Issues concerning the design and analysis of comparative field experiments

Welham, S. J. and Clark, S. J. 2006. Issues concerning the design and analysis of comparative field experiments. Outlooks on Pest Management. 17, pp. 175-180. https://doi.org/10.1564/17aug10

Related outputs

A fungal endophyte induces local cell-wall mediated resistance in wheat roots against take-all disease

A - Papers appearing in refereed journals

Chancellor, T., Smith, D. P., Chen, W., Clark, S. J., Venter, E., Halsey, K., Carrera, E., Mcmillan, V. E., Canning, G., Armer, V., Hammond-Kosack, K. E. and Palma-Guerrero, J. 2024. A fungal endophyte induces local cell-wall mediated resistance in wheat roots against take-all disease. Frontiers in Plant Science. 15, p. 1444271. https://doi.org/10.3389/fpls.2024.1444271

Quantifying the impact of Psylliodes chrysocephala injury on the productivity of oilseed rape

A - Papers appearing in refereed journals

Coston, D. J., Clark, S. J., Breeze, T. D., Field, L. M., Potts, S. G. and Cook, S. M. 2024. Quantifying the impact of Psylliodes chrysocephala injury on the productivity of oilseed rape. Pest Management Science. 80 (5), pp. 2383-2392. https://doi.org/10.1002/ps.7860

The Broadbalk Wheat Experiment, Rothamsted, UK Crop yields and soil changes during the last 50 years

A - Papers appearing in refereed journals

Poulton, P. R., Johnston, A. E., Glendining, M. J., White, R. P., Gregory, A. S., Clark, S. J., Gregory, W., Macdonald, A. J. and Powlson, D. S. 2024. The Broadbalk Wheat Experiment, Rothamsted, UK Crop yields and soil changes during the last 50 years. Advances in Agronomy. 184, pp. 173-298. https://doi.org/10.1016/bs.agron.2023.11.003

Banker Plant Bonuses? The Benefits and Risks of Including Brassicas in Field Margins to Promote Conservation Biocontrol of Specialist Pests in Oilseed Rape

A - Papers appearing in refereed journals

Skellern, M. P., Clark, S. J., Ferguson, A. W., Watts, N. P. and Cook, S. M. 2023. Banker Plant Bonuses? The Benefits and Risks of Including Brassicas in Field Margins to Promote Conservation Biocontrol of Specialist Pests in Oilseed Rape. Insects. 14 (4), p. 349. https://doi.org/10.3390/insects14040349

Early Detection and Spread of Tomato Powdery Mildew (TPM) in Commercial Greenhouses

A - Papers appearing in refereed journals

Sokolidi, A., Webster, R., Milne, A. E., Clark, S. J., Clarkson, J., Bielik M., Morley, P. and West, J. S. 2022. Early Detection and Spread of Tomato Powdery Mildew (TPM) in Commercial Greenhouses. Phytopathology. 112 (11), pp. 49-49.

Quantifying inherent predictability and spatial synchrony in the aphid vector Myzus persicae - field-scale patterns of abundance and regional forecasting error in the UK

A - Papers appearing in refereed journals

Bell, J. R., Clark, S. J., Stevens, M. and Mead, A. 2022. Quantifying inherent predictability and spatial synchrony in the aphid vector Myzus persicae - field-scale patterns of abundance and regional forecasting error in the UK. Pest Management Science. p. 7292. https://doi.org/10.1002/ps.7292

Early Detection and Spread of Tomato Powdery Mildew (TPM) in Commercial Greenhouses

Conference poster

Sokolidi, A., Webster, R., Milne, A. E., Clark, S. J., Clarkson, J., Bielik M., Morley, P. and West, J. S. 2022. Early Detection and Spread of Tomato Powdery Mildew (TPM) in Commercial Greenhouses. APS AGM - Plant Health 2022. Pittsburgh, Pennsylvania, USA 06 Aug 2022

Characterisation of bird cherry-oat aphid (Rhopalosiphum padi L.) behaviour and aphid host preference in relation to partially resistant and susceptible wheat landraces

