Effects of incorporating or burning straw, and of different cultivation systems, on winter wheat grown on two soil types, 1985-91

Prew, R. D., Ashby, J. E., Bacon, E. T. G., Christian, D. G., Gutteridge, R. J., Jenkyn, J. F., Powell, W. and Todd, A. D. 1995. Effects of incorporating or burning straw, and of different cultivation systems, on winter wheat grown on two soil types, 1985-91. The Journal of Agricultural Science. 124 (2), pp. 173-194. https://doi.org/10.1017/S0021859600072853

Related outputs

Migratory flight behaviour of the pollen beetle Meligethes aeneus

A - Papers appearing in refereed journals

Mauchline, A. L., Cook, S. M., Powell, W., Chapman, J. W. and Osborne, J. L. 2017. Migratory flight behaviour of the pollen beetle Meligethes aeneus. Pest Management Science. 73 (6), pp. 1076-1082. https://doi.org/10.1002/ps.4550

Field evaluation of synthetic aphid sex pheromone in enhancing suppression of aphid abundance by their natural enemies

A - Papers appearing in refereed journals

Nakashima, Y., Ida, T. Y., Powell, W., Pickett, J. A., Birkett, M. A., Taki, H. and Takabayashi, J. 2016. Field evaluation of synthetic aphid sex pheromone in enhancing suppression of aphid abundance by their natural enemies. BioControl. 61 (5), pp. 485-496. https://doi.org/10.1007/s10526-016-9734-3

Flight of Meligethes aeneus at a range of altitudes

C1 - Edited contributions to conferences/learned societies

Mauchline, A. L., Cook, S. M., Powell, W., Chapman, J. W. and Osborne, J. L. 2014. Flight of Meligethes aeneus at a range of altitudes. IOBC.

Effects of break crops, and of wheat volunteers growing in break crops or in set-aside or conservation covers, all following crops of winter wheat, on the development of take-all (Gaeumannomyces graminis var. tritici) in succeeding crops of winter wheat

A - Papers appearing in refereed journals

Jenkyn, J. F., Gutteridge, R. J. and White, Robin P. 2014. Effects of break crops, and of wheat volunteers growing in break crops or in set-aside or conservation covers, all following crops of winter wheat, on the development of take-all (Gaeumannomyces graminis var. tritici) in succeeding crops of winter wheat. Annals of Applied Biology - AAB. 165 (3), pp. 340-363. https://doi.org/10.1111/aab.12139

Identifying variation in resistance to the take-all fungus, Gaeumannomyces graminis var. tritici, between different ancestral and modern wheat species

A - Papers appearing in refereed journals

Mcmillan, V. E., Gutteridge, R. J. and Hammond-Kosack, K. E. 2014. Identifying variation in resistance to the take-all fungus, Gaeumannomyces graminis var. tritici, between different ancestral and modern wheat species. BMC Plant Biology. 14, p. 212. https://doi.org/10.1186/s12870-014-0212-8

Effects of non-host plant odour on Melingethes aeneus during immigration to oilseed rape

A - Papers appearing in refereed journals

Mauchline, A. L., Cook, S. M., Powell, W. and Osborne, J. L. 2013. Effects of non-host plant odour on Melingethes aeneus during immigration to oilseed rape. Entomologia Experimentalis et Applicata. 146 (3), pp. 313-320. https://doi.org/10.1111/eea.12030

Odour-mediated orientation behaviour of the lily beetle Lilioceris lilii

A - Papers appearing in refereed journals

Salisbury, A., Cook, S. M., Powell, W. and Hardie, J. 2012. Odour-mediated orientation behaviour of the lily beetle Lilioceris lilii. Physiological Entomology. 37 (1), pp. 97-102. https://doi.org/10.1111/j.1365-3032.2011.00823.x

Two-step learning involved in acquiring olfactory preferences for plant volatiles by parasitic wasps

A - Papers appearing in refereed journals

Takemoto, H., Powell, W., Pickett, J. A., Kainoh, Y. and Takabayashi, J. 2012. Two-step learning involved in acquiring olfactory preferences for plant volatiles by parasitic wasps. Animal Behaviour. 83, pp. 1491-1496. https://doi.org/10.1016/j.anbehav.2012.03.023

Confidential report to Syngenta, January 2012

D1 - Technical reports: non-confidential

Mcmillan, V. E., Hammond-Kosack, K. E. and Gutteridge, R. J. 2012. Confidential report to Syngenta, January 2012.

Effects of take-all (Gaeumannomyces graminis var. tritici) on crop N uptake and residual mineral N in soil at harvest of winter wheat

A - Papers appearing in refereed journals

Macdonald, A. J. and Gutteridge, R. J. 2012. Effects of take-all (Gaeumannomyces graminis var. tritici) on crop N uptake and residual mineral N in soil at harvest of winter wheat. Plant and Soil. 350, pp. 253-260. https://doi.org/10.1007/s11104-011-0900-1

Fitness trade-off in peach-potato aphids (Myzus persicae) between insecticide resistance and vulnerability to parasitoid attack at several spatial scales

A - Papers appearing in refereed journals

Foster, S. P., Denholm, I., Poppy, G. M., Thompson, R. and Powell, W. 2011. Fitness trade-off in peach-potato aphids (Myzus persicae) between insecticide resistance and vulnerability to parasitoid attack at several spatial scales. Bulletin of Entomological Research. 101 (6), pp. 659-666. https://doi.org/10.1017/S0007485310000623

A new approach to reduce the risk of Take-all disease

G - Articles in popular magazines and other technical publications

Mcmillan, V. E., Hammond-Kosack, K. E., Kanyuka, K. and Gutteridge, R. J. 2011. A new approach to reduce the risk of Take-all disease. RRA Newsletter. April, pp. 1-2.

Evidence that wheat cultivars differ in their ability to build up inoculum of the take-all fungus, Gaeumannomyces graminis var. tritici, under a first wheat crop

A - Papers appearing in refereed journals

Mcmillan, V. E., Hammond-Kosack, K. E. and Gutteridge, R. J. 2011. Evidence that wheat cultivars differ in their ability to build up inoculum of the take-all fungus, Gaeumannomyces graminis var. tritici, under a first wheat crop. Plant Pathology. 60 (2), pp. 200-206. https://doi.org/10.1111/j.1365-3059.2010.02375.x

Confidential report to Syngenta

D2 - Technical reports: confidential

Gutteridge, R. J. 2011. Confidential report to Syngenta.

Preparations for war; a postscript to Harold Gough’s reminiscences of Rothamsted

G - Articles in popular magazines and other technical publications

Jenkyn, J. F. 2010. Preparations for war; a postscript to Harold Gough’s reminiscences of Rothamsted. AAB News. 71 (Autumn/Winter), p. 5.

Nitrogen requirements of biomass crops

C1 - Edited contributions to conferences/learned societies

Riche, A. B., Goulding, K. W. T., Yates, N. E., Shield, I. F. and Christian, D. G. 2010. Nitrogen requirements of biomass crops. Water and Nitrogen Use Eficiency in Plants and Crops. Aspects of Applied Biology 105 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 83-88

Effects of crop debris and cultivations on the development of eyespot of wheat caused by Oculimacula spp.

A - Papers appearing in refereed journals

Jenkyn, J. F., Gutteridge, R. J., Bateman, G. L. and Jalaluddin, M. 2010. Effects of crop debris and cultivations on the development of eyespot of wheat caused by Oculimacula spp. Annals of Applied Biology - AAB. 156 (3), pp. 387-399. https://doi.org/10.1111/j.1744-7348.2010.00396.x

Susceptibility of six Lilium to damage by the lily beetle, Lilioceris lilii (Coleoptera: Chrysomelidae)

A - Papers appearing in refereed journals

Salisbury, A., Clark, S. J., Powell, W. and Hardie, J. 2010. Susceptibility of six Lilium to damage by the lily beetle, Lilioceris lilii (Coleoptera: Chrysomelidae). Annals of Applied Biology - AAB. 156 (1), pp. 103-110. https://doi.org/10.1111/j.1744-7348.2009.00368.x

Use of QPCR techniques to predict light leaf spot resistance of oilseed rape varieties

C2 - Non-edited contributions to conferences

Booth, E. J., West, J. S., Fitt, B. D. L., Rodgers, S. L., White, Robin P., Todd, A. D., Latunde-Dada, A. O., Thomas, J. E. and Gladders, P. 2010. Use of QPCR techniques to predict light leaf spot resistance of oilseed rape varieties. Proceedings Dundee Conference on Crop Protection in Northern Britain, Dundee, 23-24 February 2010 . pp. 87-90

Long-term Fertilizer Experiment Network in China: crop yields and soil nutrient trends

A - Papers appearing in refereed journals

Zhao, B-Q., Li, X-Y., Li, X-P., Shi, X-J., Huang, S-M., Wang, B-R., Zhu, P., Yang, X-Y., Liu, H., Chen, Y., Poulton, P. R., Powlson, D. S., Todd, A. D. and Payne, R. W. 2010. Long-term Fertilizer Experiment Network in China: crop yields and soil nutrient trends. Agronomy Journal. 102, pp. 216-230. https://doi.org/10.2134/agronj2009.0182

Learning is involved in the response of parasitic wasps Aphidius ervi (Haliday) (Hymenoptera: Braconidae) to volatiles from a broad bean plant, Vicia faba (Fabaceae), infested by aphids Acyrthosiphon pisum (Harris) (Homoptera: Aphididae)

A - Papers appearing in refereed journals

Takemoto, H., Powell, W., Pickett, J. A., Kainoh, Y. and Takabayashi, J. 2009. Learning is involved in the response of parasitic wasps Aphidius ervi (Haliday) (Hymenoptera: Braconidae) to volatiles from a broad bean plant, Vicia faba (Fabaceae), infested by aphids Acyrthosiphon pisum (Harris) (Homoptera: Aphididae). Applied Entomology and Zoology. 44, pp. 23-28. https://doi.org/10.1303/aez.2009.23

Confidential report to Bayer CropScience: spring-applied fungicides and take-all: field trial 2008/09

D1 - Technical reports: non-confidential

Gutteridge, R. J. 2009. Confidential report to Bayer CropScience: spring-applied fungicides and take-all: field trial 2008/09.

Confidential report to Syngenta: spring-applied fungicides and take-all field trial 2008/09

D1 - Technical reports: non-confidential

Gutteridge, R. J. 2009. Confidential report to Syngenta: spring-applied fungicides and take-all field trial 2008/09.

Estimation of ramet production from Miscanthus x giganteus rhizome of different ages

A - Papers appearing in refereed journals

Christian, D. G., Yates, N. E. and Riche, A. B. 2009. Estimation of ramet production from Miscanthus x giganteus rhizome of different ages. Industrial Crops and Products. 30, pp. 176-178. https://doi.org/10.1016/j.indcrop.2009.02.007

Performance of 15 different Miscanthus species and genotypes over 11 years

C1 - Edited contributions to conferences/learned societies

Riche, A. B., Yates, N. E. and Christian, D. G. 2008. Performance of 15 different Miscanthus species and genotypes over 11 years. Biomass and Energy Crops III. Aspects of Applied Biology 90 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 207-212

Components of resistance to diseases in winter oilseed rape cultivars: CORDISOR (HGCA Project Report No. 446)

D1 - Technical reports: non-confidential

West, J. S., Fitt, B. D. L., Rogers, S. L., White, Robin P., Todd, A. D., Latunde-Dada, A. O., Gladders, P., Thomas, J., Booth, E., Jennaway, R., Clarke, M., Padbury, N., Bowman, J., Nightingale, M., Werner, P. and Jellis, G. 2008. Components of resistance to diseases in winter oilseed rape cultivars: CORDISOR (HGCA Project Report No. 446). Home Grown Cereals Authority (HGCA) London.

Electrophysiological and behavioural responses of the pollen beetle, Meligethes aeneus , to volatiles from a non-host plant, lavender, Lavandula angustifolia (Lamiaceae)

A - Papers appearing in refereed journals

Mauchline, A. L., Birkett, M. A., Woodcock, C. M., Pickett, J. A., Osborne, J. L. and Powell, W. 2008. Electrophysiological and behavioural responses of the pollen beetle, Meligethes aeneus , to volatiles from a non-host plant, lavender, Lavandula angustifolia (Lamiaceae). Arthropod-Plant Interactions. 2, pp. 109-115. https://doi.org/10.1007/s11829-008-9038-3

Aggregation of parasitism risk in an aphid-parasitoid system: effects of plant patch size and aphid density

A - Papers appearing in refereed journals

Pareja, M., Brown, V. K. and Powell, W. 2008. Aggregation of parasitism risk in an aphid-parasitoid system: effects of plant patch size and aphid density. Basic and Applied Ecology. 9, pp. 701-708. https://doi.org/10.1016/j.baae.2007.10.008

Endoparasitism in cereal aphids: molecular analysis of a whole parasitoid community

A - Papers appearing in refereed journals

Traugott, M., Bell, J. R., Broad, G. R., Powell, W., Van Veen, F. J. F., Vollhardt, I. M. G. and Symondson, W. O. C. 2008. Endoparasitism in cereal aphids: molecular analysis of a whole parasitoid community. Molecular Ecology. 17 (17), pp. 3928-3938. https://doi.org/10.1111/j.1365-294X.2008.03878.x

Triticum monococcum, an ancient relative of wheat, is a rich source of resistance to septoria tritici blotch disease

G - Articles in popular magazines and other technical publications

Jing, H-C., Gutteridge, R. J. and Hammond-Kosack, K. E. 2008. Triticum monococcum, an ancient relative of wheat, is a rich source of resistance to septoria tritici blotch disease. RRA Newsletter. 27, pp. 3-4.

Phenotypic and genetic analysis of the Triticum monococcum-Mycosphaerella graminicola interaction

A - Papers appearing in refereed journals

Jing, H-C., Lovell, D. J., Gutteridge, R. J., Jenk, D., Kornyukhin, D., Mitrofanova, O., Kema, G. H. J. and Hammond-Kosack, K. E. 2008. Phenotypic and genetic analysis of the Triticum monococcum-Mycosphaerella graminicola interaction. New Phytologist. 179, pp. 1121-1132. https://doi.org/10.1111/j.1469-8137.2008.02526.x

Take-all and the Wheat Genetic Improvement Network (WGIN)

G - Articles in popular magazines and other technical publications

Gutteridge, R. J. and Hammond-Kosack, K. E. 2008. Take-all and the Wheat Genetic Improvement Network (WGIN). RRA Newsletter. 27, pp. 1-2.

Assessment of the A.E. Watkins wheat collection in 2008 for resistance to foliar, stem base and root diseases. Objectives 2 and 5

G - Articles in popular magazines and other technical publications

Gutteridge, R. J. and Hammond-Kosack, K. E. 2008. Assessment of the A.E. Watkins wheat collection in 2008 for resistance to foliar, stem base and root diseases. Objectives 2 and 5. WGIN Stakeholders' Newsletter. October, pp. 1-4.

Growth, yield and mineral content of Miscanthus x giganteus grown as a biofuel for 14 successive harvests

A - Papers appearing in refereed journals

Christian, D. G., Riche, A. B. and Yates, N. E. 2008. Growth, yield and mineral content of Miscanthus x giganteus grown as a biofuel for 14 successive harvests. Industrial Crops and Products. 28, pp. 320-327. https://doi.org/10.1016/j.indcrop.2008.02.009

Take-all: predicting the risk of damage

G - Articles in popular magazines and other technical publications

Gutteridge, R. J. 2008. Take-all: predicting the risk of damage. TAG Bulletin. 16, pp. 6-7.

Effects of fluquinconazole and silthiofam, applied as seed treatments to single or consecutive crops of wheat, on take-all epidemic development and grain yields

A - Papers appearing in refereed journals

Bateman, G. L., Gutteridge, R. J., Jenkyn, J. F. and Self, M. M. 2008. Effects of fluquinconazole and silthiofam, applied as seed treatments to single or consecutive crops of wheat, on take-all epidemic development and grain yields. Annals of Applied Biology - AAB. 152 (2), pp. 243-254. https://doi.org/10.1111/j.1744-7348.2007.00204.x

Quantifying and comparing bumblebee nest densities in gardens and countryside habitats

A - Papers appearing in refereed journals

Osborne, J. L., Martin, A. P., Shortall, C. R., Todd, A. D., Goulson, D., Knight, M. E., Hale, R. J. and Sanderson, R. A. 2008. Quantifying and comparing bumblebee nest densities in gardens and countryside habitats. Journal of Applied Ecology. 45 (3), pp. 784-792. https://doi.org/10.1111/j.1365-2664.2007.01359.x

Effect of the presence of a nonhost herbivore on the response of the aphid parasitoid Diaeretiella rapae to host-infested cabbage plants

A - Papers appearing in refereed journals

Agbogba, B. C. and Powell, W. 2007. Effect of the presence of a nonhost herbivore on the response of the aphid parasitoid Diaeretiella rapae to host-infested cabbage plants. Journal of Chemical Ecology. 33, pp. 2229-2235. https://doi.org/10.1007/s10886-007-9379-x

Foraging behaviour of the parasitoid Lysiphlebus testaceipes (Hymenoptera: Braconidae) in response to plant volatiles, with reference to biocontrol of aphids in peri-urban vegetable production systems

A - Papers appearing in refereed journals

Lopez Perez, M., Fernandez Argudin, M. and Powell, W. 2007. Foraging behaviour of the parasitoid Lysiphlebus testaceipes (Hymenoptera: Braconidae) in response to plant volatiles, with reference to biocontrol of aphids in peri-urban vegetable production systems. Biocontrol Science and Technology. 17, pp. 677-686. https://doi.org/10.1080/09583150701408949

Behavioural side-effects of insecticide resistance in aphids increase their vulnerability to parasitoid attack

A - Papers appearing in refereed journals

Foster, S. P., Tomiczek, M., Thompson, R., Denholm, I., Poppy, G. M., Kraaijeveld, A. R. and Powell, W. 2007. Behavioural side-effects of insecticide resistance in aphids increase their vulnerability to parasitoid attack. Animal Behaviour. 74 (3), pp. 621-632. https://doi.org/10.1016/j.anbehav.2006.12.018

Responses of Phradis parasitoids to volatiles of lavender, Lavendula angustifolia - a possible repellent for their host, Meligethes aeneus

A - Papers appearing in refereed journals

Cook, S. M., Jonsson, M., Skellern, M. P., Murray, D. A., Anderson, P. and Powell, W. 2007. Responses of Phradis parasitoids to volatiles of lavender, Lavendula angustifolia - a possible repellent for their host, Meligethes aeneus. BioControl. 52, pp. 591-598. https://doi.org/10.1007/s10526-006-9057-x

The effect [of] host plant characters on parasitism of inflorescence pests of oilseed rape

C2 - Non-edited contributions to conferences

Ferguson, A. W., Frearson, D. J. T., Mason, N. S., Todd, A. D., Clark, S. J. and Williams, I. H. 2007. The effect [of] host plant characters on parasitism of inflorescence pests of oilseed rape. Abstracts Royal Entomological Society National Meeting (Ento 07), Edinburgh, 16-18 July 2007 . pp. 18

Effects of temperature and rainfall on date of release of ascospores of Leptosphaeria maculans (phoma stem canker) from winter oilseed rape (Brassica napus) debris in the UK

A - Papers appearing in refereed journals

Huang, Y-J., Liu, Z., West, J. S., Todd, A. D., Hall, A. M. and Fitt, B. D. L. 2007. Effects of temperature and rainfall on date of release of ascospores of Leptosphaeria maculans (phoma stem canker) from winter oilseed rape (Brassica napus) debris in the UK. Annals of Applied Biology - AAB. 151 (1), pp. 99-111. https://doi.org/10.1111/j.1744-7348.2007.00157.x

Infection of stem bases and grains of winter wheat by Fusarium culmorum and F. graminearum and effects of tillage method and maize-stalk residues

A - Papers appearing in refereed journals

Bateman, G. L., Gutteridge, R. J., Gherbawy, Y., Thomsett, M. A. and Nicholson, P. 2007. Infection of stem bases and grains of winter wheat by Fusarium culmorum and F. graminearum and effects of tillage method and maize-stalk residues. Plant Pathology. 56 (4), pp. 604-615. https://doi.org/10.1111/j.1365-3059.2007.01577.x

Response of the aphid parasitoid Aphidius funebris to volatiles from undamaged and aphid-infested Centaurea nigra

A - Papers appearing in refereed journals

Pareja, M., Moraes, M. C. B., Clark, S. J., Birkett, M. A. and Powell, W. 2007. Response of the aphid parasitoid Aphidius funebris to volatiles from undamaged and aphid-infested Centaurea nigra. Journal of Chemical Ecology. 33 (April), pp. 695-710. https://doi.org/10.1007/s10886-007-9260-y

The potential of non-pathogenic Gaeumannomyces spp., occurring naturally or introduced into wheat crops or preceding crops, for controlling take-all in wheat

A - Papers appearing in refereed journals

Gutteridge, R. J., Jenkyn, J. F. and Bateman, G. L. 2007. The potential of non-pathogenic Gaeumannomyces spp., occurring naturally or introduced into wheat crops or preceding crops, for controlling take-all in wheat. Annals of Applied Biology - AAB. 150 (1), pp. 53-64. https://doi.org/10.1111/j.1744-7348.2006.00107.x

Functional biodiversity of aphid natural enemies: positive intra-guild interactions

C1 - Edited contributions to conferences/learned societies

Powell, W., Pell, J. K., Nakashima, Y., Baverstock, J. and Birkett, M. A. 2006. Functional biodiversity of aphid natural enemies: positive intra-guild interactions.

The Representative Soil Sampling Scheme of England and Wales: a statistical analysis of topsoil nutrient status and pH between 1971 and 2001

A - Papers appearing in refereed journals

Oliver, M. A., Archer, J. R., Baxter, S. J., Todd, A. D. and Skinner, R. J. 2006. The Representative Soil Sampling Scheme of England and Wales: a statistical analysis of topsoil nutrient status and pH between 1971 and 2001. Soil Use and Management. 22 (4), pp. 372-382. https://doi.org/10.1111/j.1475-2743.2006.00051.x

Chemically mediated intraguild predator avoidance by aphid parasitoids: interspecific variability in sensitivity to semiochemical trails of ladybird predators

A - Papers appearing in refereed journals

Nakashima, Y., Birkett, M. A., Pye, B. J. and Powell, W. 2006. Chemically mediated intraguild predator avoidance by aphid parasitoids: interspecific variability in sensitivity to semiochemical trails of ladybird predators. Journal of Chemical Ecology. 32, pp. 1989-1998. https://doi.org/10.1007/s10886-006-9123-y

Effects of different cultivated or weed grasses, grown as pure stands or in combination with wheat, on take-all and its suppression in subsequent wheat crops

A - Papers appearing in refereed journals

Gutteridge, R. J., Jenkyn, J. F. and Bateman, G. L. 2006. Effects of different cultivated or weed grasses, grown as pure stands or in combination with wheat, on take-all and its suppression in subsequent wheat crops. Plant Pathology. 55 (5), pp. 696-704. https://doi.org/10.1111/j.1365-3059.2006.01405.x

Grass weeds, grass covers and take-all risk

G - Articles in popular magazines and other technical publications

Gutteridge, R. J. and Bateman, G. L. 2006. Grass weeds, grass covers and take-all risk. RRA Newsletter. No. 22, p. 1.