A - Papers appearing in refereed journals

Singh, B., Simon, A. L., Halsey, K., Kurup, S., Clark, S. J. and Aradottir, G. I. 2020. Characterisation of bird cherry-oat aphid (Rhopalosiphum padi L.) behaviour and aphid host preference in relation to partially resistant and susceptible wheat landraces. Annals of Applied Biology - AAB. 177 (2), pp. 184-194. https://doi.org/10.1111/aab.12616

Electrophysiologically and behaviourally active semiochemicals identified from bed bug refuge substrate

A - Papers appearing in refereed journals

Birkett, M. A., Weeks, E. N. I., Logan, J. G., Caulfield, J. C., Gazan, S. A., Welham, S. J., Brugman, V. A., Pickett, J. A. and Cameron, M. M. 2020. Electrophysiologically and behaviourally active semiochemicals identified from bed bug refuge substrate. Scientific Reports. (10), p. article 4590. https://doi.org/10.1038/s41598-020-61368-6

Searching for wheat resistance to aphids and wheat bulb fly in the historical Watkins and Gediflux wheat collections

A - Papers appearing in refereed journals

Aradottir, G. I., Martin, J. L., Clark, S. J., Pickett, J. A. and Smart, L. E. 2017. Searching for wheat resistance to aphids and wheat bulb fly in the historical Watkins and Gediflux wheat collections. Annals of Applied Biology - AAB. 170 (2), pp. 179-188. https://doi.org/10.1111/aab.12326

Meteorological and landscape influences on pollen beetle immigration into oilseed rape crops

A - Papers appearing in refereed journals

Skellern, M., Welham, S. J., Watts, N. P. and Cook, S. M. 2017. Meteorological and landscape influences on pollen beetle immigration into oilseed rape crops. Agriculture, Ecosystems & Environment. 241 (1 April), pp. 150-159. https://doi.org/10.1016/j.agee.2017.03.008

Oilseed rape (Brassica napus) as a resource for farmland insect pollinators: quantifying floral traits in conventional varieties and breeding systems

A - Papers appearing in refereed journals

Carruthers, J. M., Cook, S. M., Wright, G. A., Osborne, J. L., Clark, S. J., Swain, J. L. and Haughton, A. J. 2017. Oilseed rape (Brassica napus) as a resource for farmland insect pollinators: quantifying floral traits in conventional varieties and breeding systems. Global Change Biology. Bioenergy. 9 (8), pp. 1370-1379. https://doi.org/10.1111/gcbb.12438

Mass seasonal bioflows of high-flying insect migrants

A - Papers appearing in refereed journals

Hu, G., Lim, K. S., Horvitz, N., Clark, S. J., Reynolds, D. R., Sapir, N. and Chapman, J. W. 2016. Mass seasonal bioflows of high-flying insect migrants. Science - AAAS. 354 (6319), pp. 1584-1587. https://doi.org/10.1126/science.aah4379

Induced thiacloprid insensitivity in honeybees (Apis mellifera L.) is associated with up-regulation of detoxification genes

A - Papers appearing in refereed journals

Alptekin, S., Bass, C., Nicholls, C., Paine, M. J. I., Clark, S. J., Field, L. and Moores, G. D. 2016. Induced thiacloprid insensitivity in honeybees (Apis mellifera L.) is associated with up-regulation of detoxification genes. Insect Molecular Biology. 25 (2), pp. 171-180. https://doi.org/10.1111/imb.12211

Identification of environmentally stable QTL for resistance against Leptosphaeria maculans in oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Huang, Y. J., Jestin, C., Welham, S. J., King, G. J., Manzanares-Dauleux, M. J., Fitt, B. D. L. and Delourme, R. 2016. Identification of environmentally stable QTL for resistance against Leptosphaeria maculans in oilseed rape (Brassica napus). Theoretical and Applied Genetics. 129 (1), pp. 169-180. https://doi.org/10.1007/s00122-015-2620-z

Flight performance of actively foraging honey bees is reduced by a common pathogen