The effect of harvest date on the yield and mineral content of Phalaris arundinacea L. (reed canary grass) genotypes screened for their potential as energy crops in southern England

A - Papers appearing in refereed journals

Christian, D. G., Yates, N. E. and Riche, A. B. 2006. The effect of harvest date on the yield and mineral content of Phalaris arundinacea L. (reed canary grass) genotypes screened for their potential as energy crops in southern England. Journal of the Science of Food and Agriculture. 86 (8), pp. 1181-1188. https://doi.org/10.1002/jsfa.2437

Visual and PCR assessment of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) cultivars

A - Papers appearing in refereed journals

Karolewski, Z., Fitt, B. D. L., Latunde-Dada, A. O., Foster, S. J., Todd, A. D., Downes, K. and Evans, N. 2006. Visual and PCR assessment of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) cultivars. Plant Pathology. 55 (3), pp. 387-400. https://doi.org/10.1111/j.1365-3059.2006.01383.x

The recovery over several seasons of 15N-labelled fertilizer applied to Miscanthus x giganteus ranging from 1 to 3 years old

A - Papers appearing in refereed journals

Christian, D. G., Poulton, P. R., Riche, A. B., Yates, N. E. and Todd, A. D. 2006. The recovery over several seasons of 15N-labelled fertilizer applied to Miscanthus x giganteus ranging from 1 to 3 years old. Biomass & Bioenergy. 30, pp. 125-133. https://doi.org/10.1016/j.biombioe.2005.11.002

Enhanced biological cycling of phosphorus increases its availability to crops in low-input sub-Saharan farming systems

A - Papers appearing in refereed journals

Ayaga, G., Todd, A. D. and Brookes, P. C. 2006. Enhanced biological cycling of phosphorus increases its availability to crops in low-input sub-Saharan farming systems. Soil Biology and Biochemistry. 38, pp. 81-90. https://doi.org/10.1016/j.soilbio.2005.04.019

Avoidance of intraguild predators by parasitoids: chemical mechanisms, behaviour and field evaluation

C1 - Edited contributions to conferences/learned societies

Nakashima, Y., Birkett, M. A. and Powell, W. 2005. Avoidance of intraguild predators by parasitoids: chemical mechanisms, behaviour and field evaluation. Proceedings International Symposium on Biological Control of Aphids and Coccids, Tsuruoka, Japan, 25-29 September 2005 .

Methods for studying population structure, including sensitivity to the fungicide silthiofam, of the cereal take-all fungus, Gaeumannomyces graminis var. tritici

A - Papers appearing in refereed journals

Freeman, J., Ward, E., Gutteridge, R. J. and Bateman, G. L. 2005. Methods for studying population structure, including sensitivity to the fungicide silthiofam, of the cereal take-all fungus, Gaeumannomyces graminis var. tritici. Plant Pathology. 54 (5), pp. 686-698. https://doi.org/10.1111/j.1365-3059.2005.01252.x

Fungal-plant interactions that influence the suppression of take-all disease in wheat-field soil

C2 - Non-edited contributions to conferences

Gutteridge, R. J. and Bateman, G. L. 2005. Fungal-plant interactions that influence the suppression of take-all disease in wheat-field soil. Abstracts Association of Independent Crop Consultants' Meeting, Harpenden, 20 September 2005 .

The behavioural responses of the pollen beetle (Meligethes aeneus )to floral colours and odours: designing a 'push-pull' pest management strategy

C2 - Non-edited contributions to conferences

Cook, S. M., Rasmussen, H. B., Skellern, M. P., Watts, N. P., Williams, I. H. and Powell, W. 2005. The behavioural responses of the pollen beetle (Meligethes aeneus )to floral colours and odours: designing a 'push-pull' pest management strategy. Abstracts Entomology 2005, Brighton, 12-14 September 2005 . pp. 27

Survival and multiplication of Gaeumannomyces graminis var. tritici (the wheat take-all fungus) and related fungi on different wild and cultivated grasses

A - Papers appearing in refereed journals

Gutteridge, R. J., Zhang, J-P., Jenkyn, J. F. and Bateman, G. L. 2005. Survival and multiplication of Gaeumannomyces graminis var. tritici (the wheat take-all fungus) and related fungi on different wild and cultivated grasses. Applied Soil Ecology. 29, pp. 143-154.

Pot experiments to test seed treatment fungicides against take-all disease of wheat. Confidential report to Syngenta

D1 - Technical reports: non-confidential

Bateman, G. L. and Gutteridge, R. J. 2005. Pot experiments to test seed treatment fungicides against take-all disease of wheat. Confidential report to Syngenta.

Development of Oculimacula yallundae and O. acuformis (eyespot) on leaf sheaths of winter wheat in the UK in relation to thermal time

A - Papers appearing in refereed journals

Wan, A. M., Bock, C. H., Fitt, B. D. L., Harvey, J. L. and Jenkyn, J. F. 2005. Development of Oculimacula yallundae and O. acuformis (eyespot) on leaf sheaths of winter wheat in the UK in relation to thermal time. Plant Pathology. 54 (2), pp. 144-155. https://doi.org/10.1111/j.1365-3059.2005.01165.x

The effects of non-host plant essential oil volatiles on the behaviour of the pollen beetle Meligethes aeneus

A - Papers appearing in refereed journals

Mauchline, A. L., Osborne, J. L., Martin, A. P., Poppy, G. M. and Powell, W. 2005. The effects of non-host plant essential oil volatiles on the behaviour of the pollen beetle Meligethes aeneus. Entomologia Experimentalis et Applicata. 114 (3), pp. 181-188. https://doi.org/10.1111/j.1570-7458.2005.00237.x

Wheat rhizosphere interactions and natural suppression of take-all disease: effects of grass weeds and wheat cultivar on inoculum and disease

C1 - Edited contributions to conferences/learned societies

Bateman, G. L., Gutteridge, R. J. and Jenkyn, J. F. 2005. Wheat rhizosphere interactions and natural suppression of take-all disease: effects of grass weeds and wheat cultivar on inoculum and disease. Roots and the Soil Environment II. Aspects of Applied Biology 73 . pp. 155-162

Insect behavioural ecology and other factors affecting the control efficacy of agro-ecosystem diversification strategies

A - Papers appearing in refereed journals

Potting, R. P. J., Perry, J. N. and Powell, W. 2005. Insect behavioural ecology and other factors affecting the control efficacy of agro-ecosystem diversification strategies. Ecological Modelling. 182, pp. 199-216.

Reduced response of insecticide-resistant aphids and attraction of parasitoids to aphid alarm pheromone; a potential fitness trade-off

A - Papers appearing in refereed journals

Foster, S. P., Denholm, I., Thompson, R., Poppy, G. M. and Powell, W. 2005. Reduced response of insecticide-resistant aphids and attraction of parasitoids to aphid alarm pheromone; a potential fitness trade-off. Bulletin of Entomological Research. 95 (1), pp. 37-46. https://doi.org/10.1079/BER2004336

Establishing Miscanthus sinensis from seed using conventional sowing methods

A - Papers appearing in refereed journals

Christian, D. G., Yates, N. E. and Riche, A. B. 2005. Establishing Miscanthus sinensis from seed using conventional sowing methods. Industrial Crops and Products. 21, pp. 109-111. https://doi.org/10.1016/j.indcrop.2004.01.004

Parasitoid impact on aphid populations in UK cereal crops and attempts at manipulation

C2 - Non-edited contributions to conferences

Powell, W. 2004. Parasitoid impact on aphid populations in UK cereal crops and attempts at manipulation. Abstracts Strength in Diversity: 22nd International Congress of Entomology, Brisbane, 15-21 August 2004 .

Take-all and grain yields in sequences of winter wheat crops testing fluquinconazole seed treatment applied in different combinations of years

A - Papers appearing in refereed journals

Bateman, G. L., Gutteridge, R. J. and Jenkyn, J. F. 2004. Take-all and grain yields in sequences of winter wheat crops testing fluquinconazole seed treatment applied in different combinations of years. Annals of Applied Biology - AAB. 145 (3), pp. 317-330. https://doi.org/10.1111/j.1744-7348.2004.tb00389.x

The hydrological impacts of energy crop production in the UK. (Report by the Centre for Ecology and Hydrology for the Department of Trade and Industry B/CR/000783/00/00)

D1 - Technical reports: non-confidential

Finch, J. W., Hall, R. L., Rosier, P. T. W., Clark, D. B., Stratford, C., Davies, H. N., Marsh, T. J., Roberts, J. M., Riche, A. B. and Christian, D. G. 2004. The hydrological impacts of energy crop production in the UK. (Report by the Centre for Ecology and Hydrology for the Department of Trade and Industry B/CR/000783/00/00).

Pushing insects around: the use of 'push-pull' strategies in integrated pest management

C2 - Non-edited contributions to conferences

Cook, S. M., Powell, W., Smart, L. E., Watts, N. P. and Williams, I. H. 2004. Pushing insects around: the use of 'push-pull' strategies in integrated pest management. Abstracts Strength in Diversity: 22nd International Congress of Entomology, Brisbane, 15-21 August 2004 .

Comparative epidemiology of Pyrenopeziza brassicae (light leaf spot) ascospores and conidia from Polish and UK populations

A - Papers appearing in refereed journals

Karolewski, Z., Evans, N., Fitt, B. D. L., Baierl, A., Todd, A. D. and Foster, S. J. 2004. Comparative epidemiology of Pyrenopeziza brassicae (light leaf spot) ascospores and conidia from Polish and UK populations. Plant Pathology. 53 (1), pp. 29-37. https://doi.org/10.1046/j.1365-3059.2003.00952.x

Pleiotropic effects of insecticide resistance genes in an aphid pest on vulnerability to attack by parasitoid wasps

C2 - Non-edited contributions to conferences

Foster, S. P., Denholm, I. and Powell, W. 2004. Pleiotropic effects of insecticide resistance genes in an aphid pest on vulnerability to attack by parasitoid wasps. Abstracts Strength in Diversity: 22nd International Congress of Entomology, Brisbane, 15-21 August 2004 .

The role of semiochemicals in the avoidance of the seven-spot ladybird, Coccinella septempunctata , by the aphid parasitoid, Aphidius ervi

A - Papers appearing in refereed journals

Nakashima, Y., Birkett, M. A., Pye, B. J., Pickett, J. A. and Powell, W. 2004. The role of semiochemicals in the avoidance of the seven-spot ladybird, Coccinella septempunctata , by the aphid parasitoid, Aphidius ervi. Journal of Chemical Ecology. 30, pp. 1103-1116.

Genetic manipulation of natural enemies: can we improve biological control by manipulating the parasitoid and/or the plant?

B - Book chapters etc edited externally

Poppy, G. M. and Powell, W. 2004. Genetic manipulation of natural enemies: can we improve biological control by manipulating the parasitoid and/or the plant? in: Mateille, T., Ehler, L. E. and Sforza, R. (ed.) Genetics, evolution and biological control CABI International, Wallingford, Oxon (CABI). pp. 219-233

Feeding responses of carabid beetles to dimethoate- contaminated prey

A - Papers appearing in refereed journals

Mauchline, A. L., Osborne, J. L. and Powell, W. 2004. Feeding responses of carabid beetles to dimethoate- contaminated prey. Agricultural and Forest Entomology. 6 (2), pp. 99-104. https://doi.org/10.1111/j.1461-9563.2004.00208.x

Effects of cultivation method and crop debris on wheat stem-base diseases and take-all

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F., Gutteridge, R. J. and Bateman, G. L. 2004. Effects of cultivation method and crop debris on wheat stem-base diseases and take-all. Proceedings HGCA Conference on Managing Soil and Roots for Profitable Production, Oxford, 10-11 March 2004 . Home Grown Cereals Authority (HGCA) London. pp. 15.1-15.11

Interactions between cropping systems and soil-borne cereal pathogens (Final project report for DEFRA project CE0525)

D1 - Technical reports: non-confidential

Jenkyn, J. F. 2003. Interactions between cropping systems and soil-borne cereal pathogens (Final project report for DEFRA project CE0525).

Using field margin diversification in agri-environment schemes to enhance aphid natural enemies

C1 - Edited contributions to conferences/learned societies

Powell, W., Walters, K., A'hara, S., Ashby, J., Stevenson, H. and Northing, P. 2003. Using field margin diversification in agri-environment schemes to enhance aphid natural enemies.

Determination of plant foraging preferences in the aphid parasitoid Aphidius colemani : emergence conditioning, learning and memory

C2 - Non-edited contributions to conferences

Powell, W., Storeck, A., Poppy, G. M. and Van Emden, H. 2003. Determination of plant foraging preferences in the aphid parasitoid Aphidius colemani : emergence conditioning, learning and memory. Oxford Univ Press Inc.

Avoidance of intraguild predators by parasitoids: chemically mediated behavioural mechanisms and field evaluation

C2 - Non-edited contributions to conferences

Nakashima, Y., Birkett, M. A. and Powell, W. 2003. Avoidance of intraguild predators by parasitoids: chemically mediated behavioural mechanisms and field evaluation. Oxford University Press (OUP) Oxford. https://doi.org/10.1093/jis/3.1.33

Effects of sowing date and volunteers on the infectivity of soil infested with Gaeumannomyces graminis var. tritici and on take-all disease in successive crops of winter wheat

A - Papers appearing in refereed journals

Gutteridge, R. J. and Hornby, D. 2003. Effects of sowing date and volunteers on the infectivity of soil infested with Gaeumannomyces graminis var. tritici and on take-all disease in successive crops of winter wheat. Annals of Applied Biology - AAB. 143 (3), pp. 275-282. https://doi.org/10.1111/j.1744-7348.2003.tb00295.x

Optimising the benefits of fluquinconazole seed treatment in sequences of winter wheat crops

C1 - Edited contributions to conferences/learned societies

Bateman, G. L., Jenkyn, J. F. and Gutteridge, R. J. 2003. Optimising the benefits of fluquinconazole seed treatment in sequences of winter wheat crops. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 10-12 November 2003 . pp. 979-984

Environment and harvest time affects the combustion qualities of Miscanthus genotypes

A - Papers appearing in refereed journals

Lewandowski, I., Clifton-Brown, J. C., Andersson, B., Basch, G., Christian, D. G., Jorgensen, U., Jones, M. B., Riche, A. B., Schwarz, K. U., Tayebi, K. and Teixeira, F. 2003. Environment and harvest time affects the combustion qualities of Miscanthus genotypes. Agronomy Journal. 95, pp. 1274-1280.

Strategies for fungicidal control of take-all. (H-GCA Project Report No. 309)

D1 - Technical reports: non-confidential

Bateman, G. L., Freeman, J., Gutteridge, R. J., Jenkyn, J. F. and Ward, E. 2003. Strategies for fungicidal control of take-all. (H-GCA Project Report No. 309). Home Grown Cereals Authority (HGCA) London.

Development of eyespot on winter wheat in the UK II: infection and lesion development on stems in relation to thermal time

C2 - Non-edited contributions to conferences

Bock, C. H., Wan, A., Fitt, B. D. L., Jenkyn, J. F., Harvey, J. L. and Goulds, A. 2003. Development of eyespot on winter wheat in the UK II: infection and lesion development on stems in relation to thermal time.

Development of eyespot on winter wheat in the UK I: penetration and infection of leaf sheaths in relation to thermal time

C2 - Non-edited contributions to conferences

Wan, A., Bock, C. H., Fitt, B. D. L., Jenkyn, J. F., Harvey, J. L. and Goulds, A. 2003. Development of eyespot on winter wheat in the UK I: penetration and infection of leaf sheaths in relation to thermal time.

Variation in the effects of take-all disease on grain yield and quality of winter cereals in field experiments

A - Papers appearing in refereed journals

Gutteridge, R. J., Bateman, G. L. and Todd, A. D. 2003. Variation in the effects of take-all disease on grain yield and quality of winter cereals in field experiments. Pest Management Science. 59 (2), pp. 215-224. https://doi.org/10.1002/ps.574

Manipulation of parasitoids for aphid pest management: progress and prospects

A - Papers appearing in refereed journals

Powell, W. and Pickett, J. A. 2003. Manipulation of parasitoids for aphid pest management: progress and prospects. Pest Management Science. 59 (2), pp. 149-155. https://doi.org/10.1002/ps.550

The yield and composition of switchgrass and coastal panic grass grown as a biofuel in Southern England

A - Papers appearing in refereed journals

Christian, D. G., Riche, A. B. and Yates, N. E. 2002. The yield and composition of switchgrass and coastal panic grass grown as a biofuel in Southern England. Bioresource Technology. 83 (2), pp. 115-124. https://doi.org/10.1016/S0960-8524(01)00201-2

Interactions between cropping systems and soil-borne cereal pathogens (Project CE0525)(Scientific report for DEFRA Review of Cereal and Oilseed Disease Epidemiology)

D1 - Technical reports: non-confidential

Bateman, G. L. and Jenkyn, J. F. 2002. Interactions between cropping systems and soil-borne cereal pathogens (Project CE0525)(Scientific report for DEFRA Review of Cereal and Oilseed Disease Epidemiology).

Interactions between cropping systems and soil-borne cereal pathogens (Annual/interim report for DEFRA project CE0525 2001-2002)

D1 - Technical reports: non-confidential

Jenkyn, J. F. 2002. Interactions between cropping systems and soil-borne cereal pathogens (Annual/interim report for DEFRA project CE0525 2001-2002).

GenStat release 6.1 reference manual. Part 2. Directives

E - Books edited/written by staff member, alone/with others

Payne, R. W., Baird, D. B., Cherry, M., Gilmour, A. R., Harding, S. A., Lane, P. W., Morgan, G. W., Murray, D. A., Soutar, D. M., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 2002. GenStat release 6.1 reference manual. Part 2. Directives. Hemel Hempstead VSN International.

GenStat release 6.1 reference manual. Part 1. Summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Baird, D. B., Cherry, M., Gilmour, A. R., Harding, S. A., Lane, P. W., Morgan, G. W., Murray, D. A., Soutar, D. M., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 2002. GenStat release 6.1 reference manual. Part 1. Summary. Hemel Hempstead VSN International.

Effects of azoxystrobin on wheat take-all (H-GCA Project Report 285)

D1 - Technical reports: non-confidential

Jenkyn, J. F. and Gutteridge, R. J. 2002. Effects of azoxystrobin on wheat take-all (H-GCA Project Report 285). Home Grown Cereals Authority (HGCA) London.

Plant-to-plant communication mediating in-flight orientation of Aphidius ervi

A - Papers appearing in refereed journals

Guerrieri, E., Poppy, G. M., Powell, W., Rao, R. and Pennacchio, F. 2002. Plant-to-plant communication mediating in-flight orientation of Aphidius ervi. Journal of Chemical Ecology. 28, pp. 1703-1715.

Possibilities and constraints of agro-ecosystem diversification as a pest management strategy: a simulation approach

C1 - Edited contributions to conferences/learned societies

Potting, R. P. J., Perry, J. N. and Powell, W. 2002. Possibilities and constraints of agro-ecosystem diversification as a pest management strategy: a simulation approach. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 91-96

The effect of nitrogen supply and virus yellows infection on the growth, yield and processing quality of sugarbeet (Beta vulgaris)

A - Papers appearing in refereed journals

Jaggard, K. W., Allison, M. F., Clark, C. J. A., Todd, A. D. and Smith, H. G. 2002. The effect of nitrogen supply and virus yellows infection on the growth, yield and processing quality of sugarbeet (Beta vulgaris). The Journal of Agricultural Science. 139, pp. 129-138. https://doi.org/10.1017/S002185960200254X

Some problems in the design and analysis of field experiments subject to interplot interference

A - Papers appearing in refereed journals

Dyke, G. V., Todd, A. D. and Jenkyn, J. F. 2002. Some problems in the design and analysis of field experiments subject to interplot interference. The Journal of Agricultural Science. 139 (3), pp. 295-305. https://doi.org/10.1017/S0021859602002630

Effects of temperature and incubation time on germination of ascospores of Leptosphaeria maculans and Leptosphaeria biglobosa in vitro

C1 - Edited contributions to conferences/learned societies

Huang, Y-J., Fitt, B. D. L., Toscano-Underwood, C., Todd, A. D., West, J. S., Hall, A. and Jedryczka, M. 2002. Effects of temperature and incubation time on germination of ascospores of Leptosphaeria maculans and Leptosphaeria biglobosa in vitro.

Sub-lethal effects of the insecticides pirimicarb and dimethoate on the aphid parasitoid Diaeretiella rapae (Hymenoptera: Braconidae) when attacking and developing in insecticide-resistant hosts

A - Papers appearing in refereed journals

Umoru, P. A. and Powell, W. 2002. Sub-lethal effects of the insecticides pirimicarb and dimethoate on the aphid parasitoid Diaeretiella rapae (Hymenoptera: Braconidae) when attacking and developing in insecticide-resistant hosts. Biocontrol Science and Technology. 12, pp. 605-614.

Factors affecting the pathogenicity of Verticillium dahliae to spring linseed

C1 - Edited contributions to conferences/learned societies

Gkilpathi, D., Fitt, B. D. L., Ward, E. and Todd, A. D. 2002. Factors affecting the pathogenicity of Verticillium dahliae to spring linseed.

Parasitoid interactions between crop and margin habitat

C2 - Non-edited contributions to conferences

Powell, W. 2002. Parasitoid interactions between crop and margin habitat. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 61

Sporulation of Pyrenopeziza brassicae (light leaf spot) on oilseed rape (Brassica napus ) leaves inoculated with ascospores or conidia at different temperatures and wetness durations

A - Papers appearing in refereed journals

Karolewski, Z., Evans, N., Fitt, B. D. L., Todd, A. D. and Baierl, A. 2002. Sporulation of Pyrenopeziza brassicae (light leaf spot) on oilseed rape (Brassica napus ) leaves inoculated with ascospores or conidia at different temperatures and wetness durations. Plant Pathology. 51 (5), pp. 654-665. https://doi.org/10.1046/j.1365-3059.2002.00746.x

Phosphate losses through field drains in a heavy cultivated soil

C2 - Non-edited contributions to conferences

Addiscott, T. M., Brockie, D., Catt, J. A., Christian, D. G., Harris, G. L., Howse, K. R., Mirza, N. A. and Pepper, T. J. 2002. Phosphate losses through field drains in a heavy cultivated soil. Proceedings Workshop on Colloids and Colloid-facilitated Transport of Contaminants in Soils and Sediments, Tjele, Denmark, 19-20 September 2002. DIAS Report on Plant Production No. 80 . pp. 213-214

Relationship between brown foot rot and DNA of Microdochium nivale , determined by quantitative PCR, in stem bases of winter wheat

A - Papers appearing in refereed journals

Turner, A. S., Nicholson, P., Edwards, S. G., Bateman, G. L., Morgan, L. W., Todd, A. D., Parry, D. W., Marshall, J. and Nuttall, M. 2002. Relationship between brown foot rot and DNA of Microdochium nivale , determined by quantitative PCR, in stem bases of winter wheat. Plant Pathology. 51 (4), pp. 464-471. https://doi.org/10.1046/j.1365-3059.2002.00724.x

Identification of non-host plant volatiles repellent to pollen beetles

C2 - Non-edited contributions to conferences

Stevenson, A. L., Birkett, M. A., Woodcock, C. M., Pickett, J. A., Osborne, J. L. and Powell, W. 2002. Identification of non-host plant volatiles repellent to pollen beetles. Abstracts 19th Annual Meeting of the International Society of Chemical Ecology, Hamburg, 3-8 August 2002 .

Changes in populations of the eyespot fungi Tapesia yallundae and T. acuformis under different fungicide regimes in successive crops of winter wheat, 1984-2000

A - Papers appearing in refereed journals

Bierman, S. M., Fitt, B. D. L., Van Den Bosch, F., Bateman, G. L., Jenkyn, J. F. and Welham, S. J. 2002. Changes in populations of the eyespot fungi Tapesia yallundae and T. acuformis under different fungicide regimes in successive crops of winter wheat, 1984-2000. Plant Pathology. 51 (2), pp. 191-201. https://doi.org/10.1046/j.1365-3059.2002.00673.x

The yield, composition and production costs for seven varieties of switchgrass and one panic grass grown as a biofuel

A - Papers appearing in refereed journals

Christian, D. G., Riche, A. B. and Yates, N. E. 2001. The yield, composition and production costs for seven varieties of switchgrass and one panic grass grown as a biofuel . Aspects of Applied Biology. 65, pp. 199-204.