A - Papers appearing in refereed journals

Wells, T., Wolf, S., Nicholls, E., Groll, H., Lim, K. S., Clark, S. J., Swain, J. L., Osborne, J. L. and Haughton, A. J. 2016. Flight performance of actively foraging honey bees is reduced by a common pathogen. Environmental Microbiology Reports. 8 (5), pp. 728-737. https://doi.org/10.1111/1758-2229.12434

Triticum monococcum lines with distinct metabolic phenotypes and phloem-based partial resistance to the bird cherry-oat aphid Rhopalosiphum padi

A - Papers appearing in refereed journals

Greenslade, A. F. C., Ward, J. L., Martin, J. L., Corol, D. I., Clark, S. J., Smart, L. E. and Aradottir, G. I. 2016. Triticum monococcum lines with distinct metabolic phenotypes and phloem-based partial resistance to the bird cherry-oat aphid Rhopalosiphum padi. Annals of Applied Biology - AAB. 168 (3), pp. 435-449. https://doi.org/10.1111/aab.12274

Dedicated biomass crops can enhance biodiversity in the arable landscape

A - Papers appearing in refereed journals

Haughton, A. J., Bohan, D. A., Clark, S. J., Mallott, M. D., Mallott, V., Sage, R. and Karp, A. 2016. Dedicated biomass crops can enhance biodiversity in the arable landscape. Global Change Biology. Bioenergy. 8 (6), pp. 1071-1081. https://doi.org/10.1111/gcbb.12312

The effects of Nosema ceranae on honey bee flight distance

G - Articles in popular magazines and other technical publications

Wells, T., Nicholls, B., Wolf, S., Groll, H., Lim, K. S., Clark, S. J., Swain, J. L., Osborne, J. L. and Haughton, A. J. 2015. The effects of Nosema ceranae on honey bee flight distance. British bee journal. (2), p. 6.

Dynamics of competition and co-infection between Zoophthora radicans and Pandora blunckii in Plutella xylostella larvae

A - Papers appearing in refereed journals

Sandoval-Aguilar, J. A., Guzman-Franco, A. W., Pell, J. K., Clark, S. J., Alatorre-Rosas, R., Santillan-Galicia, M. T. and Valdovinos-Ponce, G. 2015. Dynamics of competition and co-infection between Zoophthora radicans and Pandora blunckii in Plutella xylostella larvae. Fungal Ecology. 17, pp. 1-9. https://doi.org/10.1016/j.funeco.2015.04.003

Appendix 4. Effect of brassica field margins on arthropod biodiversity and biocontrol in a wheat-oilseed rape rotation

D1 - Technical reports: non-confidential

Cook, S. M., Skellern, M. P., Torrance, M. T., Nevard, L., Watts, N. P., Clark, S. J. and Pell, J. K. 2015. Appendix 4. Effect of brassica field margins on arthropod biodiversity and biocontrol in a wheat-oilseed rape rotation.

Statistical methods in biology: design and analysis of experiments and regression

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

Welham, S. J., Gezan, S. A., Clark, S. J. and Mead, A. 2015. Statistical methods in biology: design and analysis of experiments and regression. CRC Press, Boca Raton, Florida.

Temperature-activity relationships in Meligethes aeneus: implications for pest management

A - Papers appearing in refereed journals

Ferguson, A. W., Nevard, L. M., Clark, S. J. and Cook, S. M. 2015. Temperature-activity relationships in Meligethes aeneus: implications for pest management. Pest Management Science. 71 (3), pp. 459-466. https://doi.org/10.1002/ps.3860

Slow bee paralysis virus and its transmission in honey bee pupae by Varroa destructor

A - Papers appearing in refereed journals

Santillan-Galicia, M. T., Ball, B. V., Clark, S. J. and Alderson, P. G. 2014. Slow bee paralysis virus and its transmission in honey bee pupae by Varroa destructor. Journal of Apicultural Research. 53 (1), pp. 146-154. https://doi.org/10.3896/IBRA.1.53.1.16

The efficacy of flufenacet based herbicides on Alopecurus myosuroides (black-grass): analysis of data from 375 field trials

C1 - Edited contributions to conferences/learned societies

Hull, R. I., Clark, S. J., Westrup, L. and Moss, S. R. 2014. The efficacy of flufenacet based herbicides on Alopecurus myosuroides (black-grass): analysis of data from 375 field trials. Crop production in Southern Britain: precision decisions for profitable cropping. Aspects of Applied Biology 127 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 49-56

Splash dispersal of Phyllosticta citricarpa conidia from infected citrus fruit

A - Papers appearing in refereed journals

Perryman, S. A. M., Clark, S. J. and West, J. S. 2014. Splash dispersal of Phyllosticta citricarpa conidia from infected citrus fruit. Scientific Reports. 4, p. 6568. https://doi.org/10.1038/srep06568

Genetical and comparative genomics of Brassica under altered Ca supply identifies Arabidopsis Ca-transporter orthologs

A - Papers appearing in refereed journals

Graham, N. S., Hammond, J. P., Lysenko, A., Mayes, S., O Lochlainn, S., Blasco, B., Bowen, H. C., Rawlings, C. J., Rios, J. J., Welham, S. J., Carion, P. W. C., Dupuy, L. X., King, G. J., White, P. J. and Broadley, M. R. 2014. Genetical and comparative genomics of Brassica under altered Ca supply identifies Arabidopsis Ca-transporter orthologs. The Plant Cell. 26, pp. 2818-2830. https://doi.org/10.1105/tpc.114.128603

So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees

A - Papers appearing in refereed journals

Wolf, S., McMahon, D. P., Lim, K. S., Pull, C. D., Clark, S. J., Paxton, R. J. and Osborne, J. L. 2014. So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees. PLOS ONE. 9, p. e103989. https://doi.org/10.1371/journal.pone.0103989

Hydroxamic acids in Aegilops species and effects on Rhopalosiphum padi behaviour and fecundity

A - Papers appearing in refereed journals

Elek, H., Smart, L. E., Martin, J. L., Ahmad, S., Gordon-Weeks, R., Anda, A., Welham, S. J., Werner, P. and Pickett, J. A. 2013. Hydroxamic acids in Aegilops species and effects on Rhopalosiphum padi behaviour and fecundity. Bulletin of Insectology. 66, pp. 213-220.

The ontogeny of bumblebee flight trajectories: from naive explorers to experienced foragers

A - Papers appearing in refereed journals

Osborne, J. L., Smith, A. D., Clark, S. J., Reynolds, D. R., Barron, M. C., Lim, K. S. and Reynolds, A. M. 2013. The ontogeny of bumblebee flight trajectories: from naive explorers to experienced foragers. PLOS ONE. 8 (11), p. e78681. https://doi.org/10.1371/journal.pone.0078681

A review of the effects of crop agronomy on the management of Alopecurus myosuroides

A - Papers appearing in refereed journals

Lutman, P. J. W., Moss, S. R., Cook, S. and Welham, S. J. 2013. A review of the effects of crop agronomy on the management of Alopecurus myosuroides. Weed Research. 53 (5), pp. 299-313. https://doi.org/10.1111/wre.12024

Competition between isolates of Zoophthora radicans co-infecting Plutella xylostella populations

A - Papers appearing in refereed journals

Morales-Vidal, S., Alatorre-Rosas, R., Clark, S. J., Pell, J. K. and Guzman-Franco, A. W. 2013. Competition between isolates of Zoophthora radicans co-infecting Plutella xylostella populations. Journal of Invertebrate Pathology. 113, pp. 137-145. https://doi.org/10.1016/j.jip.2013.03.002

The potential of hydroxamic acids in tetraploid and hexaploid wheat varieties as resistance factors against the bird-cherry oat aphid, Rhopalosiphum padi

A - Papers appearing in refereed journals

Elek, H., Smart, L. E., Martin, J. L., Ahmad, S., Gordon-Weeks, R., Welham, S. J., Nadasy, M., Pickett, J. A. and Werner, C. P. 2013. The potential of hydroxamic acids in tetraploid and hexaploid wheat varieties as resistance factors against the bird-cherry oat aphid, Rhopalosiphum padi. Annals of Applied Biology - AAB. 162 (1), pp. 100-109. https://doi.org/10.1111/aab.12005