Laboratory and field testing of fungicides for control of ergot in wheat and rye (HGCA Project Report No. 254)

D1 - Technical reports: non-confidential

Gladders, P., Evans, V. J., Jenkyn, J. F., Lockley, K. D. and Mantle, P. G. 2001. Laboratory and field testing of fungicides for control of ergot in wheat and rye (HGCA Project Report No. 254). Home Grown Cereals Authority (HGCA) London.

The effect of delayed harvest on the yield and nutrient compostition of reed canary grass (Phalaris arundinacea )

C1 - Edited contributions to conferences/learned societies

Yates, N. E. and Christian, D. G. 2001. The effect of delayed harvest on the yield and nutrient compostition of reed canary grass (Phalaris arundinacea ). Biomass and Energy Crops II. Aspects of Applied Biology 65 . pp. 161-166

Interactions between cropping systems and soil-borne cereal pathogens (Annual/interim report for MAFF project CE0525 2000-2001)

D1 - Technical reports: non-confidential

Jenkyn, J. F. 2001. Interactions between cropping systems and soil-borne cereal pathogens (Annual/interim report for MAFF project CE0525 2000-2001).

Harvest time and quality of different Miscanthus genotypes grown at five sites between Sweden and Portugal

C1 - Edited contributions to conferences/learned societies

Lewandowski, I., Clifton-Brown, J., Jorgensen, U., Schwarz, K. U., Bonderup-Kjeldsen, J., Christian, D. G., Riche, A. B., Tayebi, K., Basch, G., Teixeira, F. and Andersson, B. 2001. Harvest time and quality of different Miscanthus genotypes grown at five sites between Sweden and Portugal. Proceedings 1st World Conference on Biomass for Energy and Industry, Seville, 5-9 June 2000 . London, James & James. pp. 286-289

Switchgrass variety choice in Europe

C1 - Edited contributions to conferences/learned societies

Elbersen, H. W., Christian, D. G., Bacher, W., Alexopoulou, E., Pignatelli, V. and Van Den Berg, D. 2001. Switchgrass variety choice in Europe. Proceedings 1st World Conference on Biomass for Energy and Industry, Seville, 5-9 June 2000 . London, James & James. pp. 202-205

Crop development and yield of different Miscanthus genotypes grown at five sites distributed between Sweden and Portugal

C1 - Edited contributions to conferences/learned societies

Clifton-Brown, J. C., Lewandowski, I., Jorgensen, U., Christian, D. G., Riche, A. B., Tayebi, K., Basch, G., Schwarz, K. U., Bonderup-Kjeldsen, J. and Andersson, B. 2001. Crop development and yield of different Miscanthus genotypes grown at five sites distributed between Sweden and Portugal. Proceedings 1st World Conference on Biomass for Energy and Industry, Seville, 5-9 June 2000 . London, James & James. pp. 210-213

Performance of 15 Miscanthus genotypes at five sites in Europe

A - Papers appearing in refereed journals

Clifton-Brown, J. C., Lewandowski, I., Andersson, B., Basch, G., Christian, D. G., Kjeldsen, J. B., Jorgensen, U., Mortensen, J. V., Riche, A. B., Schwarz, K-U., Tayebi, K. and Teixeira, F. 2001. Performance of 15 Miscanthus genotypes at five sites in Europe. Agronomy Journal. 93 (5), pp. 1013-1019. https://doi.org/10.2134/agronj2001.9351013x

First report of Rhizoctonia cerealis causing sharp eyespot in Panicum virgatum in the UK

A - Papers appearing in refereed journals

Etheridge, J. V., Davey, L. and Christian, D. G. 2001. First report of Rhizoctonia cerealis causing sharp eyespot in Panicum virgatum in the UK. Plant Pathology. 50 (6), p. 807. https://doi.org/10.1046/j.1365-3059.2001.00630.x

The yield, composition and production costs for seven varieties of switch grass and one panic grass grown as a biofuel

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Riche, A. B. and Yates, N. E. 2001. The yield, composition and production costs for seven varieties of switch grass and one panic grass grown as a biofuel. Biomass and Energy Crops II. Aspects of Applied Biology 65 . pp. 199-204

Estimates of rhizome weight of Miscanthus with time and rooting depth compared to switchgrass

A - Papers appearing in refereed journals

Riche, A. B. and Christian, D. G. 2001. Estimates of rhizome weight of Miscanthus with time and rooting depth compared to switchgrass. Aspects of Applied Biology. 65, pp. 147-152.

Rainfall interception by mature Miscanthus grass in SE England

A - Papers appearing in refereed journals

Riche, A. B. and Christian, D. G. 2001. Rainfall interception by mature Miscanthus grass in SE England. Aspects of Applied Biology. 65, pp. 143-146.

Biofuel crops - their potential contribution to decreased fossil carbon emissions and additional environmental benefits

A - Papers appearing in refereed journals

Powlson, D. S., Christian, D. G., Falloon, P. and Smith, P. 2001. Biofuel crops - their potential contribution to decreased fossil carbon emissions and additional environmental benefits. Aspects of Applied Biology. 65, pp. 289-294.

Effects of temperature on germination and hyphal growth from ascospores of A-group and B-group Leptosphaeria maculans (phoma stem canker of oilseed rape)

A - Papers appearing in refereed journals

Huang, Y-J., Toscano-Underwood, C., Fitt, B. D. L., Todd, A. D., West, J. S., Koopmann, B. and Balesdent, M-H. 2001. Effects of temperature on germination and hyphal growth from ascospores of A-group and B-group Leptosphaeria maculans (phoma stem canker of oilseed rape). Annals of Applied Biology - AAB. 139 (2), pp. 193-207. https://doi.org/10.1111/j.1744-7348.2001.tb00396.x

Evaluation of diagnostic and quantitative PCR for the identification and severity assessment of eyespot and sharp eyespot in winter wheat

A - Papers appearing in refereed journals

Turner, A. S., Nicholson, P., Edwards, S. G., Bateman, G. L., Morgan, L. W., Todd, A. D., Parry, D. W., Marshall, J. and Nuttall, M. 2001. Evaluation of diagnostic and quantitative PCR for the identification and severity assessment of eyespot and sharp eyespot in winter wheat. Plant Pathology. 50 (4), pp. 463-469. https://doi.org/10.1046/j.1365-3059.2001.00592.x

Can aphid-induced plant signals be transmitted aerially and through the rhizosphere?

A - Papers appearing in refereed journals

Chamberlain, K., Guerrieri, E., Pennacchio, F., Pettersson, J., Pickett, J. A., Poppy, G. M., Powell, W., Wadhams, L. J. and Woodcock, C. M. 2001. Can aphid-induced plant signals be transmitted aerially and through the rhizosphere? Biochemical Systematics And Ecology. 29, pp. 1063-1074.

Perennial rhizomatous grasses overview (EU internal, non-confidential report)

D1 - Technical reports: non-confidential

Lewandowski, I., Christian, D. G. and Elbersen, W. 2001. Perennial rhizomatous grasses overview (EU internal, non-confidential report).

Comparison of two field-scale approaches for the study of effects of insecticides on polyphagous predators in cereals

A - Papers appearing in refereed journals

Kennedy, P. J., Conrad, K. F., Perry, J. N., Powell, D., Aegerter, J., Todd, A. D., Walters, K. F. A. and Powell, W. 2001. Comparison of two field-scale approaches for the study of effects of insecticides on polyphagous predators in cereals. Applied Soil Ecology. 17 (3), pp. 253-266. https://doi.org/10.1016/S0929-1393(01)00142-1

Renewable energy and sustainable agriculture. Draft report of a workshop on perennial energy grasses. Brussels, Friday 20th October 2000. (EU internal, non-confidential report)

D1 - Technical reports: non-confidential

Christian, D. G. 2001. Renewable energy and sustainable agriculture. Draft report of a workshop on perennial energy grasses. Brussels, Friday 20th October 2000. (EU internal, non-confidential report).

Biology and control of stem-base diseases of cereals in the UK

A - Papers appearing in refereed journals

Bateman, G. L. and Jenkyn, J. F. 2001. Biology and control of stem-base diseases of cereals in the UK. Pesticide Outlook. 12, pp. 103-106.

Effects of fluquinconazole seed treatment on take-all and yield of winter wheat, and its exploitation in cropping systems

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F., Gutteridge, R. J. and Bateman, G. L. 2001. Effects of fluquinconazole seed treatment on take-all and yield of winter wheat, and its exploitation in cropping systems. Seed Treatment: Challenges and Opportunities. British Crop Protection Council Symposium Proceedings No. 76 . British Crop Protection Council (BCPC). pp. 91-98

Evaluating grasses as a long-term energy resource. ETSU B/CR/00651/REP; DTI/Pub URN 01/780

D1 - Technical reports: non-confidential

Christian, D. G. and Riche, A. B. 2001. Evaluating grasses as a long-term energy resource. ETSU B/CR/00651/REP; DTI/Pub URN 01/780.

Changes in soil mineral nitrogen during and after 3-year and 5-year set-aside and nitrate leaching losses after ploughing out the 5-year plant covers in the UK

A - Papers appearing in refereed journals

Chalmers, A. G., Bacon, E. T. G. and Clarke, J. H. 2001. Changes in soil mineral nitrogen during and after 3-year and 5-year set-aside and nitrate leaching losses after ploughing out the 5-year plant covers in the UK. Plant and Soil. 228, pp. 157-177.

The ATP concentration in the soil microbial biomass

A - Papers appearing in refereed journals

Contin, M., Todd, A. D. and Brookes, P. C. 2001. The ATP concentration in the soil microbial biomass. Soil Biology and Biochemistry. 33 (4-5), pp. 701-704. https://doi.org/10.1016/S0038-0717(00)00204-2

Effects of incorporating different amounts of straw on growth, diseases and yield of consecutive crops of winter wheat grown on contrasting soil types

A - Papers appearing in refereed journals

Jenkyn, J. F., Christian, D. G., Bacon, E. T. G., Gutteridge, R. J. and Todd, A. D. 2001. Effects of incorporating different amounts of straw on growth, diseases and yield of consecutive crops of winter wheat grown on contrasting soil types. The Journal of Agricultural Science. 136, pp. 1-14. https://doi.org/10.1017/S0021859600008558

Development of phoma lesions on oilseed rape leaves inoculated with ascospores of A-group and B-group Leptosphaeria maculans (stem canker) at different temperatures and wetness durations

A - Papers appearing in refereed journals

Toscano-Underwood, C., West, J. S., Fitt, B. D. L., Todd, A. D. and Jedryczka, M. 2001. Development of phoma lesions on oilseed rape leaves inoculated with ascospores of A-group and B-group Leptosphaeria maculans (stem canker) at different temperatures and wetness durations. Plant Pathology. 50 (1), pp. 28-41. https://doi.org/10.1046/j.1365-3059.2001.00526.x

Repellency of non-host plants to oilseed rape pests

C2 - Non-edited contributions to conferences

Stevenson, A. L., Osborne, J. L. and Powell, W. 2001. Repellency of non-host plants to oilseed rape pests. Abstracts British Ecological Society Winter Meeting, Birmingham, 3-5 January 2001 . pp. 56

Switch-on to grass

C1 - Edited contributions to conferences/learned societies

Christian, D. G. 2000. Switch-on to grass. British Association for the Advancement of Science Conference Shaping the Future Together, September 2000 .

The effect of three or five years of set-aside on the husbandry and grain yield of subsequent cereal crops in the UK

A - Papers appearing in refereed journals

Smith, J. M., Cook, S. K., Mills, A. R., Bacon, E. T. G. and Clarke, J. H. 2000. The effect of three or five years of set-aside on the husbandry and grain yield of subsequent cereal crops in the UK. Plant and Soil. 225, pp. 279-297.

A simple sequence repeat-based linkage map of barley

A - Papers appearing in refereed journals

Ramsay, L., Macaulay, M., Degli Ivanissevich, S., Maclean, K., Cardle, L., Fuller, J., Edwards, K. J., Tuvesson, S., Morgante, M., Massari, A., Maestri, E., Marmiroli, N., Sjakste, T., Ganal, M., Powell, W. and Waugh, R. 2000. A simple sequence repeat-based linkage map of barley. Genetics. 156, pp. 1997-2005.

Effects of foliar sprays of azoxystrobin on take-all in wheat

A - Papers appearing in refereed journals

Jenkyn, J. F., Bateman, G. L., Gutteridge, R. J. and Edwards, S. G. 2000. Effects of foliar sprays of azoxystrobin on take-all in wheat. Annals of Applied Biology - AAB. 137 (2), pp. 99-106. https://doi.org/10.1111/j.1744-7348.2000.tb00041.x

The use of field margins in the manipulation of parasitoids for aphid control in arable crops

C1 - Edited contributions to conferences/learned societies

Powell, W. 2000. The use of field margins in the manipulation of parasitoids for aphid control in arable crops. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 579-584

Aphid-induced plant volatiles influencing parasitoid behaviour

C2 - Non-edited contributions to conferences

Poppy, G. M., Powell, W., Guerrieri, E. and Pennacchio, F. 2000. Aphid-induced plant volatiles influencing parasitoid behaviour. Abstract Book 1: 21st International Congress of Entomology, Foz do Iguassu, Brazil, 20-26 August 2000 .

Host selection strategies by the aphid parasitoid Aphidius ervi

C2 - Non-edited contributions to conferences

Pennacchio, F., Battaglia, D., Guerrieri, E., Poppy, G. M., Powell, W., Romano, A. and Tranfaglia, A. 2000. Host selection strategies by the aphid parasitoid Aphidius ervi. Abstracts Book 1: 21st International Congress of Entomology, Foz do Iguassu, Brazil, 20-26 August 2000 .

Principles for regulatory testing and interpretation of semi-field and field studies with non-target arthropods

A - Papers appearing in refereed journals

Candolfi, M., Bigler, F., Campbell, P., Heimbach, U., Schmuck, R., Angeli, G., Bakker, F., Brown, K., Carli, G., Dinter, A., Forti, D., Forster, R., Gathmann, A., Hassan, S., Mead-Briggs, M., Melandri, M., Neuwmann, P., Pasqualini, E., Powell, W., Reboulet, J-N., Romijn, K., Sechser, B., Thieme, Ufer, A., Vergnet, Ch. and Vogt, H. 2000. Principles for regulatory testing and interpretation of semi-field and field studies with non-target arthropods. Anzeiger fur Schadlingskunde/Journal of Pest Science. 73 (6), pp. 141-147.

Movement of aphid parasitoids over different spatial scales studied using molecular markers

C2 - Non-edited contributions to conferences

Loxdale, H. D., Brookes, C. P. and Powell, W. 2000. Movement of aphid parasitoids over different spatial scales studied using molecular markers. Abstracts 21st International Congress of Entomology, Foz de Iguassu, Brazil, 20-26 August 2000 . pp. 2

Fungicides for the control of ergot in cereal crops

C1 - Edited contributions to conferences/learned societies

Evans, V. J., Jenkyn, J. F., Gladders, P. and Mantle, P. G. 2000. Fungicides for the control of ergot in cereal crops. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 511-514

Fitting host-parasitoid models with CV2>1 using hierarchical generalized linear models

A - Papers appearing in refereed journals

Perry, J. N., Noh, M. S., Lee, Youngsook, Alston, R. D., Mohd Norowi, H., Powell, W. and Rennolls, K. 2000. Fitting host-parasitoid models with CV2>1 using hierarchical generalized linear models. Proceedings of the Royal Society of London Series B Biological Sciences. 267, pp. 2043-2048.

Controlling take-all in sequences of winter cereal crops using fluquinconazole seed treatment

C1 - Edited contributions to conferences/learned societies

Bateman, G. L., Jenkyn, J. F., Dawson, W. A. J. M. and Gutteridge, R. J. 2000. Controlling take-all in sequences of winter cereal crops using fluquinconazole seed treatment. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 829-834

Towards better understanding and management of cereal stem-base diseases

C1 - Edited contributions to conferences/learned societies

Bateman, G. L. and Jenkyn, J. F. 2000. Towards better understanding and management of cereal stem-base diseases. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 119-126

Phosphate losses through field drains in a heavy cultivated soil

C2 - Non-edited contributions to conferences

Addiscott, T. M., Brockie, D., Catt, J. A., Christian, D. G., Harris, G. L., Howse, K. R., Mirza, N. A. and Pepper, T. J. 2000. Phosphate losses through field drains in a heavy cultivated soil. Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

Physical and chemical cues influencing the oviposition behaviour of Aphidius ervi

A - Papers appearing in refereed journals

Battaglia, D., Poppy, G. M., Powell, W., Romano, A., Tranfaglia, A. and Pennacchio, F. 2000. Physical and chemical cues influencing the oviposition behaviour of Aphidius ervi. Entomologia Experimentalis et Applicata. 94 (3), pp. 219-227. https://doi.org/10.1046/j.1570-7458.2000.00623.x

The role of plant chemical cues in determining host preference in the generalist aphid parasitoid Aphidius colemani

A - Papers appearing in refereed journals

Storeck, A., Poppy, G. M., Van Emden, H. F. and Powell, W. 2000. The role of plant chemical cues in determining host preference in the generalist aphid parasitoid Aphidius colemani. Entomologia Experimentalis et Applicata. 97 (1), pp. 41-46. https://doi.org/10.1046/j.1570-7458.2000.00714.x

The causes of over-winter plant losses of autumn-sown white lupins (Lupinus albus ) in different regions of the UK over three seasons

A - Papers appearing in refereed journals

Shield, I. F., Scott, T., Stevenson, H. J., Leach, J. E. and Todd, A. D. 2000. The causes of over-winter plant losses of autumn-sown white lupins (Lupinus albus ) in different regions of the UK over three seasons. The Journal of Agricultural Science. 135, pp. 173-183. https://doi.org/10.1017/S0021859699008047

The effect of spatial scale on interactions between two weevils and their parasitoid

A - Papers appearing in refereed journals

Mohd Norowi, Hamid, Perry, J. N., Powell, W. and Rennolls, K. 2000. The effect of spatial scale on interactions between two weevils and their parasitoid. Ecological Entomology. 25 (2), pp. 188-196. https://doi.org/10.1046/j.1365-2311.2000.00242.x

Evaluating grasses for their potential as biomass energy crops

G - Articles in popular magazines and other technical publications

Christian, D. G. 2000. Evaluating grasses for their potential as biomass energy crops. ARIA newsletter. 2000, pp. 18-23.

Assessment of tillage strategies to decrease nitrate leaching in the Brimstone Farm Experiment, Oxfordshire, UK

A - Papers appearing in refereed journals

Catt, J. A., Howse, K. R., Christian, D. G., Lane, P. W., Harris, G. L. and Goss, M. J. 2000. Assessment of tillage strategies to decrease nitrate leaching in the Brimstone Farm Experiment, Oxfordshire, UK. Soil & Tillage Research. 53 (3-4), pp. 185-200. https://doi.org/10.1016/S0167-1987(99)00105-1

Phosphate losses through field drains in a heavy cultivated soil

A - Papers appearing in refereed journals

Addiscott, T. M., Brockie, D., Catt, J. A., Christian, D. G., Harris, G. L., Howse, K. R., Mirza, N. A. and Pepper, T. J. 2000. Phosphate losses through field drains in a heavy cultivated soil. Journal of Environmental Quality. 29 (2), pp. 522-532. https://doi.org/10.2134/jeq2000.00472425002900020021x

Evaluation of some herbaceous grasses as biomass crops in southern England

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Riche, A. B. and Yates, N. E. 1999. Evaluation of some herbaceous grasses as biomass crops in southern England. Kontturi, M., Pithan, K., Topi-Hulmi, M., Sankari, H., Sahramaa, M., Partala, A., Pahkala, K., Christiansen, J. and Mela, T. (ed.) Proceedings Alternative Crops for Sustainable Agriculture: Research Progress COST 814, Turku, Finland, 13-15 June 1999 . European Commission, Luxembourg. pp. 58-69

Switchgrass (Panicum virgatum L.) varieties in Europe

C1 - Edited contributions to conferences/learned societies

Elbersen, H. W., De Klerk-Engels, B. and Christian, D. G. 1999. Switchgrass (Panicum virgatum L.) varieties in Europe. Proceedings Conference on Energy and Agriculture towards the Third Millennium, Athens, June 1999 . pp. 92-98

Monitoring the growth and yield of crops grown as biofuels (ETSU B/W2/00548/11/REP)

D1 - Technical reports: non-confidential

Christian, D. G., Riche, A. B. and Yates, N. E. 1999. Monitoring the growth and yield of crops grown as biofuels (ETSU B/W2/00548/11/REP). DTI, London.

Parasitoid hosts

B - Book chapters etc edited externally

Powell, W. 1999. Parasitoid hosts. in: Hardie, J. and Minks, A. K. (ed.) Pheromones of non-lepidopteran insects associated with agricultural plants Wallingford, Oxon CAB International (CABI). pp. 405-427

Aphid-induced plant volatiles and the specific attraction of aphid parasitoids

C2 - Non-edited contributions to conferences

Poppy, G. M. and Powell, W. 1999. Aphid-induced plant volatiles and the specific attraction of aphid parasitoids. Abstracts 14th International Plant Protection Congress, Jerusalem, July 1999 .

Induction and systemic release of herbivore-induced plant volatiles mediating in-flight orientation of Aphidius ervi

A - Papers appearing in refereed journals

Guerrieri, E., Poppy, G. M., Powell, W., Tremblay, E. and Pennacchio, F. 1999. Induction and systemic release of herbivore-induced plant volatiles mediating in-flight orientation of Aphidius ervi. Journal of Chemical Ecology. 25, pp. 1247-1261.

Responses to aphid sex pheromones by the pea aphid parasitoids Aphidius ervi and Aphidius eadyi

A - Papers appearing in refereed journals

Glinwood, R. T., Du, Y-J. and Powell, W. 1999. Responses to aphid sex pheromones by the pea aphid parasitoids Aphidius ervi and Aphidius eadyi. Entomologia Experimentalis et Applicata. 92 (2), pp. 227-232. https://doi.org/10.1046/j.1570-7458.1999.00541.x

'Observations of Weather' The Weather Diary of Sir John Wittewronge of Rothamsted 1684-89 (Hertfordshire Records Publications, Vol. 15)

G - Articles in popular magazines and other technical publications

Williams, M. H., Stevenson, J. H., Jenkyn, J. F., Prew, R. D. and Roach, W. 1999. 'Observations of Weather' The Weather Diary of Sir John Wittewronge of Rothamsted 1684-89 (Hertfordshire Records Publications, Vol. 15).

The effect of spatial scale on interactions between two weevils and their food plant

A - Papers appearing in refereed journals

Hamid, Mohd Norowi, Perry, J. N., Powell, W. and Rennolls, K. 1999. The effect of spatial scale on interactions between two weevils and their food plant. Acta Oecologica - International journal of ecology. 20, pp. 537-549.

Establishing fuel specifications of non-wood biomass crops (ETSU B/U1/00612/REP)

D1 - Technical reports: non-confidential

Christian, D. G. and Riche, A. B. 1999. Establishing fuel specifications of non-wood biomass crops (ETSU B/U1/00612/REP). DTI, London.

Interactions of straw disposal methods and direct drilling or cultivations on winter wheat (Triticum aestivum ) grown on a clay soil

A - Papers appearing in refereed journals

Christian, D. G., Bacon, E. T. G., Brockie, D., Glen, D., Gutteridge, R. J. and Jenkyn, J. F. 1999. Interactions of straw disposal methods and direct drilling or cultivations on winter wheat (Triticum aestivum ) grown on a clay soil. Journal of Agricultural Engineering Research. 73 (3), pp. 297-309. https://doi.org/10.1006/jaer.1999.0423

Aphids, predators and parasitoids

C1 - Edited contributions to conferences/learned societies

Wadhams, L. J., Birkett, M. A., Powell, W. and Woodcock, C. M. 1999. Aphids, predators and parasitoids. Goode, J. A. and Chadwick, D. J. (ed.) Insect-plant Interactions and Induced Plant Defence. Novartis Foundation Symposium 223 . John Wiley & Sons Chichester, West Sussex. pp. 60-73

Comparative responses of parasitoids to synthetic and plant-extracted nepetalactone component of aphid sex pheromones

A - Papers appearing in refereed journals

Glinwood, R. T., Du, Y-J., Smiley, D. W. M. and Powell, W. 1999. Comparative responses of parasitoids to synthetic and plant-extracted nepetalactone component of aphid sex pheromones. Journal of Chemical Ecology. 25, pp. 1481-1488.

The effects of isothiocyanates on the growth of the entomopathogenic fungus Metarhizium anisopliae and its infection of the mustard beetle

A - Papers appearing in refereed journals

Inyang, E. N., Butt, T. M., Doughty, K. J., Todd, A. D. and Archer, S. 1999. The effects of isothiocyanates on the growth of the entomopathogenic fungus Metarhizium anisopliae and its infection of the mustard beetle. Mycological Research. 103 (8), pp. 974-980. https://doi.org/10.1017/S0953756298007989

Ascospores as primary inoculum for epidemics of white leaf spot (Mycosphaerella capsellae ) in winter oilseed rape in the UK

A - Papers appearing in refereed journals

Inman, A. J., Fitt, B. D. L., Todd, A. D. and Evans, R. L. 1999. Ascospores as primary inoculum for epidemics of white leaf spot (Mycosphaerella capsellae ) in winter oilseed rape in the UK. Plant Pathology. 48 (3), pp. 308-319.

Spatial aspects in modelling pest-crop interactions

C1 - Edited contributions to conferences/learned societies

Mohd Norowi, H., Perry, J. N., Powell, W. and Rennolls, K. 1999. Spatial aspects in modelling pest-crop interactions. Proceedings 5th International Conference on Plant Protection in the Tropics, Kuala Lumpur, 15-18 March 1999 . Malaysian Plant Protection Society, Kuala Lumpur, Malaysia. pp. 29-34

Aphid sex pheromones: manipulation of beneficial insects for aphid population control

C1 - Edited contributions to conferences/learned societies

Glinwood, R. T., Smiley, D. W. M., Hardie, J., Pickett, J. A., Powell, W., Wadhams, L. J. and Woodcock, C. M. 1999. Aphid sex pheromones: manipulation of beneficial insects for aphid population control. Wiley.

Aphid sex pheromones: manipulation of beneficial insects for aphid population control

C2 - Non-edited contributions to conferences

Glinwood, R., Smiley, D. W. M., Hardie, J., Pickett, J. A., Powell, W., Wadhams, L. J. and Woodcock, C. M. 1998. Aphid sex pheromones: manipulation of beneficial insects for aphid population control. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 3D-002

Assessment of risks posed by pesticides to non-target arthropods

C2 - Non-edited contributions to conferences

Birnie, L. C., Kennedy, P. J., Shaw, K. E., Denholm, I., Perry, J. N. and Powell, W. 1998. Assessment of risks posed by pesticides to non-target arthropods. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 8B-025

Nitrate leaching: modifying the loss from mineralized organic matter

A - Papers appearing in refereed journals

Goss, M. J., Howse, K. R., Christian, D. G., Catt, J. A. and Pepper, T. J. 1998. Nitrate leaching: modifying the loss from mineralized organic matter. European Journal of Soil Science. 49 (4), pp. 649-659. https://doi.org/10.1046/j.1365-2389.1998.4940649.x

Seed treatment trials 1998 (Confidential report to AgrEvo)

D1 - Technical reports: non-confidential

Bateman, G. L. and Gutteridge, R. J. 1998. Seed treatment trials 1998 (Confidential report to AgrEvo).

Take-all disease of cereals. A regional perspective

E - Books edited/written by staff member, alone/with others

Hornby, D., Bateman, G. L., Gutteridge, R. J., Lucas, P., Osbourn, A. E., Ward, E. and Yarham, D. J. 1998. Take-all disease of cereals. A regional perspective. CABI International, Wallingford, Oxon (CABI).

Exploit that break

G - Articles in popular magazines and other technical publications

Gutteridge, R. J. and Jenkyn, J. F. 1998. Exploit that break. Crops. 16(11), p. 64.

Growing switchgrass for energy and fibre in Europe

C2 - Non-edited contributions to conferences

Elbersen, H. W., Christian, D. G., El Bassam, N. E. and De Klerk-Engels, B. 1998. Growing switchgrass for energy and fibre in Europe.

Pest control by a community of natural enemies

C1 - Edited contributions to conferences/learned societies

Sunderland, K. D., Axelsen, J. A., Dromph, K., Freier, B., Hemptinne, J-L., Holst, N. H., Mols, P. J. M., Petersen, M. K., Powell, W., Ruggle, P., Triltsch, H. and Winder, L. 1998. Pest control by a community of natural enemies.

The complementary roles of laboratory and field testing in ecotoxicological risk assessment

C1 - Edited contributions to conferences/learned societies

Denholm, I., Birnie, L. C., Kennedy, P. J., Shaw, K. E., Perry, J. N. and Powell, W. 1998. The complementary roles of laboratory and field testing in ecotoxicological risk assessment. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1998 . pp. 583-590

Direct and indirect effects of transgenic potatoes expressing the snowdrop lectin (GNA) on the aphid parasitoid, Aphidius ervi

C2 - Non-edited contributions to conferences

Couty, A., Poppy, G. M., Powell, W. and Gatehouse, A. M. R. 1998. Direct and indirect effects of transgenic potatoes expressing the snowdrop lectin (GNA) on the aphid parasitoid, Aphidius ervi. Abstracts 10th International Symposium on Insect-Plant Relationships, Oxford, 4-11 July 1998 . pp. 55

Aphid sex pheromones to enhance parasitoid efficiency (Home-Grown Cereals Authority Project Report No. 155)

D1 - Technical reports: non-confidential

Powell, W. and Glinwood, R. T. 1998. Aphid sex pheromones to enhance parasitoid efficiency (Home-Grown Cereals Authority Project Report No. 155). H-GCA, London.

A comparison of management regimes for one-year rotational set-aside within a sequence of winter wheat crops, and of growing wheat without interruption. 1. Effects on soil mineral nitrogen, grain yield and quality

A - Papers appearing in refereed journals

Bacon, E. T. G., Hewitt, M. V. and Shepherd, C. E. 1998. A comparison of management regimes for one-year rotational set-aside within a sequence of winter wheat crops, and of growing wheat without interruption. 1. Effects on soil mineral nitrogen, grain yield and quality. The Journal of Agricultural Science. 130, pp. 377-388. https://doi.org/10.1017/S0021859698005437

A comparison of management regimes for one-year rotational set-aside within a sequence of winter wheat crops, and of growing wheat without interruption. 2. Effects on vegetation and weed control

A - Papers appearing in refereed journals

Shield, I. F. and Bacon, E. T. G. 1998. A comparison of management regimes for one-year rotational set-aside within a sequence of winter wheat crops, and of growing wheat without interruption. 2. Effects on vegetation and weed control. The Journal of Agricultural Science. 130, pp. 389-397. https://doi.org/10.1017/S0021859698005449

Semiochemicals to increase parasitism in aphid pest control

C1 - Edited contributions to conferences/learned societies

Powell, W. 1998. Semiochemicals to increase parasitism in aphid pest control. Wiley. https://doi.org/10.1002/(SICI)1096-9063(1998110)54:3<291::AID-PS804>3.0.CO;2-9

Increased parasitization of aphids on trap plants alongside vials releasing synthetic aphid sex pheromone and effective range of the pheromone

A - Papers appearing in refereed journals

Glinwood, R. T., Powell, W. and Tripathi, C. P. M. 1998. Increased parasitization of aphids on trap plants alongside vials releasing synthetic aphid sex pheromone and effective range of the pheromone. Biocontrol Science and Technology. 8 (4), pp. 607-614. https://doi.org/10.1080/09583159830126

Identification of semiochemicals released during aphid feeding that attract parasitoid Aphidius ervi

A - Papers appearing in refereed journals

Du, Y., Poppy, G. M., Powell, W., Pickett, J. A., Wadhams, L. J. and Woodcock, C. M. 1998. Identification of semiochemicals released during aphid feeding that attract parasitoid Aphidius ervi. Journal of Chemical Ecology. 24, pp. 1355-1368.

Obituary: 1921-97: John Malcolm ('Jim') Hirst, FRS

G - Articles in popular magazines and other technical publications

Plumb, R. T. and Jenkyn, J. F. 1998. Obituary: 1921-97: John Malcolm ('Jim') Hirst, FRS. Plant Pathology. 47, p. 543.

Nutrient requirement and cycling in energy crops

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Riche, A. B. and Yates, N. E. 1998. Nutrient requirement and cycling in energy crops. elBassam, N. (ed.) Sustainable agriculture for food, energy and industry . James & James, London. pp. 799-804

Nitrate leaching losses under Miscanthus grass planted on a silty clay loam soil

A - Papers appearing in refereed journals

Christian, D. G. and Riche, A. B. 1998. Nitrate leaching losses under Miscanthus grass planted on a silty clay loam soil. Soil Use and Management. 14 (3), pp. 131-135.

Twenty-five years of monitoring pH and nutrient status of soils in England and Wales

A - Papers appearing in refereed journals

Skinner, R. J. and Todd, A. D. 1998. Twenty-five years of monitoring pH and nutrient status of soils in England and Wales. Soil Use and Management. 14 (3), pp. 162-169.

A comparison of management regimes for one-year rotational set-aside within a sequence of winter wheat crops, and of growing wheat without interruption. 3. Effects on diseases

A - Papers appearing in refereed journals

Jenkyn, J. F., Gutteridge, R. J. and Todd, A. D. 1998. A comparison of management regimes for one-year rotational set-aside within a sequence of winter wheat crops, and of growing wheat without interruption. 3. Effects on diseases. The Journal of Agricultural Science. 130, pp. 399-410. https://doi.org/10.1017/S0021859698005450

Strategies to decrease nitrate leaching in the Brimstone Farm Experiment, Oxfordshire, UK, 1988-1993: the effect of winter cover crops and unfertilised grass leys

A - Papers appearing in refereed journals

Catt, J. A., Howse, K. R., Christian, D. G., Lane, P. W., Harris, G. L. and Goss, M. J. 1998. Strategies to decrease nitrate leaching in the Brimstone Farm Experiment, Oxfordshire, UK, 1988-1993: the effect of winter cover crops and unfertilised grass leys. Plant and Soil. 203 (1), pp. 57-69. https://doi.org/10.1023/A:1004389426718

Strategies to decrease nitrate leaching in the Brimstone Farm Experiment, Oxfordshire, UK, 1988-93: the effect of straw incorporation

A - Papers appearing in refereed journals

Catt, J. A., Howse, K. R., Christian, D. G., Lane, P. W., Harris, G. L. and Goss, M. J. 1998. Strategies to decrease nitrate leaching in the Brimstone Farm Experiment, Oxfordshire, UK, 1988-93: the effect of straw incorporation. The Journal of Agricultural Science. 131, pp. 309-319. https://doi.org/10.1017/S0021859698005905

Phosphorus losses from arable land in England

A - Papers appearing in refereed journals

Catt, J. A., Howse, K. R., Farina, R., Brockie, D., Todd, A. D., Chambers, B. J., Hodgkinson, R., Harris, G. L. and Quinton, J. N. 1998. Phosphorus losses from arable land in England. Soil Use and Management. 14 (supp 4), pp. 168-174. https://doi.org/10.1111/j.1475-2743.1998.tb00636.x

Switchgrass (Panicum virgatum L.)

D1 - Technical reports: non-confidential

Christian, D. G. and Elbersen, H. W. 1998. Switchgrass (Panicum virgatum L.). James & James, London.

Cordgrass (Spartina spp.)

D1 - Technical reports: non-confidential

Christian, D. G. 1998. Cordgrass (Spartina spp.). James & James, London.

Integration of nitrate cover crops into sugarbeet (Beta vulgaris ) rotations. II. Effect of cover crops on growth, yield and N requirement of sugarbeet

A - Papers appearing in refereed journals

Allison, M. F., Armstrong, M. J., Jaggard, K. W. and Todd, A. D. 1998. Integration of nitrate cover crops into sugarbeet (Beta vulgaris ) rotations. II. Effect of cover crops on growth, yield and N requirement of sugarbeet. The Journal of Agricultural Science. 130, pp. 61-67. https://doi.org/10.1017/S002185969700511X

Integration of nitrate cover crops into sugarbeet (Beta vulgaris) rotations. I. Management and effectiveness of nitrate cover crops

A - Papers appearing in refereed journals

Allison, M. F., Armstrong, M. J., Jaggard, K. W. and Todd, A. D. 1998. Integration of nitrate cover crops into sugarbeet (Beta vulgaris) rotations. I. Management and effectiveness of nitrate cover crops. The Journal of Agricultural Science. 130, pp. 53-60. https://doi.org/10.1017/S0021859697005108

Effects of method of straw disposal and depth of cultivation on populations of Fusarium spp. in soil and on brown foot rot in continuous winter wheat

A - Papers appearing in refereed journals

Bateman, G. L., Murray, G., Gutteridge, R. J. and Coskun, H. 1998. Effects of method of straw disposal and depth of cultivation on populations of Fusarium spp. in soil and on brown foot rot in continuous winter wheat. Annals of Applied Biology - AAB. 132 (1), pp. 35-47. https://doi.org/10.1111/j.1744-7348.1998.tb05183.x

Strategies involved in the location of hosts by the parasitoid Aphidius ervi Haliday (Hymenoptera: Braconidae: Aphidiinae)

A - Papers appearing in refereed journals

Powell, W., Pennacchio, F., Poppy, G. M. and Tremblay, E. 1998. Strategies involved in the location of hosts by the parasitoid Aphidius ervi Haliday (Hymenoptera: Braconidae: Aphidiinae). Biological Control. 11, pp. 104-112.

Electrophoretic study of five aphid parasitoid species of the genus Aphidius (Hymenoptera: Braconidae), including evidence for reproductively isolated sympatric populations and a cryptic species

A - Papers appearing in refereed journals

Atanassova, P., Brookes, C. P., Loxdale, H. D. and Powell, W. 1998. Electrophoretic study of five aphid parasitoid species of the genus Aphidius (Hymenoptera: Braconidae), including evidence for reproductively isolated sympatric populations and a cryptic species. Bulletin of Entomological Research. 88 (1), pp. 3-13. https://doi.org/10.1017/S000748530004150X

The use of single-species spatially explicit models

C1 - Edited contributions to conferences/learned societies

Topping, C. J., Booij, K., Daamen, R. A., Dinter, A., Heimbach, U., Kennedy, P. J., Langer, V., Perry, J. N., Powell, W., Skirvin, D., Stilmant, D., Thomas, C. F. G. and Winstone, L. 1997. The use of single-species spatially explicit models.

Genstat 5 Release 4.1 reference manual supplement

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1997. Genstat 5 Release 4.1 reference manual supplement. Numerical Algorithms Group, Oxford.

Genstat for Windows command language manual

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1997. Genstat for Windows command language manual. Numerical Algorithms Group, Oxford.

Topping level, sugar yield and root quality of beet from a range of soils: a study for the National Farmers' Union 1996/97

D1 - Technical reports: non-confidential

Jaggard, K. W., Clark, C. J. A. and Todd, A. D. 1997. Topping level, sugar yield and root quality of beet from a range of soils: a study for the National Farmers' Union 1996/97. Confidential Report for the NFU.

Nutrient availability and yield variation in beet rotations: implications for precision farming

C1 - Edited contributions to conferences/learned societies

Jaggard, K. W., Allison, M. F. and Todd, A. D. 1997. Nutrient availability and yield variation in beet rotations: implications for precision farming. Proceedings 60th Congress of the Institut International de Recherches Betteravieres, Cambridge, July 1997 . pp. 303-306

The establishment of cover crops by reduced cultivation, direct drilling and pre-harvest sowing and the effect on the yield of the following crop

C1 - Edited contributions to conferences/learned societies

Christian, D. G. and Yates, N. E. 1997. The establishment of cover crops by reduced cultivation, direct drilling and pre-harvest sowing and the effect on the yield of the following crop. Tebrugge, F. and Bohrnsen, A. (ed.) Experiences with the Application of No-tillage Crop Production in the West European Countries: Proceedings of 4th EC Workshop , Boigneville, 12-14 May 1997 . Wissenschaftlicher Fachverlag Dr Fleck, Langgons. pp. 5-15

Herbivore-induced synomones regulating the flight behaviour of the aphid parasitoid Aphidius ervi (Hymenoptera: Braconidae)

C2 - Non-edited contributions to conferences

Poppy, G. M., Guerrieri, E., Powell, W., Pennacchio, F. and Tremblay, E. 1997. Herbivore-induced synomones regulating the flight behaviour of the aphid parasitoid Aphidius ervi (Hymenoptera: Braconidae). Abstracts 6th European Workshop on Insect Parasitoids, Valencia, March 1997 .

Aphid-induced plant synomones affecting the foraging behaviour of the parasitoid Aphidius ervi

C2 - Non-edited contributions to conferences

Poppy, G. M., Guerrieri, E., Powell, W. and Pennacchio, F. 1997. Aphid-induced plant synomones affecting the foraging behaviour of the parasitoid Aphidius ervi. Abstracts Entomology '97, Newcastle, 10-12 September 1997 .

Physical and chemical cues regulating the oviposition behaviour of Aphidius ervi Haliday (Hymenoptera: Braconidae)

C2 - Non-edited contributions to conferences

Battaglia, D., Pennacchio, F., Poppy, G. M., Powell, W., Romano, A. and Tranfaglia, A. 1997. Physical and chemical cues regulating the oviposition behaviour of Aphidius ervi Haliday (Hymenoptera: Braconidae). Abstracts 6th European Workshop on Insect Parasitoids, Valencia, March 1997 .

Chemically mediated associative learning in the host foraging behavior of the aphid parasitoid Aphidius ervi (Hymenoptera: Braconidae)

A - Papers appearing in refereed journals

Du, Y., Poppy, G. M., Powell, W. and Wadhams, L. J. 1997. Chemically mediated associative learning in the host foraging behavior of the aphid parasitoid Aphidius ervi (Hymenoptera: Braconidae). Journal of Insect Behavior. 10, pp. 509-522.

Genstat 5 Release 4.1 reference summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1997. Genstat 5 Release 4.1 reference summary. Numerical Algorithms Group, Oxford.

The effect of take-all (Gaeumannomyces graminis var tritici ) disease of wheat on residual mineral N in arable soils

C2 - Non-edited contributions to conferences

Macdonald, A. J., Gutteridge, R. J. and Bradbury, N. J. 1997. The effect of take-all (Gaeumannomyces graminis var tritici ) disease of wheat on residual mineral N in arable soils. Abstracts 1st European Conference on Precision Agriculture, Warwick, 8-10 September 1997 .

Aphid parasitoid responses to semiochemicals - genetic, conditioned or learnt?

A - Papers appearing in refereed journals

Poppy, G. M., Powell, W. and Pennacchio, F. 1997. Aphid parasitoid responses to semiochemicals - genetic, conditioned or learnt? Entomophaga. 42, pp. 193-199.

Sublethal effects of pesticides on locomotory behaviour of beneficial arthropods

C1 - Edited contributions to conferences/learned societies

Kennedy, P. J., Umoru, P. A. and Powell, W. 1997. Sublethal effects of pesticides on locomotory behaviour of beneficial arthropods. Haskell, P. T. and McEwen, P. K. (ed.) New studies in ecotoxicology . Welsh Pest Management Forum. pp. 37-41

Uptake of nitrogen by Miscanthus

C1 - Edited contributions to conferences/learned societies

Christian, D. G. and Riche, A. B. 1997. Uptake of nitrogen by Miscanthus. Biewinga, E. E. and vanderBijl, G. (ed.) Proceedings Conference on the Environmental Impact of Biomass for Energy, Noordwijkerhout, 4-5 November 1996 . Centre for Agriculture and Environment, Utrecht. pp. 71-72

Nitrate leaching under Miscanthus grass

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Riche, A. B. and Yates, N. E. 1997. Nitrate leaching under Miscanthus grass. Biewinga, E. E. and vanderBijl, G. (ed.) Proceedings Conference on the Environmental Impact of Biomass for Energy, Noordwijkerhout, 4-5 November 1996 . Centre for Agriculture and Environment, Utrecht. pp. 69-70

A study of grain dormancy and viability in spring barley

A - Papers appearing in refereed journals

Carreck, N. L. and Christian, D. G. 1997. A study of grain dormancy and viability in spring barley. European Journal of Agronomy. 6, pp. 155-161.

Comparisons of isolates of the take-all fungus, Gaeumannomyces graminis var. tritici , from different cereal sequences using DNA probes and non-molecular methods

A - Papers appearing in refereed journals

Bateman, G. L., Ward, E., Hornby, D. and Gutteridge, R. J. 1997. Comparisons of isolates of the take-all fungus, Gaeumannomyces graminis var. tritici , from different cereal sequences using DNA probes and non-molecular methods. Soil Biology and Biochemistry. 29, pp. 1225-1232.

'Push-Pull' strategies for pest control

G - Articles in popular magazines and other technical publications

Smart, L. E., Pickett, J. A. and Powell, W. 1997. 'Push-Pull' strategies for pest control. Grain Legumes. No. 15, pp. 14-15.

The occurrence of aphid parasitoids in arable crops in northern Pakistan

C2 - Non-edited contributions to conferences

Rehman, A., Powell, W., Deadman, M. L. and Hashmi, A. A. 1997. The occurrence of aphid parasitoids in arable crops in northern Pakistan. Abstracts 3rd International Congress of Entomological Sciences, Islamabad, 18-20 March 1997 .

Structure of a Genstat userfile

G - Articles in popular magazines and other technical publications

Todd, A. D. 1997. Structure of a Genstat userfile. Genstat newsletter. 33, pp. 42-45.

The potassium, sodium, magnesium, calcium and phosphate nutrition of sugarbeet (Beta vulgaris ) grown on soils containing incorporated straw

A - Papers appearing in refereed journals

Allison, M. F., Chapman, J. L., Garat, C. E. and Todd, A. D. 1997. The potassium, sodium, magnesium, calcium and phosphate nutrition of sugarbeet (Beta vulgaris ) grown on soils containing incorporated straw. Journal of the Science of Food and Agriculture. 74 (2), pp. 216-220. https://doi.org/10.1002/(SICI)1097-0010(199706)74:2<216::AID-JSFA791>3.0.CO;2-R

The agronomy of some herbaceous crops grown for energy in Southern England

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Bullard, M. J. and Wilkins, C. 1997. The agronomy of some herbaceous crops grown for energy in Southern England. Biomass and Energy Crops. Aspects of Applied Biology 49 . pp. 41-51

The recovery of 15N-labelled fertilizer applied to Miscanthus x giganteus

A - Papers appearing in refereed journals

Christian, D. G., Poulton, P. R., Riche, A. B. and Yates, N. E. 1997. The recovery of 15N-labelled fertilizer applied to Miscanthus x giganteus. Biomass & Bioenergy. 12 (1), pp. 21-24. https://doi.org/10.1016/S0961-9534(96)00060-8

Genstat 5 Release 3.2 Command Language Manual

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R. J., Welham, S. J. and White, Robin P. 1996. Genstat 5 Release 3.2 Command Language Manual. Numerical Algorithms Group, Oxford.

Influence of wheat and oat cultivars on the development of the cereal aphid parasitoid Aphidius rhopalosiphi and the generalist aphid parasitoid Ephedrus plagiator

A - Papers appearing in refereed journals

Fuentes-Contreras, J. E., Powell, W., Wadhams, L. J., Pickett, J. A. and Niemeyer, H. M. 1996. Influence of wheat and oat cultivars on the development of the cereal aphid parasitoid Aphidius rhopalosiphi and the generalist aphid parasitoid Ephedrus plagiator. Annals of Applied Biology - AAB. 128 (2), pp. 181-187. https://doi.org/10.1111/j.1744-7348.1996.tb05742.x

LINK IFS - the challenge of weed control in an integrated farming system

C1 - Edited contributions to conferences/learned societies

Coutts, J. and Prew, R. D. 1996. LINK IFS - the challenge of weed control in an integrated farming system. Rotations and Cropping Systems. Aspects of Applied Biology 47 . pp. 195-202

Nutrient demand and translocation processes of Miscanthus x giganteus

C1 - Edited contributions to conferences/learned societies

Jodl, S., Hotz, A. and Christian, D. G. 1996. Nutrient demand and translocation processes of Miscanthus x giganteus. Proceedings 9th European Bioenergy Conference, Copenhagen, 24-27 June 1996 . pp. 517-522

Strategies to control volunteer cereals in cereal rotations

C1 - Edited contributions to conferences/learned societies

Christian, D. G. and Carreck, N. L. 1996. Strategies to control volunteer cereals in cereal rotations. Tebrugge, F. and Bohrnsen, A. (ed.) Proceedings 3rd EC Workshop on Experience with the Applicability of No-Tillage Crop Production in the West European Countries, Euora, 1-2 April 1996 . Wissenschaftlicher Fachverlag Dr Fleck, Langgons. pp. 31-41

Host preference behaviour of the aphid parasitoids Praon volucre and Praon myzophagum (Hymenoptera: Aphidiidae)

C2 - Non-edited contributions to conferences

Rehman, A., Powell, W. and Deadman, M. L. 1996. Host preference behaviour of the aphid parasitoids Praon volucre and Praon myzophagum (Hymenoptera: Aphidiidae). Abstracts 2nd International Congress of Entomological Sciences, Islamabad, 19-21 March 1996 . pp. 69-70

Parasitoid responses to semiochemicals - innate, conditioned or learnt?

C2 - Non-edited contributions to conferences

Poppy, G. M., Powell, W. and Pennacchio, F. 1996. Parasitoid responses to semiochemicals - innate, conditioned or learnt? Proceedings Aphidophaga 6, Gembloux, 2-6 September 1996 .

Reproduction of beneficial predators and parasitoids in agroecosystems in relation to habitat quality and food availability

A - Papers appearing in refereed journals

Sunderland, K. D., Bilde, T., Den Nijs, L. J. M. F., Dinter, A., Heimbach, U., Lys, J. A., Powell, W. and Toft, S. 1996. Reproduction of beneficial predators and parasitoids in agroecosystems in relation to habitat quality and food availability. Acta Jutlandica. 71(2), pp. 117-153.

Genetic influences on aphid parasitoid host selection

C2 - Non-edited contributions to conferences

Powell, W. and Rehman. A. 1996. Genetic influences on aphid parasitoid host selection.

Straw incorporation - rotational ploughing for grass weed control

A - Papers appearing in refereed journals

Turley, D. B., Bacon, E. T. G., Shepherd, C., Peters, N. C. B., Potyka, I., Glen, D. M., Dampney, P. M. R. and Johnson, P. N. 1996. Straw incorporation - rotational ploughing for grass weed control. Aspects of Applied Biology. 47, pp. 257-264.

Strategies involved in the location of hosts by the aphid parasitoid Aphidius ervi Halliday (Hymenoptera: Braconidae: Aphidiinae)

C2 - Non-edited contributions to conferences

Powell, W., Pennacchio, F., Poppy, G. M. and Tremblay, E. 1996. Strategies involved in the location of hosts by the aphid parasitoid Aphidius ervi Halliday (Hymenoptera: Braconidae: Aphidiinae). Proceedings 20th International Congress of Entomology, Firenze, 25-31 August 1996 . pp. 623

Plant genotype, micronutrient fertilization and take-all infection influence bacterial populations in the rhizosphere of wheat

A - Papers appearing in refereed journals

Rengel, Z., Gutteridge, R. J., Hirsch, P. R. and Hornby, D. 1996. Plant genotype, micronutrient fertilization and take-all infection influence bacterial populations in the rhizosphere of wheat. Plant and Soil. 183 (2), pp. 269-277. https://doi.org/10.1007/BF00011442

Occurrence of severe take-all in winter wheat after many years of growing spring barley, and effects of soil phosphate

A - Papers appearing in refereed journals

Gutteridge, R. J., Jenkyn, J. F. and Poulton, P. R. 1996. Occurrence of severe take-all in winter wheat after many years of growing spring barley, and effects of soil phosphate. Aspects of Applied Biology. 47, pp. 453-458.

The role of host-induced plant synomones on in-flight orientation of the aphid parasitoid Aphidius ervi Haliday (Hymenoptera, Braconidae)

C2 - Non-edited contributions to conferences

Guerrieri, E., Du, Y.J., Poppy, G. M., Powell, W., Pennacchio, F. and Tremblay, E. 1996. The role of host-induced plant synomones on in-flight orientation of the aphid parasitoid Aphidius ervi Haliday (Hymenoptera, Braconidae). Proceedings 20th International Congress of Entomology, Firenze, 25-31 August 1996 . pp. 647

Relative importance of semiochemicals from first and second trophic levels in host foraging behaviour of Aphidius ervi

A - Papers appearing in refereed journals

Du, Y.J., Poppy, G. M. and Powell, W. 1996. Relative importance of semiochemicals from first and second trophic levels in host foraging behaviour of Aphidius ervi. Journal of Chemical Ecology. 22, pp. 1591-1605.

Colour vision and oviposition behaviour in Aphidius ervi Haliday (Hymenoptera, Braconidae)

C2 - Non-edited contributions to conferences

Battaglia, D., Pennacchio, F., Romano, A., Tranfaglia, A., Poppy, G. M. and Powell, W. 1996. Colour vision and oviposition behaviour in Aphidius ervi Haliday (Hymenoptera, Braconidae). Proceedings 20th International Congress of Entomology, Firenze, 25-31 August 1996 . pp. 647

The foraging efficiency of the parasitoid Diaeretiella rapae (Hymenoptera: Braconidae) in relation to the spatial distribution of aphids on plants

A - Papers appearing in refereed journals

Powell, W. and Nickless, A. 1996. The foraging efficiency of the parasitoid Diaeretiella rapae (Hymenoptera: Braconidae) in relation to the spatial distribution of aphids on plants. Acta Jutlandica. 71(2), pp. 97-106.

Incidence of eyespot and selection of W-type and R-type of Pseudocercosporella herpotrichoides in sequences of different cereal species

C1 - Edited contributions to conferences/learned societies

Bateman, G. L. and Gutteridge, R. J. 1996. Incidence of eyespot and selection of W-type and R-type of Pseudocercosporella herpotrichoides in sequences of different cereal species. Rotations and Cropping Systems. Aspects of Applied Biology 47 . pp. 437-440

Factors affecting cover crop dry matter production in beet rotations

C1 - Edited contributions to conferences/learned societies

Allison, M. F., Garat, C. E., Armstrong, M. J. and Todd, A. D. 1996. Factors affecting cover crop dry matter production in beet rotations. Rotations and Cropping Systems. Aspects of Applied Biology 47 . pp. 367-370

An analysis of the agronomic, economic and environmental effects of applying N fertilizer to sugarbeet (Beta vulgaris )

A - Papers appearing in refereed journals

Allison, M. F., Armstrong, M. J., Jaggard, K. W., Todd, A. D. and Milford, G. F. J. 1996. An analysis of the agronomic, economic and environmental effects of applying N fertilizer to sugarbeet (Beta vulgaris ). The Journal of Agricultural Science. 127 (4), pp. 475-486. https://doi.org/10.1017/S0021859600078709

Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses

C1 - Edited contributions to conferences/learned societies

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1996. Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses. Proceedings 2nd EC Concerted Action on Cover Crops (CA 2108), Gumpenstein, Austria, 4-7 November 1996 .

Effects of wheat crop debris on the sporulation and survival of Pseudocercosporella herpotrichoides

A - Papers appearing in refereed journals

Jalaluddin, M. and Jenkyn, J. F. 1996. Effects of wheat crop debris on the sporulation and survival of Pseudocercosporella herpotrichoides. Plant Pathology. 45 (6), pp. 1052-1064. https://doi.org/10.1046/j.1365-3059.1996.d01-194.x

Effects on wheat diseases of three and five year set-aside covers

C1 - Edited contributions to conferences/learned societies

Jones, D. R., Froment, M. A., Jenkyn, J. F. and Gutteridge, R. J. 1996. Effects on wheat diseases of three and five year set-aside covers. Rotations and Cropping Systems. Aspects of Applied Biology 47 . pp. 441-444

Effects of cultivating one-year rotational set-aside at different times on take-all disease of winter wheat

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F., Gutteridge, R. J., Gladders, P. and Yarham, D. J. 1996. Effects of cultivating one-year rotational set-aside at different times on take-all disease of winter wheat. Rotations and Cropping Systems. Aspects of Applied Biology 47 . pp. 449-452

Sex pheromone of aphid parasitoid Praon volucre (Hymenoptera, Braconidae)

A - Papers appearing in refereed journals

Nazzi, F., Powell, W., Wadhams, L. J. and Woodcock, C. M. 1996. Sex pheromone of aphid parasitoid Praon volucre (Hymenoptera, Braconidae). Journal of Chemical Ecology. 22, pp. 1169-1175.

The effects on soil fertility of repeated applications of pesticides over 20 years

C2 - Non-edited contributions to conferences

Bromilow, R. H., Evans, A. A., Nicholls, P. H., Todd, A. D. and Briggs, G. G. 1996. The effects on soil fertility of repeated applications of pesticides over 20 years. Pesticides in Soil and the Environment. Proceedings COST 66 Workshop, Stratford-upon-Avon, 13-15 May 1996 . pp. 153-154

The effects on soil fertility of repeated applications of pesticides over 20 years

A - Papers appearing in refereed journals

Bromilow, R. H., Evans, A. A., Nicholls, P. H., Todd, A. D. and Briggs, G. G. 1996. The effects on soil fertility of repeated applications of pesticides over 20 years. Pesticide Science. 48, pp. 63-72.

Aphid attack - working on the insides

G - Articles in popular magazines and other technical publications

Powell, W. 1996. Aphid attack - working on the insides. Farming and Conservation. April 1996, pp. 12-14.

Effect of pirimicarb on the foraging behaviour of Diaeretiella rapae (Hymenoptera: Braconidae) on host-free and infested oilseed rape plants

A - Papers appearing in refereed journals

Umoru, P. A., Powell, W. and Clark, S. J. 1996. Effect of pirimicarb on the foraging behaviour of Diaeretiella rapae (Hymenoptera: Braconidae) on host-free and infested oilseed rape plants. Bulletin of Entomological Research. 86 (2), pp. 193-201. https://doi.org/10.1017/S0007485300052445

Effects of inoculum sources on the accuracy and precision of experiments testing different times of applying fungicides to control powdery mildew (Erysiphe graminis f. sp. hordei ) on spring barley

A - Papers appearing in refereed journals

Jenkyn, J. F., Todd, A. D., Bainbridge, A. and Dyke, G. V. 1996. Effects of inoculum sources on the accuracy and precision of experiments testing different times of applying fungicides to control powdery mildew (Erysiphe graminis f. sp. hordei ) on spring barley. The Journal of Agricultural Science. 126 (3), pp. 259-275. https://doi.org/10.1017/S0021859600074815

Genstat 5 for Windows reference manual supplement

D1 - Technical reports: non-confidential

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1995. Genstat 5 for Windows reference manual supplement. Oxford Numerical Algorithms Group.

Genstat for Windows. Release 3.2 manual supplement

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat for Windows. Release 3.2 manual supplement. Numerical Algorithms Group, Oxford.

Genstat for Windows reference summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat for Windows reference summary. Numerical Algorithms Group, Oxford.

Evaluating grasses as a biomass resource for energy - some preliminary results

C1 - Edited contributions to conferences/learned societies

Christian, D. G. 1995. Evaluating grasses as a biomass resource for energy - some preliminary results.

Fatal attraction

G - Articles in popular magazines and other technical publications

Powell, W. 1995. Fatal attraction. Grower. 124(5), pp. 17-18.

Populations and communities

B - Book chapters etc edited externally

Powell, W. and Walton, M. P. 1995. Populations and communities. in: Jervis, M. A. and Kidd, N. (ed.) Insect natural enemies: practical approaches to their study and evaluation Chapman & Hall, London. pp. 223-292

Straw incorporation by different tillage systems on heavy clay soils in southern England

C1 - Edited contributions to conferences/learned societies

Christian, D. G. and Bacon, E. T. G. 1995. Straw incorporation by different tillage systems on heavy clay soils in southern England. Tebrugge, F. (ed.) Proceedings 2nd EC Workshop on Experience with the Applicability of No-Tillage Crop Production in the West European Countries, Silsoe, 15-17 May 1995 . Wissenschaftlicher Fachverlag Dr Fleck, Langgons. pp. 101-110

The natural biological control phenomenon of take-all decline in different sequences of cereals

B - Book chapters etc edited externally

Hornby, D. and Gutteridge, R. J. 1995. The natural biological control phenomenon of take-all decline in different sequences of cereals. in: Manka, M. (ed.) Environmental biotic factors in integrated plant disease control Polish Phytopathological Society, Poznan. pp. 53-60

Genstat 5 release 3.2 reference summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat 5 release 3.2 reference summary. Oxford Numerical Algorithms Group.

Genstat 5 release 3.2 manual supplement

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat 5 release 3.2 manual supplement. Numerical Algorithms Group, Oxford.

Within-field spatial heterogeneity of arthropod predators and parasitoids

C1 - Edited contributions to conferences/learned societies

Powell, W., Hawthorne, A., Hemptinne, J. L., Holopainen, J. K., Den Nijs, L. J. F. M., Riedel, W. and Ruggle, P. 1995. Within-field spatial heterogeneity of arthropod predators and parasitoids.

Using mark-release-recapture techniques to study the influence of spatial heterogeneity on carabids

C1 - Edited contributions to conferences/learned societies

Powell, W. and Ashby, J. E. 1995. Using mark-release-recapture techniques to study the influence of spatial heterogeneity on carabids.

Variations of body length, weight, fat content and survival in Coccinella septempunctata at different hibernation sites

A - Papers appearing in refereed journals

Zhou, X-L, Honek, A., Powell, W. and Carter, N. 1995. Variations of body length, weight, fat content and survival in Coccinella septempunctata at different hibernation sites. Entomologia Experimentalis et Applicata. 75 (2), pp. 99-107.

Effects of sowing date and vernalisation on the growth of winter barley and its resistance to powdery mildew (Erysiphe graminis f.sp. hordei)

A - Papers appearing in refereed journals

White, N. and Jenkyn, J. F. 1995. Effects of sowing date and vernalisation on the growth of winter barley and its resistance to powdery mildew (Erysiphe graminis f.sp. hordei). Annals of Applied Biology - AAB. 126 (2), pp. 269-283. https://doi.org/10.1111/j.1744-7348.1995.tb05365.x

Inter-plot interference and nearest-neighbour analysis of field experiments

A - Papers appearing in refereed journals

Ainsley, A. E., Dyke, G. V. and Jenkyn, J. F. 1995. Inter-plot interference and nearest-neighbour analysis of field experiments. The Journal of Agricultural Science. 125 (1), pp. 1-9. https://doi.org/10.1017/S002185960007444X

Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses

C1 - Edited contributions to conferences/learned societies

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1995. Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses. Proceedings 1st EC Concerted Action on Cover Crops (CA 2108), Wageningen, May 1995 .

Effects of cover crops on soil N transformations and losses from arable land

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1995. Effects of cover crops on soil N transformations and losses from arable land. Proceedings of the ARIA Nitrate Workshop, Rothamsted, 25 January 1995 .

Effects of incorporating straw, using different cultivation systems, and of burning it, on diseases of winter barley

A - Papers appearing in refereed journals

Jenkyn, J. F., Gutteridge, R. J. and Todd, A. D. 1995. Effects of incorporating straw, using different cultivation systems, and of burning it, on diseases of winter barley. The Journal of Agricultural Science. 124 (2), pp. 195-204. https://doi.org/10.1017/S0021859600072865

Sensitivity (stability) analysis of multiple variety trials, with special reference to data expressed as proportions or percentages

A - Papers appearing in refereed journals

Dyke, G. V., Lane, P. W. and Jenkyn, J. F. 1995. Sensitivity (stability) analysis of multiple variety trials, with special reference to data expressed as proportions or percentages. Experimental Agriculture. 31 (1), pp. 75-87. https://doi.org/10.1017/S0014479700025035

Aspects of Applied Biology 36: Cereal Quality III, eds Kettlewell P. S., Garstang J. R., Duffus C. M., Magan N., Thomas W. T. B. & Paveley N. D.. viii + 489 pp. Wellesbourne: The Association of Applied Biologists (1993). £42.00 or $85.00 (paperback). ISSN 0265 1491

A - Papers appearing in refereed journals

Prew, R. D. 1994. Aspects of Applied Biology 36: Cereal Quality III, eds Kettlewell P. S., Garstang J. R., Duffus C. M., Magan N., Thomas W. T. B. & Paveley N. D.. viii + 489 pp. Wellesbourne: The Association of Applied Biologists (1993). £42.00 or $85.00 (paperback). ISSN 0265 1491. The Journal of Agricultural Science. 123 (2), pp. 298-298. https://doi.org/10.1017/S0021859600068672

Different cereal sequences to manage the natural biological control phenomenon of take-all decline

C2 - Non-edited contributions to conferences

Hornby, D. and Gutteridge, R. J. 1994. Different cereal sequences to manage the natural biological control phenomenon of take-all decline. Abstracts 3rd EFPP Conference on Environmental Biotic Factors in Integrated Plant Disease Control, Poznan, 5th-9th September 1994 . pp. 28

The aphid sex pheromone: a novel host location cur for the parasitoid Praon volucre

C1 - Edited contributions to conferences/learned societies

Lilley, R., Hardie, J., Powell, W. and Wadhams, L. J. 1994. The aphid sex pheromone: a novel host location cur for the parasitoid Praon volucre. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1994 . Wiley.

Integrated farming - putting together systems for farm use

C1 - Edited contributions to conferences/learned societies

Ogilvy, S. E., Turley, D. B., Cook, S. K., Fisher, N. M., Holland, J., Prew, R. D. and Spink, J. 1994. Integrated farming - putting together systems for farm use. Arable Farming under CAP Reform. Aspects of Applied Biology 40 . pp. 53-59

Effects of cover crops on soil N transformations and losses from arable land

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1994. Effects of cover crops on soil N transformations and losses from arable land. Abstracts 8th Nitrogen Workshop, University of Ghent, 5-8 September 1994 .

Impact of set-aside management strategies on the soil seedbank and weed flora at Woburn

C1 - Edited contributions to conferences/learned societies

Lawson, H. M., Wright, G. Mcn., Bacon, E. T. G. and Yeoman, D. P. 1994. Impact of set-aside management strategies on the soil seedbank and weed flora at Woburn. Arable Farming under CAP Reform. Aspects of Applied Biology 40 . pp. 453-460

The Management of long-term agricultural field experiments: procedures and policies evolved from the Rothamsted Classical Experiments

B - Book chapters etc edited externally

Leigh, R. A., Prew, R. D. and Johnston, A. E. 1994. The Management of long-term agricultural field experiments: procedures and policies evolved from the Rothamsted Classical Experiments. in: Johnston, A. E. and Leigh, R. A. (ed.) Long term experiments in agricultural and ecological sciences CABI International, Wallingford, Oxon (CABI). pp. 253-268

Quantifying the yield of perennial grasses grown as a biofuel for energy generation

A - Papers appearing in refereed journals

Christian, D. G. 1994. Quantifying the yield of perennial grasses grown as a biofuel for energy generation. Renewable Energy. 5, pp. 762-766.

Electrophoretic studies of geographic and host strains of the aphid parasitoid Aphidius ervi

C2 - Non-edited contributions to conferences

Atanassova, P., Powell, W., Brookes, C. and Loxdale, H. 1994. Electrophoretic studies of geographic and host strains of the aphid parasitoid Aphidius ervi. Abstracts 5th European Congress of Entomology, York, 29th August-2nd September 1994 . pp. 251

Seasonal distribution and aerial movement of adult coccinellids on farmland

A - Papers appearing in refereed journals

Zhou, X-L, Carter, N. and Powell, W. 1994. Seasonal distribution and aerial movement of adult coccinellids on farmland. Biocontrol Science and Technology. 4, pp. 167-175.

Nemec and Stary's "population diversity centre" hypothesis for aphid parasitoids revisited

A - Papers appearing in refereed journals

Powell, W. 1994. Nemec and Stary's "population diversity centre" hypothesis for aphid parasitoids revisited. Norwegian Journal of Agricultural Sciences. Supplement 16, pp. 163-169.

The responses of Praon spp. parasitoids to aphid sex pheromone components in the field

A - Papers appearing in refereed journals

Hardie, J., Hick, A. J., Holler, C., Mann, J., Merritt, L., Nottingham, S. F., Powell, W., Wadhams, L. J., Witthinrich, J. and Wright, A. F. 1994. The responses of Praon spp. parasitoids to aphid sex pheromone components in the field. Entomologia Experimentalis et Applicata. 71 (2), pp. 95-99.

Design of field trials and its influence on the detection of pesticide side effects

C2 - Non-edited contributions to conferences

Kennedy, P. J., Carter, N., Walters, K. F. A., Perry, J. N., Powell, D. and Powell, W. 1994. Design of field trials and its influence on the detection of pesticide side effects. Abstracts Ecotoxicology - Ecological Dimensions: Proceedings 5th Annual Meeting of SETAC-Europe (UK Branch), Sheffield, 12-14 September 1994 . pp. 11

The effect of inspection on inter-alarm time intervals. Part 2. The inspection paradox and the distribution of inter-alarm times. Confidential report for Modern Security Systems

D1 - Technical reports: non-confidential

Kenward, M. G., Moore, K. L., Todd, A. D. and Barnett, V. 1994. The effect of inspection on inter-alarm time intervals. Part 2. The inspection paradox and the distribution of inter-alarm times. Confidential report for Modern Security Systems.

The effect of inspection on inter-alarm time intervals. Part 1. The distribution of alarm-to-inspection and inspection-to-alarm intervals. Confidential report for Modern Security Systems

D1 - Technical reports: non-confidential

Kenward, M. G., Moore, K. L., Todd, A. D. and Barnett, V. 1994. The effect of inspection on inter-alarm time intervals. Part 1. The distribution of alarm-to-inspection and inspection-to-alarm intervals. Confidential report for Modern Security Systems.

Design of field trials and its influence on the detection of pesticide side effects

C2 - Non-edited contributions to conferences

Kennedy, P. J., Carter, N., Walters, K. F. A., Perry, J. N., Powell, D. and Powell, W. 1994. Design of field trials and its influence on the detection of pesticide side effects. Abstracts 5th European Congress of Entomology, York, 29th August-2nd September 1994 . pp. 276

First report of barley yellow dwarf luteovirus on Miscanthus in the United Kingdom

A - Papers appearing in refereed journals

Christian, D. G., Lamptey, J. N. L., Forde, S. M. D. and Plumb, R. T. 1994. First report of barley yellow dwarf luteovirus on Miscanthus in the United Kingdom. European Journal of Plant Pathology. 100, pp. 167-170.

The effect of ploughing, direct drilling and minimal cultivation on drained and undrained land on yield and nitrogen uptake of crops grown on clay soil, 1979-1992

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Bacon, E. T. G., Howse, K. R., Catt, J. A., Brockie, D. and Harris, G. L. 1994. The effect of ploughing, direct drilling and minimal cultivation on drained and undrained land on yield and nitrogen uptake of crops grown on clay soil, 1979-1992. Schjonning, P., Madsen, K. B., Mikkelsen, S. A. and Jensen, H. E. (ed.) Soil Tillage for Crop Production and Protection of the Environment: Proceedings 13th International Conference of the International Soil Tillage Research Organization, Aalborg, July 1994 .

Straw disposal and cereal diseases

B - Book chapters etc edited externally

Jenkyn, J. F., Gutteridge, R. J. and Jalaluddin, M. 1994. Straw disposal and cereal diseases. in: Blakeman, J. P. and Williamson, B. (ed.) Ecology of plant pathogens CABI International, Wallingford, Oxon (CABI). pp. 285-300

The field attraction of female %Praon parasitoids to an aphid sex pheromone

C2 - Non-edited contributions to conferences

Lilley, R. I., Hardie, J., Powell, W. and Wadhams, L. J. 1993. The field attraction of female %Praon parasitoids to an aphid sex pheromone. Abstracts 5th International Symposium of the Global IOBC Working Group on the Ecology of Aphidophaga: Behavioural Ecology, Augmentation and Enhancement of Aphidophaga, Antibes, 6-10 September 1993 .

Electroantennogram and olfactometer responses of aphid parasitoids to nepetalactone, a component of aphid sex pheromones

C2 - Non-edited contributions to conferences

Hardie, J., Isaacs, R., Nazzi, F., Powell, W., Wadhams, L. J. and Woodcock, C. M. 1993. Electroantennogram and olfactometer responses of aphid parasitoids to nepetalactone, a component of aphid sex pheromones. Abstracts 5th International Symposium of the Global IOBC Working Group on the Ecology of Aphidophaga: Behavioural Ecology, Augmentation and Enhancement of Aphidophaga, Antibes, 6-10 September 1993 .

Procedure CHISQUARE

D1 - Technical reports: non-confidential

Todd, A. D. and Leech, P. K. 1993. Procedure CHISQUARE. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3 reference manual

D1 - Technical reports: non-confidential

Payne, R. W., Lane, P. W., Digby, P. G. N., Harding, S. A., Leech, P. K., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Welham, S. J. and White, Robin P. 1993. Genstat 5 Release 3 reference manual. Clarendon Press, Oxford.

Genstat 5 Release 3 reference summary

D1 - Technical reports: non-confidential

Payne, R. W., Lane, P. W., Digby, P. G. N., Harding, S. A., Leech, P. K., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Welham, S. J. and White, Robin P. 1993. Genstat 5 Release 3 reference summary. Numerical Algorithms Group, Oxford.

Effects of cover crops on soil N transformations and losses from arable land

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1993. Effects of cover crops on soil N transformations and losses from arable land. Abstracts AFRC Meeting on Nitrogen Metabolism in Plants and Soil, Silsoe College, December 1993 .

Responses of the parasitoid Praon volucre (Hymenoptera: Braconidae) to aphid sex pheromone lures in cereal fields in autumn: implications for parasitoid manipulation

A - Papers appearing in refereed journals

Powell, W., Hardie, J., Hick, A. J., Holler, C., Mann, J., Merritt, L., Nottingham, S. F., Wadhams, L. J., Witthinrich, J. and Wright, A. F. 1993. Responses of the parasitoid Praon volucre (Hymenoptera: Braconidae) to aphid sex pheromone lures in cereal fields in autumn: implications for parasitoid manipulation. European Journal of Entomology. 90, pp. 435-438.

Reduced cultivation and direct drilling for cereals in Great Britain

B - Book chapters etc edited externally

Christian, D. G. and Ball, B. C. 1993. Reduced cultivation and direct drilling for cereals in Great Britain. in: Carter, M. R. (ed.) Conservation tillage in temperate agroecosystems Lewis Publishers, Boca Raton, Florida. pp. 117-140

Sex pheromones in the cereal aphid parasitoids Praon volucre and Aphidius rhopalosiphi

A - Papers appearing in refereed journals

Decker, U. M., Powell, W. and Clark, S. J. 1993. Sex pheromones in the cereal aphid parasitoids Praon volucre and Aphidius rhopalosiphi. Entomologia Experimentalis et Applicata. 69 (1), pp. 33-39. https://doi.org/10.1111/j.1570-7458.1993.tb01725.x

Take-all in autumn-sown wheat, barley, triticale and rye grown with high and low inputs

A - Papers appearing in refereed journals

Gutteridge, R. J., Hornby, D., Hollins, T, W and Prew, R. D. 1993. Take-all in autumn-sown wheat, barley, triticale and rye grown with high and low inputs. Plant Pathology. 42 (3), pp. 425-431. https://doi.org/10.1111/j.1365-3059.1993.tb01521.x

Comparison of take-all in different cereals in monoculture and in cereal rotations

C2 - Non-edited contributions to conferences

Hornby, D. and Gutteridge, R. J. 1993. Comparison of take-all in different cereals in monoculture and in cereal rotations. Abstracts 6th International Congress of Plant Pathology, Montreal, 28 July-6 August 1993 . pp. 265

The effect of the previous crop on the growth, nitrogen uptake and yield of winter barley intended for malting

A - Papers appearing in refereed journals

Carreck, N. L. and Christian, D. G. 1993. The effect of the previous crop on the growth, nitrogen uptake and yield of winter barley intended for malting. Journal of the Science of Food and Agriculture. 62 (2), pp. 137-145. https://doi.org/10.1002/jsfa.2740620206

Effects of previous crop, sowing date, and winter and spring applications of nitrogen on the growth, nitrogen uptake and yield of winter wheat

A - Papers appearing in refereed journals

Milford, G. F. J., Penny, A., Prew, R. D., Darby, R. J. and Todd, A. D. 1993. Effects of previous crop, sowing date, and winter and spring applications of nitrogen on the growth, nitrogen uptake and yield of winter wheat. The Journal of Agricultural Science. 121 (1), pp. 1-12. https://doi.org/10.1017/S0021859600076735

New uses for old crops

C1 - Edited contributions to conferences/learned societies

Christian, D. G. 1993. New uses for old crops. Summary Notes Natural History Museum Schools Conference on Human Use of Plants, London, June 1993 .

Development of integrated arable farming systems for the UK

C1 - Edited contributions to conferences/learned societies

Prew, R. D. 1993. Development of integrated arable farming systems for the UK. Proceedings Cereals R & D Conference, Cambridge, January 1993 . Home Grown Cereals Authority (HGCA) London. pp. 242-254

Miscanthus - fuel crop for the future?

G - Articles in popular magazines and other technical publications

Christian, D. G. 1993. Miscanthus - fuel crop for the future? AFRC News. July 1993, p. 7.

Managing and maintaining long-term agricultural field experiments: the do's and the don'ts

C2 - Non-edited contributions to conferences

Leigh, R. A., Prew, R. D. and Johnston, A. E. 1993. Managing and maintaining long-term agricultural field experiments: the do's and the don'ts. Insight from Foresight. Abstracts Rothamsted 150th Anniversary Conference, Harpenden, July 1993 .

Losses of nitrate-nitrogen in water draining from under autumn-sown crops established by direct drilling or mouldboard ploughing

A - Papers appearing in refereed journals

Goss, M. J., Howse, K. R., Lane, P. W., Christian, D. G. and Harris, G. L. 1993. Losses of nitrate-nitrogen in water draining from under autumn-sown crops established by direct drilling or mouldboard ploughing. Journal of Soil Science. 44 (1), pp. 35-48.

The effect of reduced cultivation, ploughing and herbicides on the occurrence of volunteer cereal grains in winter wheat and barley

C1 - Edited contributions to conferences/learned societies

Christian, D. G. 1993. The effect of reduced cultivation, ploughing and herbicides on the occurrence of volunteer cereal grains in winter wheat and barley. Volunteer Crops as Weeds. Aspects of Applied Biology .

Management of genetics of biological control introductions

A - Papers appearing in refereed journals

Hopper, K. R., Roush, R. T. and Powell, W. 1993. Management of genetics of biological control introductions. Annual Review of Entomology. 38, pp. 27-51.

The relationship between primary parasitoids and hyperparasitoids of cereal aphids: an analysis of field data

A - Papers appearing in refereed journals

Holler, C., Borgemeister, C. W., Haardt, H. and Powell, W. 1993. The relationship between primary parasitoids and hyperparasitoids of cereal aphids: an analysis of field data. Journal of Animal Ecology. 62 (1), pp. 12-21. https://doi.org/10.2307/5478

Synomones and kairomones from plants and honeydew in susceptible and resistant varieties; their importance to natural enemies.

C2 - Non-edited contributions to conferences

Powell, W. 1992. Synomones and kairomones from plants and honeydew in susceptible and resistant varieties; their importance to natural enemies. Abstracts 19th International Congress of Entomology, Beijing, 1992 .

Genetics of biological control introductions

C2 - Non-edited contributions to conferences

Hopper, K. R., Rousch, R. T. and Powell, W. 1992. Genetics of biological control introductions. Abstracts 19th International Congress of Entomology, Beijing, 1992 .

Genetics of biological control introductions

C2 - Non-edited contributions to conferences

Hopper, K. R., Roush, R. T. and Powell, W. 1992. Genetics of biological control introductions. Abstracts 19th International Congress of Entomology, Beijing, 1992 .

Tritrophic influences on aphid parasitoids (Hym.,Braconidae:Aphidiinae)

C1 - Edited contributions to conferences/learned societies

Powell, W. 1992. Tritrophic influences on aphid parasitoids (Hym.,Braconidae:Aphidiinae).

Link Programme: Integrated farming systems

G - Articles in popular magazines and other technical publications

Prew, R. D. 1992. Link Programme: Integrated farming systems. Scott Abbott Arable Crops Station Newsletter. 3, p. 2.

Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow

A - Papers appearing in refereed journals

Jenkyn, J. F., Carter, N., Darby, R. J., Gutteridge, R. J., Mullen, L. A., Plumb, R. T., Ross, G. J. S., Todd, A. D., Widdowson, F. V. and Wood, D. W. 1992. Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow. The Journal of Agricultural Science. 119 (3), pp. 303-333. https://doi.org/10.1017/S0021859600012168

Evaluation of drainage, cultivation and crop management on the leaching of nitrate under arable crops on a clay soil

C2 - Non-edited contributions to conferences

Christian, D. G., Catt, J. A., Howse, K. R., Harris, G. L. and Goss, M. J. 1992. Evaluation of drainage, cultivation and crop management on the leaching of nitrate under arable crops on a clay soil.

The management of inputs for a sustainable arable system

C1 - Edited contributions to conferences/learned societies

Prew, R. D. 1992. The management of inputs for a sustainable arable system. Towards Sustainable Crop Production Systems: 9th Royal Show International Symposium, University of Cambridge, July 1992. Royal Agricultural Society of England (RASE), Stoneleigh. pp. 29-32

Pesticide application and deposition - their importance to pesticide leaching to surface water

C1 - Edited contributions to conferences/learned societies

Harris, G. L., Turnbull, A. B., Gilbert, A. J., Christian, D. G. and Mason, D. J. 1992. Pesticide application and deposition - their importance to pesticide leaching to surface water. Proceedings Brighton Crop Protection Conference - Pests and Diseases,1992 . pp. 477-486

Honeydew as an ovipositional stimulant for two species of syrphids

A - Papers appearing in refereed journals

Budenberg, W. J. and Powell, W. 1992. Honeydew as an ovipositional stimulant for two species of syrphids. Entomologia Experimentalis et Applicata. 64, pp. 57-61.

The influence of aphids and honeydew on the leaving rate of searching aphid parasitoids from wheat plants

A - Papers appearing in refereed journals

Budenberg, W. J., Powell, W. and Clark, S. J. 1992. The influence of aphids and honeydew on the leaving rate of searching aphid parasitoids from wheat plants. Entomologia Experimentalis et Applicata. 63 (3), pp. 259-264. https://doi.org/10.1111/j.1570-7458.1992.tb01582.x

The influence of host food plants on host recognition by four aphidiine parasitoids (Hymenoptera: Braconidae)

A - Papers appearing in refereed journals

Powell, W. and Wright, A. F. 1992. The influence of host food plants on host recognition by four aphidiine parasitoids (Hymenoptera: Braconidae). Bulletin of Entomological Research. 81 (4), pp. 449-453. https://doi.org/10.1017/S0007485300032028

Nitrogen uptake by cover crops

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Goodlass, G. and Powlson, D. S. 1992. Nitrogen uptake by cover crops. Nitrate and Farming Systems. Aspects of Applied Biology .

Effect of cultivations and herbicides on the occurrence of volunteer cereals. Final report of a 4-year grant, beginning April 1988 (HGCA Project 0086/1/87)

D1 - Technical reports: non-confidential

Christian, D. G. and Carreck, N. L. 1992. Effect of cultivations and herbicides on the occurrence of volunteer cereals. Final report of a 4-year grant, beginning April 1988 (HGCA Project 0086/1/87). Home Grown Cereals Authority (HGCA) London.

The effect of cultivation and plant establishment on nitrogen conservation on set-aside land

C1 - Edited contributions to conferences/learned societies

Hewitt, M. V., Webster, C. P. and Bacon, E. T. G. 1992. The effect of cultivation and plant establishment on nitrogen conservation on set-aside land. Set-aside. British Crop Protection Council Monograph.

The effectiveness of winter cover crops in minimising nitrogen leaching loss

C1 - Edited contributions to conferences/learned societies

Webster, C. P., Macdonald, A. J., Poulton, P. R. and Christian, D. G. 1992. The effectiveness of winter cover crops in minimising nitrogen leaching loss. Scaife, A. (ed.) Proceedings Second Congress of the European Society for Agronomy, Warwick University, 23-28 August 1992. European Society for Agronomy, Wellesbourne. pp. 380-381

Strategies to reduce nitrate leaching by crop rotation, minimal cultivation and straw incorporation in the Brimstone Farm Experiment, Oxfordshire

C1 - Edited contributions to conferences/learned societies

Catt, J. A., Christian, D. G., Goss, M. J., Harris, G. L. and Howse, K. R. 1992. Strategies to reduce nitrate leaching by crop rotation, minimal cultivation and straw incorporation in the Brimstone Farm Experiment, Oxfordshire. Nitrate and Farming Systems. Aspects of Applied Biology .

Effects of sowing winter barley on different dates in autumn on the severity of take-all (Gaeumannomyces graminis var. tritici) in those and the subsequent crops

A - Papers appearing in refereed journals

Jenkyn, J. F., Gutteridge, R. J. and Todd, A. D. 1992. Effects of sowing winter barley on different dates in autumn on the severity of take-all (Gaeumannomyces graminis var. tritici) in those and the subsequent crops. The Journal of Agricultural Science. 119 (1), pp. 19-25. https://doi.org/10.1017/S0021859600071501

N uptake by barley related to malting quality

D1 - Technical reports: non-confidential

Carreck, N. L. and Christian, D. G. 1992. N uptake by barley related to malting quality. Home Grown Cereals Authority (HGCA).

Ecology and population dynamics: Chairman's summing up and comments for the session on ecology and population dynamics

C2 - Non-edited contributions to conferences

Powell, W. 1991. Ecology and population dynamics: Chairman's summing up and comments for the session on ecology and population dynamics. Proceedings 4th European Parasitoid Workshop, Perugia, Italy, 3-5 April 1991 . pp. 5-6

Fungal pathogens of grain lupins 1986-1991

C1 - Edited contributions to conferences/learned societies

Bateman, G. L., Jenkyn, J. F., Johnson, S. A. and Da Silva, L. 1991. Fungal pathogens of grain lupins 1986-1991. Production and Protection of Legumes. Aspects of Applied Biology .

The effects of straw disposal and depth of cultivation on the growth, nutrient uptake and yield of winter wheat on a clay and a silt soil

A - Papers appearing in refereed journals

Christian, D. G. and Bacon, E. T. G. 1991. The effects of straw disposal and depth of cultivation on the growth, nutrient uptake and yield of winter wheat on a clay and a silt soil. Soil Use and Management. 7 (4), pp. 217-222. https://doi.org/10.1111/j.1475-2743.1991.tb00877.x

Biochemical interactions between plant-herbivore-parasitoid

C1 - Edited contributions to conferences/learned societies

Pickett, J. A., Powell, W., Wadhams, L. J., Woodcock, C. M. and Wright, A. F. 1991. Biochemical interactions between plant-herbivore-parasitoid. Insect Parasitoids: 4th European Workshop, Perugia, April 1991.

Studies on the patterns of nitrogen uptake and translocation to the grain of winter barley intended for malting

A - Papers appearing in refereed journals

Carreck, N. L. and Christian, D. G. 1991. Studies on the patterns of nitrogen uptake and translocation to the grain of winter barley intended for malting. Annals of Applied Biology - AAB. 119 (3), pp. 549-559. https://doi.org/10.1111/j.1744-7348.1991.tb04894.x

Effects of fungicides, applied in autumn, and a growth regulator, applied in spring, on the growth and yield of winter barley grown on contrasting soil types

A - Papers appearing in refereed journals

Jenkyn, J. F., Gutteridge, R. J. and Todd, A. D. 1991. Effects of fungicides, applied in autumn, and a growth regulator, applied in spring, on the growth and yield of winter barley grown on contrasting soil types. The Journal of Agricultural Science. 117 (3), pp. 287-297. https://doi.org/10.1017/S0021859600067010

Crop yield and uptake of nitrogen

C1 - Edited contributions to conferences/learned societies

Christian, D. G. 1991. Crop yield and uptake of nitrogen. Catt, J. A. (ed.) The Brimstone Experiment Proceedings of a Conference on Collaborative Work by ADAS Field Drainage Experimental Unit and Rothamsted Experimental Station, 15-16 October, 1991. Lawes Agricultural Trust, (LAT) Harpenden. pp. 41-53

Cereal aphids and their natural enemies

C1 - Edited contributions to conferences/learned societies

Wratten, S. D. and Powell, W. 1991. Cereal aphids and their natural enemies. Carter, N., Potts, G. R., Darbyshire, J. F. and Firbank, L. G. (ed.) The Ecology of Temperate Cereal Fields. Proceedings 32nd Symposium of the British Ecological Society with the Association of Applied Biologists, University of Cambridge, 1991. Blackwell Scientific Publications, Oxford. pp. 233-257

The influence of semiochemicals on the behaviour of cereal aphid parasitoids (Hymenoptera)

C1 - Edited contributions to conferences/learned societies

Powell, W., Decker, U. M. and Budenberg, W. J. 1991. The influence of semiochemicals on the behaviour of cereal aphid parasitoids (Hymenoptera). Chambers, R. J., Hodek, I., Dixon, A. F. G. and Polgar, L. (ed.) Behaviour and impact of Aphidophaga. SPB Academic Publishing, The Hague. pp. 67-71

Synthetic aphid sex pheromone lures female parasitoids

A - Papers appearing in refereed journals

Hardie, J., Nottingham, S. F., Powell, W. and Wadhams, L. J. 1991. Synthetic aphid sex pheromone lures female parasitoids. Entomologia Experimentalis et Applicata. 61 (1), pp. 97-99.

Evaluation of 'Seamac 600' applied to winter barley

C2 - Non-edited contributions to conferences

Jenkyn, J. F. and Baxter, E. D. 1991. Evaluation of 'Seamac 600' applied to winter barley.

The agronomy of straw incorporation

C2 - Non-edited contributions to conferences

Prew, R. D. 1991. The agronomy of straw incorporation. Extracted from the summary of Changing straw disposal practices:H-GCA Review No 11. Home Grown Cereals Authority (HGCA) London. pp. 1-3

Some effects of straw residues and cultivation system on tillering in winter wheat

A - Papers appearing in refereed journals

Bacon, E. T. G. and Christian, D. G. 1991. Some effects of straw residues and cultivation system on tillering in winter wheat. Journal of the Science of Food and Agriculture. 54 (1), pp. 61-69. https://doi.org/10.1002/jsfa.2740540108

Agronomic aspects of straw incorporation

G - Articles in popular magazines and other technical publications

Prew, R. D., Cussans, G. W., Glen, D. M. and Jenkyn, J. F. 1990. Agronomic aspects of straw incorporation. Agricultural Progress. 65, pp. 39-46.

Toxins and straw residues

C2 - Non-edited contributions to conferences

Prew, R. D. and Bacon, E. T. G. 1990. Toxins and straw residues. RASE/ADAS Conference on Burning Straw, Stonleigh, 1990. pp. 1-3

Agronomic aspects of straw incorporation

C1 - Edited contributions to conferences/learned societies

Prew, R. D., Cussans, G. W., Glen, D. M. and Jenkyn, J. F. 1990. Agronomic aspects of straw incorporation. pp. 39-45

Growing barley for malting - a review (HGCA Project 0025/1/87)

D1 - Technical reports: non-confidential

Carreck, N. L. and Christian, D. G. 1990. Growing barley for malting - a review (HGCA Project 0025/1/87).

Effects of take-all on some aspects of grain quality of winter wheat

C1 - Edited contributions to conferences/learned societies

Bateman, G. L., Hornby, D. and Gutteridge, R. J. 1990. Effects of take-all on some aspects of grain quality of winter wheat. Cereal Quality II. Aspects of Applied Biology 25. pp. 339-348

Effects of premature or delayed harvesting on the quality of barley for malting

C1 - Edited contributions to conferences/learned societies

Baxter, E. D. and Jenkyn, J. F. 1990. Effects of premature or delayed harvesting on the quality of barley for malting. Cereal Quality II. Aspects of Applied Biology 25. pp. 177-182

Conservation and manipulation of aphid parasitoids

C1 - Edited contributions to conferences/learned societies

Powell, W., Budenberg, W. J., Decker, U. M. and Wright, A. F. 1990. Conservation and manipulation of aphid parasitoids. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1990. pp. 185-690

A long-term comparison of ploughing, tine cultivation and direct drilling on the growth and yield of winter cereals and oilseed rape on clayey and silty soils

A - Papers appearing in refereed journals

Christian, D. G. and Bacon, E. T. G. 1990. A long-term comparison of ploughing, tine cultivation and direct drilling on the growth and yield of winter cereals and oilseed rape on clayey and silty soils. Soil & Tillage Research. 18 (4), pp. 311-331. https://doi.org/10.1016/0167-1987(90)90117-V

Experiments in England and France on fertilisers, fungicides and agronomic practices to decrease take-all.

C1 - Edited contributions to conferences/learned societies

Hornby, D., Bateman, G. L. and Gutteridge, R. J. 1990. Experiments in England and France on fertilisers, fungicides and agronomic practices to decrease take-all. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1990.. pp. 771-776.

Effects of defoliation at different growth stages and in different grain-filling environments on the growth and yield of spring barley.

A - Papers appearing in refereed journals

Jenkyn, J. F. and Anilkumar, T. B. 1990. Effects of defoliation at different growth stages and in different grain-filling environments on the growth and yield of spring barley. Annals of Applied Biology - AAB. 116 (3), pp. 591-599. https://doi.org/10.1111/j.1744-7348.1990.tb06642.x

The dynamics of nitrogen accumulation in barley grain and malting quality.

G - Articles in popular magazines and other technical publications

Carreck, N. L., Christian, D. G. and Jenkyn, J. F. 1990. The dynamics of nitrogen accumulation in barley grain and malting quality. Ferment. 3, pp. 180-182.

Electrophoresis as a tool for estimating levels of hymenopterous parasitism in field populations of the cereal aphid, Sitobion avenae .

A - Papers appearing in refereed journals

Walton, M. P., Powell, W., Loxdale, H. D. and Allen-Williams, L. J. 1990. Electrophoresis as a tool for estimating levels of hymenopterous parasitism in field populations of the cereal aphid, Sitobion avenae . Entomologia Experimentalis et Applicata. 54 (3), pp. 271-279.

Effects of irrigation, N fertilizer, cutting frequency and pesticides on ryegrass, ryegrass–clover mixtures, clover and lucerne grown on heavy and light land

A - Papers appearing in refereed journals

McEwen, J., Day, W., Henderson, I. F., Johnston, A. E., Plumb, R. T., Poulton, P. R., Spaull, A. M., Stribley, D. P., Todd, A. D. and Yeoman, D. P. 1989. Effects of irrigation, N fertilizer, cutting frequency and pesticides on ryegrass, ryegrass–clover mixtures, clover and lucerne grown on heavy and light land. The Journal of Agricultural Science. 112 (2), pp. 227-247. https://doi.org/10.1017/S0021859600085130

The use of electrophoresis in the study of hymenopteran parasitoids of agricultural pests.

B - Book chapters etc edited externally

Powell, W. and Walton, M. P. 1989. The use of electrophoresis in the study of hymenopteran parasitoids of agricultural pests. in: Electrophoretic studies on agricultural pests. Systematics Association Special Volume H.D. Loxdale & J. Den Hollander eds Clarendon Press, Oxford.

Growing barley for malting - a review.

B - Book chapters etc edited externally

Carreck, N. L. and Christian, D. G. 1989. Growing barley for malting - a review. in: Home Grown Cereals Authority (HGCA).

Genstat 5 release 2 reference summary . 97pp.

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Ainsley, A. E., Bicknell, K. E., Digby, P. G. N., Harding, S. A., Leech, P. K., Simpson, H. R., Todd, A. D., Welham, S. J., White, Robin P., Gower, J. C., Tunnicliffe Wilson, G. and Verrier, P. J. 1989. Genstat 5 release 2 reference summary . 97pp.

A data organisation system for field experiments.

G - Articles in popular magazines and other technical publications

Ainsley, A. E. and Todd, A. D. 1989. A data organisation system for field experiments. Genstat newsletter. 23, pp. 29-37.

Procedure APLOT.

D1 - Technical reports: non-confidential

Todd, A. D. 1989. Procedure APLOT. Numerical Algorithms Group, Oxford.

Farmers' trials - can they help?

G - Articles in popular magazines and other technical publications

Prew, R. D. and Donaldson, J. V. G. 1989. Farmers' trials - can they help? The Agronomist. 2, pp. 1-3.

Effectiveness of different insecticides applied at various growth stages to control aphids on winter wheat.

A - Papers appearing in refereed journals

Carter, N., Powell, W., Wright, A. F. and Ashby, J. E. 1989. Effectiveness of different insecticides applied at various growth stages to control aphids on winter wheat. Crop Protection. 8, pp. 271-276.

Interactions between plots in experiments with the splash-dispersed pathogen (Rhynchosporium secalis ) on winter barley.

A - Papers appearing in refereed journals

Jenkyn, J. F., Dyke, G. V., Stedman, O. J. and Todd, A. D. 1989. Interactions between plots in experiments with the splash-dispersed pathogen (Rhynchosporium secalis ) on winter barley. The Journal of Agricultural Science. 112 (1), pp. 97-114. https://doi.org/10.1017/S002185960008415X

Effects of straw inoculum and fungicides on leaf blotch (Rhynchosporium secalis ), growth and yield of winter barley.

A - Papers appearing in refereed journals

Jenkyn, J. F., Stedman, O. J., Dyke, G. V. and Todd, A. D. 1989. Effects of straw inoculum and fungicides on leaf blotch (Rhynchosporium secalis ), growth and yield of winter barley. The Journal of Agricultural Science. 112 (1), pp. 85-95. https://doi.org/10.1017/S0021859600084148

Changing straw disposal practices .

E - Books edited/written by staff member, alone/with others

Prew, R. D. and Smith, B. D. 1988. Changing straw disposal practices .

Establishment and early growth.

B - Book chapters etc edited externally

Christian, D. G. and Bacon, E. T. G. 1988. Establishment and early growth. in: Changing straw disposal practices. R.D. Prew & B.D. Smith eds Home Grown Cereals Authority (HGCA) London. pp. 15-18

Diseases.

B - Book chapters etc edited externally

Prew, R. D. 1988. Diseases. in: Changing straw disposal practices. R.D. Prew & B.D. Smith eds Home Grown Cereals Authority (HGCA) London. pp. 37-40

Introduction.

B - Book chapters etc edited externally

Prew, R. D. 1988. Introduction. in: Changing straw disposal practices. R.D. Prew & B.D. Smith eds Home Grown Cereals Authority (HGCA) London. pp. 3-6

Observations on the effects of an autumn application of a pyrethroid insecticide on non-target predatory species in winter cereals.

C1 - Edited contributions to conferences/learned societies

Purvis, G., Carter, N. and Powell, W. 1988. Observations on the effects of an autumn application of a pyrethroid insecticide on non-target predatory species in winter cereals. Integrated crop protection in cereals. Proceedings of the EC Experts' Group Meeting, Littlehampton, 1986. Eds R. Cavalloro & K. Sunderland. pp. 153-159

Effects of treatments to perennial ryegrass on the development of Septoria spp. in a subsequent crop of winter wheat.

A - Papers appearing in refereed journals

Jenkyn, J. F. and King, J. E. 1988. Effects of treatments to perennial ryegrass on the development of Septoria spp. in a subsequent crop of winter wheat. Plant Pathology. 37 (1), pp. 112-119. https://doi.org/10.1111/j.1365-3059.1988.tb02202.x

Effects of straw incorporation and cultivations on cereal diseases.

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F., Gutteridge, R. J. and Thomas, M. R. 1988. Effects of straw incorporation and cultivations on cereal diseases. Environmental aspects of applied biology. Aspects of Applied Biology 17(2).

Honeydew as a kairomone for aphid parasitoids and hyperparasitoids.

C1 - Edited contributions to conferences/learned societies

Budenberg, W. J. and Powell, W. 1988. Honeydew as a kairomone for aphid parasitoids and hyperparasitoids. &nbsp;Proceedings British Crop Protection Conference - Pests and Diseases, Brighton, 1988, 1149-1154..

The cultivation of clay soil.

C2 - Non-edited contributions to conferences

Goss, M. J., Christian, D. G., Howse, K. R. and Bacon, E. T. G. 1988. The cultivation of clay soil. Cultivations and design . BSRAE Association Members Day Programme. p.37.

The abilities of the aphid parasitoids Aphidius ervi Haliday and A. rhopalosiphi De Stefani Perez (Hymenoptera: Braconidae) to transfer between different known host species and the implications for the use of alternative hosts in pest control strategies.

A - Papers appearing in refereed journals

Powell, W. and Wright, A. F. 1988. The abilities of the aphid parasitoids Aphidius ervi Haliday and A. rhopalosiphi De Stefani Perez (Hymenoptera: Braconidae) to transfer between different known host species and the implications for the use of alternative hosts in pest control strategies. Bulletin of Entomological Research. 78 (4), pp. 683-693. https://doi.org/10.1017/S0007485300015546

Known and supposed factors affecting take-all in winter wheat.

C2 - Non-edited contributions to conferences

Hornby, D. and Gutteridge, R. J. 1988. Known and supposed factors affecting take-all in winter wheat. Abstracts 5th International Congress of Plant Pathology, Kyoto, 1988,&nbsp;191&nbsp;&nbsp;.

Activity of triadimefon vapour against Erysiphe graminis f. sp. hordei .

A - Papers appearing in refereed journals

Jenkyn, J. F. and White, N. 1988. Activity of triadimefon vapour against Erysiphe graminis f. sp. hordei . Annals of Applied Biology - AAB. 113 (1), pp. 15-25. https://doi.org/10.1111/j.1744-7348.1988.tb03277.x

Mechanisms by which straw residues can limit the use of simplified tillage for winter wheat.

C2 - Non-edited contributions to conferences

Smallfield, B. M., Goss, M. J. and Christian, D. G. 1988. Mechanisms by which straw residues can limit the use of simplified tillage for winter wheat. Tillage and traffic in crop production. 11th International Conference. International Soil Tillage Research Organization, Edinburgh, 1988. Edinburgh : Scottish Centre for Agricultural Engineering. pp. 863-868

Cultivation systems for clay soils.

C2 - Non-edited contributions to conferences

Goss, M. J., Christian, D. G., Howse, K. R. and Bacon, E. T. G. 1988. Cultivation systems for clay soils. Tillage and traffic in crop production. 11th International Conference. International Soil Tillage Research Organization, Edinburgh, 1988. Edinburgh : Scottish Centre for Agricultural Engineering. pp. 673-678

Straw residue management for autumn-sown cereals grown on a clay soil, 1979-1987

C2 - Non-edited contributions to conferences

Christian, D. G., Bacon, E. T. G., Jenkyn, J. F., Glen, D. M. and Gutteridge, R. J. 1988. Straw residue management for autumn-sown cereals grown on a clay soil, 1979-1987. Tillage and traffic in crop production. 11th International Conference. International Soil Tillage Research Organization, Edinburgh, 1988. Edinburgh : Scottish Centre for Agricultural Engineering. pp. 607-611

The effect of depth of straw incorporation on the growth and yield of winter wheat on a clay and a silt loam soil.

C2 - Non-edited contributions to conferences

Christian, D. G., Bacon, E. T. G., Miller, D. P. and Nash, C. 1988. The effect of depth of straw incorporation on the growth and yield of winter wheat on a clay and a silt loam soil. Tillage and traffic in crop production. 11th International Conference. International Soil Tillage Research Organization, Edinburgh, 1988. Edinburgh : Scottish Centre for Agricultural Engineering. pp. 613-617

The straw incorporation problem.

C1 - Edited contributions to conferences/learned societies

Prew, R. D. and Lord, E. I. 1988. The straw incorporation problem. Environmental aspects of applied biology. Aspects of Applied Biology 17 , 163-171..

Estimation of radiation interception by winter wheat from measurements of leaf area

A - Papers appearing in refereed journals

Thorne, G. N., Pearman, I., Day, W. and Todd, A. D. 1988. Estimation of radiation interception by winter wheat from measurements of leaf area. The Journal of Agricultural Science. 110 (1), pp. 101-108. https://doi.org/10.1017/S0021859600079740

Contrast between sandy and clay soils in the effects of various factors on the growth, nitrogen uptake and yield of winter wheat in three years.

A - Papers appearing in refereed journals

Thorne, G. N., Welbank, P. J., Widdowson, F. V., Penny, A. and Todd, A. D. 1988. Contrast between sandy and clay soils in the effects of various factors on the growth, nitrogen uptake and yield of winter wheat in three years. The Journal of Agricultural Science. 110 (1), pp. 119-140. https://doi.org/10.1017/S0021859600079764

A comparison of tine cultivation and ploughing with two methods of straw disposal on the growth, nutrient uptake and yield of winter wheat grown on a clay soil.

A - Papers appearing in refereed journals

Christian, D. G. and Bacon, E. T. G. 1988. A comparison of tine cultivation and ploughing with two methods of straw disposal on the growth, nutrient uptake and yield of winter wheat grown on a clay soil. Soil Use and Management. 4 (2), pp. 51-57. https://doi.org/10.1111/j.1475-2743.1988.tb00736.x

Comparison of the effects of spring applications of ammonium chloride and other nitrogen fertilizers on take-all in winter wheat.

A - Papers appearing in refereed journals

Gutteridge, R. J., Bateman, G. L. and Hornby, D. 1987. Comparison of the effects of spring applications of ammonium chloride and other nitrogen fertilizers on take-all in winter wheat. The Journal of Agricultural Science. 108 (3), pp. 567-572. https://doi.org/10.1017/S002185960007996X

The growth and yield of winter wheat following ten years of continuous ploughing, shallow-tine cultivation or direct drilling on a non-calcareous clay soil.

A - Papers appearing in refereed journals

Ayling, S. M., Bacon, E. T. G., Christian, D. G. and Goss, M. J. 1987. The growth and yield of winter wheat following ten years of continuous ploughing, shallow-tine cultivation or direct drilling on a non-calcareous clay soil. The Journal of Agricultural Science. 108 (2), pp. 335-340. https://doi.org/10.1017/S002185960007934X

Spore dispersal and plant disease gradients; a comparison between two empirical models.

A - Papers appearing in refereed journals

Fitt, B. D. L., Gregory, P. H., Todd, A. D., McCartney, H. A. and Macdonald, O. C. 1987. Spore dispersal and plant disease gradients; a comparison between two empirical models. Journal of Phytopathology. 118 (3), pp. 227-242. https://doi.org/10.1111/j.1439-0434.1987.tb00452.x

Accurate estimation of invertebrate density in cereals.

G - Articles in popular magazines and other technical publications

Sunderland, K. D., Hawkes, C., Stevenson, J. H., Mcbride, T., Smart, L. E., Sopp, P. I., Powell, W., Chambers, R. J. and Carter, O. C. R. 1987. Accurate estimation of invertebrate density in cereals. Bulletin IOBC/WPRS/SROP . 10, pp. 71-81.

Genstat 5 reference manual.

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Ainsley, A. E., Bicknell, K. E., Digby, P. G. N., Harding, S. A., Leech, P. K., Simpson, H. R., Todd, A. D., Verrier, P. J., White, Robin P., Gower, J. C., Tunnicliffe Wilson, G. and Paterson, L. J. 1987. Genstat 5 reference manual.

Some factors affecting the growth and yield of winter wheat grown as a third cereal with much or negligible take-all

A - Papers appearing in refereed journals

Prew, R. D., Beane, J., Carter, N., Church, B. M., Dewar, A. M., Lacey, J., Penny, A., Plumb, R. T., Thorne, G. N. and Todd, A. D. 1986. Some factors affecting the growth and yield of winter wheat grown as a third cereal with much or negligible take-all. The Journal of Agricultural Science. 107 (3), pp. 639-671. https://doi.org/10.1017/S0021859600069811

Compaction of a silt loam by wheeled agricultural vehicles. II. Effects on growth and yield of direct- drilled winter wheat.

A - Papers appearing in refereed journals

Graham, J. P., Blackwell, P. S., Armstrong, J. V., Christian, D. G., Howse, K. R., Dawson, C. J. and Butler, A. R. 1986. Compaction of a silt loam by wheeled agricultural vehicles. II. Effects on growth and yield of direct- drilled winter wheat. Soil & Tillage Research. 7 (3), pp. 189-203. https://doi.org/10.1016/0167-1987(86)90463-0

Interference between parasitoids (Hym.: Aphididae) and fungi (Entomophthorales) attacking cereal aphids.

A - Papers appearing in refereed journals

Powell, W., Wilding, N., Brobyn, P. J. and Clark, S. J. 1986. Interference between parasitoids (Hym.: Aphididae) and fungi (Entomophthorales) attacking cereal aphids. Entomophaga. 31, pp. 293-302. https://doi.org/10.1007/BF02373339

Straw incorporation by different tillage systems the effect on growth and yield of winter oats.

A - Papers appearing in refereed journals

Christian, D. G. and Miller, D. P. 1986. Straw incorporation by different tillage systems the effect on growth and yield of winter oats. Soil & Tillage Research. 8, pp. 239-252.

A Study of mole drainage with simplified cultivation for autumn-sown crops on a clay soil. 4. A comparison of direct drilling and mouldboard ploughing on drained and undrained land on root and shoot growth, nutrient uptake and yield.

A - Papers appearing in refereed journals

Cannell, R. Q., Christian, D. G. and Henderson, F. K. G. 1986. A Study of mole drainage with simplified cultivation for autumn-sown crops on a clay soil. 4. A comparison of direct drilling and mouldboard ploughing on drained and undrained land on root and shoot growth, nutrient uptake and yield. Soil & Tillage Research. 7 (3), pp. 251-272. https://doi.org/10.1016/0167-1987(86)90468-X

The influence of weeds on aphid-specific natural enemies in winter wheat.

A - Papers appearing in refereed journals

Powell, W., Dean, G. J. and Wilding, N. 1986. The influence of weeds on aphid-specific natural enemies in winter wheat. Crop Protection. 5, pp. 182-189.

The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at Rothamsted from 1981 to 1983.

A - Papers appearing in refereed journals

Widdowson, F. V., Darby, R. J., Dewar, A. M., Jenkyn, J. F., Kerry, B. R., Lawlor, D. W., Plumb, R. T., Ross, G. J. S., Scott, G. C., Todd, A. D. and Wood, D. W. 1986. The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at Rothamsted from 1981 to 1983. The Journal of Agricultural Science. 106, pp. 551-574. https://doi.org/10.1017/S0021859600063437

Results from experiments on winter barley measuring the effects of amount and timing of nitrogen and some other factors on the yield and nitrogen content of the grain

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Jenkyn, J. F. 1986. Results from experiments on winter barley measuring the effects of amount and timing of nitrogen and some other factors on the yield and nitrogen content of the grain. The Journal of Agricultural Science. 106 (3), pp. 537-549. https://doi.org/10.1017/S0021859600063425

Take-all distribution and soil type on Chalky Boulder clay.

A - Papers appearing in refereed journals

Catt, J. A., Gutteridge, R. J. and Slope, D. B. 1986. Take-all distribution and soil type on Chalky Boulder clay. The Journal of Agricultural Science. 106 (1), pp. 61-66. https://doi.org/10.1017/S0021859600061748

Biocontrol of cereal aphids in the United Kingdom by a range of natural enemies.

G - Articles in popular magazines and other technical publications

Powell, W. 1986. Biocontrol of cereal aphids in the United Kingdom by a range of natural enemies.

Enhancing parasitoid activity in crops.

G - Articles in popular magazines and other technical publications

Powell, W. 1986. Enhancing parasitoid activity in crops.

Assessment of resistance of commercial varieties of winter-wheat to cereal aphids

A - Papers appearing in refereed journals

Dewar, A. M., Carter, N. and Powell, W. 1985. Assessment of resistance of commercial varieties of winter-wheat to cereal aphids. Annals of Applied Biology - AAB. 106, pp. 168-169.

Some factors limiting the growth and yield of winter-wheat and their variation in 2 seasons

A - Papers appearing in refereed journals

Prew, R. D., Church, B. M., Dewar, A. M., Lacey, J., Magan, N., Penny, A., Plumb, R. T., Thorne, G. N., Todd, A. D. and Williams, T. D. 1985. Some factors limiting the growth and yield of winter-wheat and their variation in 2 seasons. The Journal of Agricultural Science. 104 (1), pp. 135-162. https://doi.org/10.1017/s0021859600043070

Tests of amounts and times of application of nitrogen and of sequential sprays of aphicide and fungicides on winter wheat, following either beans or wheat, and the effects of take-all (Gaeumannomyces graminis var. tritici ), on two varieties at Saxmundham, Suffolk 1980-3

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A., Gutteridge, R. J., Darby, R, J. and Hewitt, M. V. 1985. Tests of amounts and times of application of nitrogen and of sequential sprays of aphicide and fungicides on winter wheat, following either beans or wheat, and the effects of take-all (Gaeumannomyces graminis var. tritici ), on two varieties at Saxmundham, Suffolk 1980-3. The Journal of Agricultural Science. 105, pp. 97-122. https://doi.org/10.1017/S0021859600055775

Effects of pirimicarb, dimethoate and benomyl on natural enemies of cereal aphids in winter wheat

A - Papers appearing in refereed journals

Powell, W., Dean, G. J. and Bardner, R. 1985. Effects of pirimicarb, dimethoate and benomyl on natural enemies of cereal aphids in winter wheat. Annals of Applied Biology - AAB. 106 (2), pp. 235-242. https://doi.org/10.1111/j.1744-7348.1985.tb03113.x

The influence of weeds on polyphagous arthropod predators in winter wheat

A - Papers appearing in refereed journals

Powell, W., Dean, G. J. and Dewar, A. 1985. The influence of weeds on polyphagous arthropod predators in winter wheat. Crop Protection. 4, pp. 298-312.

Interference between plots in experiments with plant pathogens

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F. and Dyke, G. V. 1985. Interference between plots in experiments with plant pathogens. Field Trials Methods and Data Handling. Aspects of Applied Biology 10 . Association of Applied Biologists (AAB). pp. 75-85

Rothamsted Multidisciplinary Agronomy

A - Papers appearing in refereed journals

Thorne, G. N., Prew, R. D., williams, Lacey, J., Plumb, R. T., Hirsch, P. R., Church, B. M., Todd, A. D. and Carter, N. 1984. Rothamsted Multidisciplinary Agronomy. Rothamsted Experimental Station Report. 1984 (part 1), pp. 23-38.

Pheromones in the management of beneficial insects

A - Papers appearing in refereed journals

Pickett, J. A., Dawson, G. W., Free, J. B., Griffiths, D. C., Powell, W., Williams, I. M. and Woodcock, C. M. 1984. Pheromones in the management of beneficial insects. Proceedings of the British Crop Protection Council. 1, pp. 247-254.

Pheromones in the management of beneficial insects

A - Papers appearing in refereed journals

Dawson, G. W., Free, J. B., Griffiths, D. C., Powell, W., Williams, I. M. and Woodcock, C. M. 1984. Pheromones in the management of beneficial insects. Proceedings of the British Crop Protection Council. 1, pp. 247-254.

A study of mole drainage with simplified cultivation for autumn-sown crops on a clay soil 3 Agronomy, root and shoot growth of winter-wheat 1978-80

A - Papers appearing in refereed journals

Ellis, F. B., Christian, D. G., Bragg, P. L., Henderson, F. K. G., Prew, R. D. and Cannell, R. Q. 1984. A study of mole drainage with simplified cultivation for autumn-sown crops on a clay soil 3 Agronomy, root and shoot growth of winter-wheat 1978-80. The Journal of Agricultural Science. 102 (3), pp. 583-594. https://doi.org/10.1017/s002185960004212x

Experiments to examine the significance of ammonia evolution from barley seedlings infected with the powdery mildew fungus, Erysiphe graminis f.sp. hordei

A - Papers appearing in refereed journals

Jenkyn, J. F. and Finney, M. E. 1984. Experiments to examine the significance of ammonia evolution from barley seedlings infected with the powdery mildew fungus, Erysiphe graminis f.sp. hordei. The Journal of Agricultural Science. 102 (3), pp. 679-685. https://doi.org/10.1017/s0021859600042234

Reservoirs for Aphidius ervi Haliday (Hymenoptera: Aphidiidae), a polyphagous parasitoid of cereal aphids (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Cameron, P. J., Powell, W. and Loxdale, H. D. 1984. Reservoirs for Aphidius ervi Haliday (Hymenoptera: Aphidiidae), a polyphagous parasitoid of cereal aphids (Hemiptera: Aphididae). Bulletin of Entomological Research. 74 (4), pp. 647-656. https://doi.org/10.1017/S0007485300014024

Biological effectiveness of electrostatically charged rotary atomisers. II. Trials with cereals, 1982

A - Papers appearing in refereed journals

Arnold, A. J., Cayley, G. R., Dunne, Y., Etheridge, P., Griffiths, D. C., Jenkyn, J. F., Philips, F. T., Pye, B. J., Scott, G. C. and Woodcock, C. M. 1984. Biological effectiveness of electrostatically charged rotary atomisers. II. Trials with cereals, 1982. Annals of Applied Biology - AAB. 105 (2), pp. 361-367. https://doi.org/10.1111/j.1744-7348.1984.tb03060.x

Effects of powdery mildew on grain filling in spring barley in contrasting environments

A - Papers appearing in refereed journals

Jenkyn, J. F. 1984. Effects of powdery mildew on grain filling in spring barley in contrasting environments. Annals of Applied Biology - AAB. 105 (2), pp. 195-212. https://doi.org/10.1111/j.1744-7348.1984.tb03044.x

Rothamsted Multidisciplinary Agronomy

A - Papers appearing in refereed journals

Thorne, G. N., Dewar, A. M., Prew, R. D., williams, Lacey, J., Plumb, R. T., Hirsch, P. R., Church, B. M. and Todd, A. D. 1983. Rothamsted Multidisciplinary Agronomy. Rothamsted Experimental Station Report. 1983 (part 1), pp. 21-36.

The role of parasitoids in limiting cereal aphid populations

B - Book chapters etc edited externally

Powell, W. 1983. The role of parasitoids in limiting cereal aphid populations. in: Cavalloro, R. (ed.) Rotterdam, Netherlands A.A. Balkema. pp. 50-56

A multidisciplinary approach for evaluating factors which affect cereal yields

A - Papers appearing in refereed journals

Lester, E. and Prew, R. D. 1983. A multidisciplinary approach for evaluating factors which affect cereal yields. Monograph - Royal Agricultural Society of England. 1.

Effects of barley powdery mildew on grain filling in contrasting environments

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F. 1983. Effects of barley powdery mildew on grain filling in contrasting environments. Plant protection for human welfare: proceedings 10th International Congress of Plant Protection, Brighton, 20-25 November 1983. Volume 1. British Crop Protection Council (BCPC).

The Broadbalk wheat experiment 1968-78 : yields and plant nutrients in crops grown continuously and in rotation

A - Papers appearing in refereed journals

Dyke, G. V., George, B. J., Johnston, A. E., Poulton, P. R. and Todd, A. D. 1983. The Broadbalk wheat experiment 1968-78 : yields and plant nutrients in crops grown continuously and in rotation. Rothamsted Experimental Station Report. (2), pp. 5-44. https://doi.org/10.23637/ERADOC-1-34179

The reactions of two cereal aphid parasitoids, aphidius-uzbekistanicus and aphidius-ervi to host aphids and their food-plants

A - Papers appearing in refereed journals

Powell, W. and Zhang, Z. L. 1983. The reactions of two cereal aphid parasitoids, aphidius-uzbekistanicus and aphidius-ervi to host aphids and their food-plants. Physiological Entomology. 8 (4), pp. 439-443. https://doi.org/10.1111/j.1365-3032.1983.tb00378.x

Experiments with solid and liquid N-fertilizers and fungicides on winter wheat at Saxmundham, Suffolk, 1976–9

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Jenkyn, J. F. 1983. Experiments with solid and liquid N-fertilizers and fungicides on winter wheat at Saxmundham, Suffolk, 1976–9. The Journal of Agricultural Science. 100 (1), pp. 163-173. https://doi.org/10.1017/s0021859600032573

Effects of nitrogen fertilizer and tridemorph on mildew, growth and yield of spring barley 1975–7

A - Papers appearing in refereed journals

Jenkyn, J. F., Finney, M. E. and Dyke, G. V. 1983. Effects of nitrogen fertilizer and tridemorph on mildew, growth and yield of spring barley 1975–7. The Journal of Agricultural Science. 101 (3), pp. 517-546. https://doi.org/10.1017/s0021859600038557

Effects of fungicides and insecticides applied to spring barley sown on different dates in 1976-79

A - Papers appearing in refereed journals

Jenkyn, J. F. and Plumb, R. T. 1983. Effects of fungicides and insecticides applied to spring barley sown on different dates in 1976-79. Annals of Applied Biology - AAB. 102 (3), pp. 421-433. https://doi.org/10.1111/j.1744-7348.1983.tb02715.x

Effects of fungicide movement between plots in field experiments

A - Papers appearing in refereed journals

Jenkyn, J. F., Dyke, G. V. and Todd, A. D. 1983. Effects of fungicide movement between plots in field experiments. Plant Pathology. 32 (3), pp. 311-324. https://doi.org/10.1111/j.1365-3059.1983.tb02839.x

Effects of eight factors on the growth and nutrient-uptake of winter-wheat and on the incidence of pests and diseases

A - Papers appearing in refereed journals

Prew, R. D., Church, B. M., Dewar, A. M., Lacey, J., Penny, A., Plumb, R. T., Thorne, G. N., Todd, A. D. and Williams, T. D. 1983. Effects of eight factors on the growth and nutrient-uptake of winter-wheat and on the incidence of pests and diseases. The Journal of Agricultural Science. 100 (2), pp. 363-382. https://doi.org/10.1017/s0021859600033529

The role of parasitoids in limiting cereal aphid populations

A - Papers appearing in refereed journals

Powell, W. 1982. The role of parasitoids in limiting cereal aphid populations. Aphid antagonists. Proceedings of a meeting of the EC Experts' Group, Portici, Italy, 23-24 November 1982. pp. 50-56.

Results from factorial experiments testing amounts and times of granular N-fertilizer, late sprays of liquid N-fertilizer and fungicides to control mildew and brown rust on two varieties of spring barley at Saxmundham, Suffolk 1975–8

A - Papers appearing in refereed journals

Widdowson, F. V., Jenkyn, J. F. and Penny, A. 1982. Results from factorial experiments testing amounts and times of granular N-fertilizer, late sprays of liquid N-fertilizer and fungicides to control mildew and brown rust on two varieties of spring barley at Saxmundham, Suffolk 1975–8. The Journal of Agricultural Science. 99 (2), pp. 377-390. https://doi.org/10.1017/s0021859600030173

The identification of hymenopterous parasitoids attacking cereal aphids in Britain

A - Papers appearing in refereed journals

Powell, W. 1982. The identification of hymenopterous parasitoids attacking cereal aphids in Britain. Systematic Entomology. 7 (4), pp. 465-473. https://doi.org/10.1111/j.1365-3113.1982.tb00457.x

Towards integrated control of cereal aphids

A - Papers appearing in refereed journals

Powell, W., Dean, G. J., Dewar, A. M. and Wilding, N. 1981. Towards integrated control of cereal aphids. Proceedings of the British Insecticide and Fungicide Conference. 11.

Cropping systems in relation to soil-borne and trash-borne diseases of cereals

B - Book chapters etc edited externally

Prew, R. D. 1981. Cropping systems in relation to soil-borne and trash-borne diseases of cereals. in: Jenkyn, J. F. and Plumb, R. T. (ed.) Strategies for the control of cereal disease Oxford Blackwell Publishing. pp. 149-156

Fungicides, fertilizers and sowing date

B - Book chapters etc edited externally

Jenkyn, J. F. and Finney, M. E. 1981. Fungicides, fertilizers and sowing date. in: Jenkyn, J. F. and Plumb, R. T. (ed.) Strategies for the control of cereal disease Oxford Blackwell Publishing. pp. 179-188

The relative abundance of the hymenopterous parasites attacking metopolophium-dirhodum (walker) and sitobion-avenae (f) (hemiptera, aphididae) on cereals during 1973-79 in southern England

A - Papers appearing in refereed journals

Dean, G. J., Jones, M. G. and Powell, W. 1981. The relative abundance of the hymenopterous parasites attacking metopolophium-dirhodum (walker) and sitobion-avenae (f) (hemiptera, aphididae) on cereals during 1973-79 in southern England. Bulletin of Entomological Research. 71 (2), pp. 307-315. https://doi.org/10.1017/s0007485300008336

The incidence of gaeumannomyces-graminis var tritici and phialophora-radicicola var graminicola on wheat grown after different cropping sequences (take-all)

A - Papers appearing in refereed journals

Prew, R. D. 1981. The incidence of gaeumannomyces-graminis var tritici and phialophora-radicicola var graminicola on wheat grown after different cropping sequences (take-all). Soil Biology and Biochemistry. 13 (3), pp. 179-184. https://doi.org/10.1016/0038-0717(81)90017-1

The effect of minimum cultivation on the incidence of take-all down the root profile of winter-wheat

A - Papers appearing in refereed journals

Prew, R. D. 1981. The effect of minimum cultivation on the incidence of take-all down the root profile of winter-wheat. Annals of Applied Biology - AAB. 98 (2), pp. 217-226. https://doi.org/10.1111/j.1744-7348.1981.tb00755.x

Toxares deltiger (Haliday) (Hymenoptera: Aphidiidae) parasiting the cereal aphid, Metopolophium dirhodum (Walker) (Hemiptera: Aphididae), in southern England: a new host-parasitoid record

A - Papers appearing in refereed journals

Powell, W. 1980. Toxares deltiger (Haliday) (Hymenoptera: Aphidiidae) parasiting the cereal aphid, Metopolophium dirhodum (Walker) (Hemiptera: Aphididae), in southern England: a new host-parasitoid record. Bulletin of Entomological Research. 70 (3), pp. 407-409. https://doi.org/10.1017/s0007485300007665

Studies on the spread of gaeumannomyces-graminis var tritici in wheat .2. The effect of cultivations

A - Papers appearing in refereed journals

Prew, R. D. 1980. Studies on the spread of gaeumannomyces-graminis var tritici in wheat .2. The effect of cultivations. Annals of Applied Biology - AAB. 94 (3), pp. 397-404. https://doi.org/10.1111/j.1744-7348.1980.tb03955.x

Studies on the spread of gaeumannomyces-graminis var tritici in wheat .1. Autonomous spread

A - Papers appearing in refereed journals

Prew, R. D. 1980. Studies on the spread of gaeumannomyces-graminis var tritici in wheat .1. Autonomous spread. Annals of Applied Biology - AAB. 94 (3), pp. 391-396. https://doi.org/10.1111/j.1744-7348.1980.tb03954.x

The influence of cultural-factors and mildew on yield of winter barley

A - Papers appearing in refereed journals

Bainbridge, A., Finney, M. E. and Jenkyn, J. F. 1980. The influence of cultural-factors and mildew on yield of winter barley. The Journal of Agricultural Science. 94 (2), pp. 389-397. https://doi.org/10.1017/s0021859600029002

Effects of waterlogging at different stages of development on the growth and yield of winter-wheat

A - Papers appearing in refereed journals

Cannell, R. Q., Belford, R. K., Gales, K., Dennis, C. W. and Prew, R. D. 1980. Effects of waterlogging at different stages of development on the growth and yield of winter-wheat. Journal of the Science of Food and Agriculture. 31 (2), pp. 117-132. https://doi.org/10.1002/jsfa.2740310203

Use of soil survey of England and Wales data bank (1950-1973) to summarize and establish relations between soil analyses, observed gley status and lithological contribution

A - Papers appearing in refereed journals

Bascomb, C. L. and Todd, A. D. 1979. Use of soil survey of England and Wales data bank (1950-1973) to summarize and establish relations between soil analyses, observed gley status and lithological contribution. The Journal of Agricultural Science. 92 (2), pp. 383-391. https://doi.org/10.1017/s0021859600062912

Take-all, Gaeumannomyces graminis var. tritici, and yield of wheat grown after ley and arable rotations in relation to the occurrence of Phialophora radicicola var. graminicola

A - Papers appearing in refereed journals

Slope, D. B., Prew, R. D., Gutteridge, R. J. and Etheridge, J. V. 1979. Take-all, Gaeumannomyces graminis var. tritici, and yield of wheat grown after ley and arable rotations in relation to the occurrence of Phialophora radicicola var. graminicola. The Journal of Agricultural Science. 93 (2), pp. 377-389. https://doi.org/10.1017/s0021859600038065

Investigation into inter-plot interactions, in experiments with mildew on barley, using balanced designs

A - Papers appearing in refereed journals

Jenkyn, J. F., Bainbridge, A., Dyke, G. V. and Todd, A. D. 1979. Investigation into inter-plot interactions, in experiments with mildew on barley, using balanced designs. Annals of Applied Biology - AAB. 92 (1), pp. 11-28. https://doi.org/10.1111/j.1744-7348.1979.tb02954.x

Experiments comparing break crops as a preparation for winter-wheat followed by spring barley

A - Papers appearing in refereed journals

Prew, R. D. and Dyke, G. V. 1979. Experiments comparing break crops as a preparation for winter-wheat followed by spring barley. The Journal of Agricultural Science. 92 (FEB), pp. 189-201. https://doi.org/10.1017/s0021859600060640

Field evaluation of pesticides: the changing scene

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F. and Griffiths, D. C. 1978. Field evaluation of pesticides: the changing scene. 9th British Insecticide and Fungicide Conference. Hotel Metropole, Brighton, UK 21 Nov 1977 British Crop Protection Council (BCPC).

Spring top-dressings of ‘Nitro-Chalk’ and late sprays of a liquid N-fertilizer and a broad spectrum fungicide for consecutive crops of winter wheat at Saxmundham, Suffolk

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Jenkyn, J. F. 1978. Spring top-dressings of ‘Nitro-Chalk’ and late sprays of a liquid N-fertilizer and a broad spectrum fungicide for consecutive crops of winter wheat at Saxmundham, Suffolk. The Journal of Agricultural Science. 90 (3), pp. 509-516. https://doi.org/10.1017/s0021859600056021

Occurrence of phialophora-radicicola var graminicola and gaeumannomyces-graminis var tritici on roots of wheat in field crops

A - Papers appearing in refereed journals

Slope, D. B., Salt, G. A., Broom, E. W. and Gutteridge, R. J. 1978. Occurrence of phialophora-radicicola var graminicola and gaeumannomyces-graminis var tritici on roots of wheat in field crops. Annals of Applied Biology - AAB. 88 (2), pp. 239-246. https://doi.org/10.1111/j.1744-7348.1978.tb00701.x

Limitations to yield imposed by wheat diseases

A - Papers appearing in refereed journals

Prew, R. D. 1978. Limitations to yield imposed by wheat diseases. Journal of the Science of Food and Agriculture. 29 (7), pp. 652-652.

Effects of pesticides on a perennial ryegrass sward

A - Papers appearing in refereed journals

Plumb, R. T., Jenkyn, J. F. and Broom, E. W. 1978. Effects of pesticides on a perennial ryegrass sward. Plant Pathology. 27 (4), pp. 151-159. https://doi.org/10.1111/j.1365-3059.1978.tb01107.x

Effects of chemical treatments for mildew control at different times on growth and yield of spring barley

A - Papers appearing in refereed journals

Jenkyn, J. F. 1978. Effects of chemical treatments for mildew control at different times on growth and yield of spring barley. Annals of Applied Biology - AAB. 88 (3), pp. 369-376. https://doi.org/10.1111/j.1744-7348.1978.tb00727.x

Effect of inoculating soils with phialophora-radicicola var graminicola on take-all disease of wheat

A - Papers appearing in refereed journals

Gutteridge, R. J. and Slope, D. B. 1978. Effect of inoculating soils with phialophora-radicicola var graminicola on take-all disease of wheat. Plant Pathology. 27 (3), pp. 131-135. https://doi.org/10.1111/j.1365-3059.1978.tb01097.x

Nitrogen and leaf diseases of spring barley

C1 - Edited contributions to conferences/learned societies

Jenkyn, J. F. 1977. Nitrogen and leaf diseases of spring barley. Proceedings of the 12th Colloquium of the International Potash Institute held in Izmir/Turkey 1976. Izmir, Turkey International Potash Institute.

Observations on the origins of Septoria nodorum infection of winter wheat

A - Papers appearing in refereed journals

Jenkyn, J. F. and King, J. E. 1977. Observations on the origins of Septoria nodorum infection of winter wheat. Plant Pathology. 26 (4), pp. 153-160. https://doi.org/10.1111/j.1365-3059.1977.tb01053.x

Interference between plots as a source of error in experiments with erysiphe-graminis

A - Papers appearing in refereed journals

Jenkyn, J. F. 1977. Interference between plots as a source of error in experiments with erysiphe-graminis. Pesticide Science. 8 (4), pp. 428-429. https://doi.org/10.1002/ps.2780080421

Gaeumannomyces-cylindrosporus, a new ascomycete from cereal roots

A - Papers appearing in refereed journals

Hornby, D., Slope, D. B., Gutteridge, R. J. and Sivanesan, A. 1977. Gaeumannomyces-cylindrosporus, a new ascomycete from cereal roots. Transactions of the British Mycological Society. 69 (AUG), pp. 21-25. https://doi.org/10.1016/s0007-1536(77)80110-1

Effects of fungicides and insecticides on mildew, viruses and root yield of swedes

A - Papers appearing in refereed journals

Jenkyn, J. F. and Rawlinson, C. J. 1977. Effects of fungicides and insecticides on mildew, viruses and root yield of swedes. Plant Pathology. 26 (4), pp. 166-174. https://doi.org/10.1111/j.1365-3059.1977.tb01055.x

Results from two barley experiments at Saxmundham, Suffolk, measuring effects of the fungicide benodanil on three varieties, given three amounts of nitrogen at two times 1973–4

A - Papers appearing in refereed journals

Widdowson, F. V., Jenkyn, J. F. and Penny, A. 1976. Results from two barley experiments at Saxmundham, Suffolk, measuring effects of the fungicide benodanil on three varieties, given three amounts of nitrogen at two times 1973–4. The Journal of Agricultural Science. 86 (2), pp. 271-280. https://doi.org/10.1017/s0021859600054721

Pathogens occurring on ten varieties of ryegrass at Rothamsted in 1973-1974

A - Papers appearing in refereed journals

Plumb, R. T., Jenkyn, J. F. and Bowen, R. 1976. Pathogens occurring on ten varieties of ryegrass at Rothamsted in 1973-1974. Journal of the British Grassland Society. 31 (2), pp. 65-67. https://doi.org/10.1111/j.1365-2494.1976.tb01119.x

Observations on mildew development in winter cereals: 1968-73

A - Papers appearing in refereed journals

Jenkyn, J. F. 1976. Observations on mildew development in winter cereals: 1968-73. Plant Pathology. 25 (1), pp. 34-43. https://doi.org/10.1111/j.1365-3059.1976.tb01912.x

Mildew reinfection in adjacent and separated plots of sprayed barley

A - Papers appearing in refereed journals

Bainbridge, A. and Jenkyn, J. F. 1976. Mildew reinfection in adjacent and separated plots of sprayed barley. Annals of Applied Biology - AAB. 82 (3), pp. 477-484. https://doi.org/10.1111/j.1744-7348.1976.tb00584.x

Effects of mildew (Erysiphe graminis) on green leaf area of Zephyr spring barley, 1973

A - Papers appearing in refereed journals

Jenkyn, J. F. 1976. Effects of mildew (Erysiphe graminis) on green leaf area of Zephyr spring barley, 1973. Annals of Applied Biology - AAB. 82 (3), pp. 485-488. https://doi.org/10.1111/j.1744-7348.1976.tb00585.x

Results from two experiments with winter wheat, comparing top-dressings of a liquid N-fertilizer either alone or with added herbicide or mildew fungicide or both, and of 'Nitro-Chalk' without or with herbicide or fungicide or both

A - Papers appearing in refereed journals

Penny, A. and Jenkyn, J. F. 1975. Results from two experiments with winter wheat, comparing top-dressings of a liquid N-fertilizer either alone or with added herbicide or mildew fungicide or both, and of 'Nitro-Chalk' without or with herbicide or fungicide or both. The Journal of Agricultural Science. 85 (3), pp. 533-539. https://doi.org/10.1017/s0021859600062419

Effects of benomyl and other fungicides on take-all, eyespot and sharp eyespot diseases of winter-wheat

A - Papers appearing in refereed journals

Prew, R. D. and Mcintosh, A. H. 1975. Effects of benomyl and other fungicides on take-all, eyespot and sharp eyespot diseases of winter-wheat. Plant Pathology. 24 (2), pp. 67-71. https://doi.org/10.1111/j.1365-3059.1975.tb01864.x

Effect of ethirimol seed dressings on yield of spring barley grown with different amounts of nitrogen fertilizer 1969-71

A - Papers appearing in refereed journals

Jenkyn, J. F. and Moffatt, J. R. 1975. Effect of ethirimol seed dressings on yield of spring barley grown with different amounts of nitrogen fertilizer 1969-71. Plant Pathology. 24 (1), pp. 16-21. https://doi.org/10.1111/j.1365-3059.1975.tb01851.x

The effect of benomyl sprays on Sclerotinia trifoliorum and yield of red clover

A - Papers appearing in refereed journals

Jenkyn, J. F. 1975. The effect of benomyl sprays on Sclerotinia trifoliorum and yield of red clover. Annals of Applied Biology - AAB. 81 (3), pp. 419-423. https://doi.org/10.1111/j.1744-7348.1975.tb01660.x

Seasonal changes in infection of barley seedlings by Erysiphe graminis f.sp. hordei

A - Papers appearing in refereed journals

Jenkyn, J. F. 1974. Seasonal changes in infection of barley seedlings by Erysiphe graminis f.sp. hordei. Annals of Applied Biology - AAB. 78 (3), pp. 289-293. https://doi.org/10.1111/j.1744-7348.1974.tb01508.x

Effects of mildew on the growth and yield of spring barley: 1969‐72

A - Papers appearing in refereed journals

Jenkyn, J. F. 1974. Effects of mildew on the growth and yield of spring barley: 1969‐72. Annals of Applied Biology - AAB. 78 (3), pp. 281-288. https://doi.org/10.1111/j.1744-7348.1974.tb01507.x

Disease gradients and small plot experiments on barley mildew

A - Papers appearing in refereed journals

Jenkyn, J. F. and Bainbridge, A. 1974. Disease gradients and small plot experiments on barley mildew. Annals of Applied Biology - AAB. 76 (3), pp. 269-279. https://doi.org/10.1111/j.1744-7348.1974.tb01367.x

A comparison of seasonal changes in deposition of spores of Erysiphe graminis on different trapping surfaces

A - Papers appearing in refereed journals

Jenkyn, J. F. 1974. A comparison of seasonal changes in deposition of spores of Erysiphe graminis on different trapping surfaces. Annals of Applied Biology - AAB. 76 (3), pp. 257-267. https://doi.org/10.1111/j.1744-7348.1974.tb01366.x

Seasonal changes in incubation time of Erysiphe graminis f.sp. hordei

A - Papers appearing in refereed journals

Jenkyn, J. F. 1973. Seasonal changes in incubation time of Erysiphe graminis f.sp. hordei. Annals of Applied Biology - AAB. 73 (1), pp. 15-18. https://doi.org/10.1111/j.1744-7348.1973.tb01304.x

Latent roots and vectors of a symmetric matrix

A - Papers appearing in refereed journals

Sparks, D. N. and Todd, A. D. 1973. Latent roots and vectors of a symmetric matrix. Journal of the Royal Statistical Society, Series C (Applied Statistics). 22 (2), pp. 260-265. https://doi.org/10.2307/2346932

The effect of fungicides on incidence of Sporobolomyces spp. and Cladosporium spp. on flag leaves of winter wheat

A - Papers appearing in refereed journals

Jenkyn, J. F. and Prew, R. D. 1973. The effect of fungicides on incidence of Sporobolomyces spp. and Cladosporium spp. on flag leaves of winter wheat. Annals of Applied Biology - AAB. 75 (2), pp. 253-256. https://doi.org/10.1111/j.1744-7348.1973.tb07305.x

Comparison of fortran subroutines for calculating latent roots and vectors

A - Papers appearing in refereed journals

Sparks, D. N. and Todd, A. D. 1973. Comparison of fortran subroutines for calculating latent roots and vectors. Journal of the Royal Statistical Society, Series C (Applied Statistics). 22 (2), pp. 220-225.

An apparatus for the isolated propagation of foliar pathogens and their hosts

A - Papers appearing in refereed journals

Jenkyn, J. F., Hirst, J. M. and King, G. 1973. An apparatus for the isolated propagation of foliar pathogens and their hosts. Annals of Applied Biology - AAB. 73 (1), pp. 9-13. https://doi.org/10.1111/j.1744-7348.1973.tb01303.x

Activity of six fungicides against cereal foliage and root diseases

A - Papers appearing in refereed journals

Jenkyn, J. F. and Prew, R. D. 1973. Activity of six fungicides against cereal foliage and root diseases. Annals of Applied Biology - AAB. 75 (2), pp. 241-252. https://doi.org/10.1111/j.1744-7348.1973.tb07304.x