Development of an integrated pest management strategy for control of pollen beetles in winter oilseed rape (HGCA Project Report No 504)

D1 - Technical reports: non-confidential

Cook, S. M., Doring, T. F., Ferguson, A. W., Martin, J. L., Skellern, M. P., Smart, L. E., Watts, N. P., Welham, S. J., Woodcock, C. M., Pickett, J. A., Bardsley, E., Bowman, J., Burns, S., Clarke, M., Davies, J., Gibbard, C., Johnen, A., Jennaway, R., Meredith, R., Murray, D., Nightingale, M., Padbury, N., Patrick, C., Von Richthofen, J-S., Taylor, P., Tait, M. and Werner, P. 2013. Development of an integrated pest management strategy for control of pollen beetles in winter oilseed rape (HGCA Project Report No 504). Kenilworth Home Grown Cereals Authority (HGCA).

Use of honey bees (Apis mellifera L.) to detect the presence of Mediterranean fruit fly (Ceratitis capitata Wiedemann) larvae in Valencia oranges

A - Papers appearing in refereed journals

Chamberlain, K., Briens, M., Jacobs, J. H., Clark, S. J. and Pickett, J. A. 2012. Use of honey bees (Apis mellifera L.) to detect the presence of Mediterranean fruit fly (Ceratitis capitata Wiedemann) larvae in Valencia oranges. Journal of the Science of Food and Agriculture. 92 (10), pp. 2050-2054. https://doi.org/10.1002/jsfa.5742

A hypomethylated population of Brassica rapa for forward and reverse epi-genetics

A - Papers appearing in refereed journals

Amoah, S., Kurup, S., Rodriguez Lopez, C. M., Welham, S. J., Powers, S. J., Hopkins, C. J., Wilkinson, M. J. and King, G. J. 2012. A hypomethylated population of Brassica rapa for forward and reverse epi-genetics. BMC Plant Biology. 12, p. 193 (17pp). https://doi.org/10.1186/1471-2229-12-193

Three-point appraisal of genetic linkage maps

A - Papers appearing in refereed journals

Gilks, W. R., Welham, S. J., Wang, J., Clark, S. J. and King, G. J. 2012. Three-point appraisal of genetic linkage maps. Theoretical and Applied Genetics. 125, pp. 1393-1402. https://doi.org/10.1007/s00122-012-1920-9

Large carabid beetle declines in a United Kingdom monitoring network increases evidence for a widespread loss in insect biodiversity

A - Papers appearing in refereed journals

Brooks, D. R., Bater, J., Clark, S. J., Monteith, D. T., Andrews, C., Corbett, S. J., Beaumont, D. A. and Chapman, J. W. 2012. Large carabid beetle declines in a United Kingdom monitoring network increases evidence for a widespread loss in insect biodiversity. Journal of Applied Ecology. 49 (5), pp. 1009-1019. https://doi.org/10.1111/j.1365-2664.2012.02194.x

The trait and host plant ecology of aphids and their distribution and abundance in the United Kingdom

A - Papers appearing in refereed journals

Bell, J. R., Taylor, M. S., Shortall, C. R., Welham, S. J. and Harrington, R. 2012. The trait and host plant ecology of aphids and their distribution and abundance in the United Kingdom. Global Ecology and Biogeography. 21 (4), pp. 405-415. https://doi.org/10.1111/j.1466-8238.2011.00685.x

Mesocosm experiments to assess the transmission of Pandora neoaphidis within simple and mixed field margins and over the crop-margin interface

A - Papers appearing in refereed journals

Baverstock, J., Torrance, M. T., Clark, S. J. and Pell, J. K. 2012. Mesocosm experiments to assess the transmission of Pandora neoaphidis within simple and mixed field margins and over the crop-margin interface. Journal of Invertebrate Pathology. 110, pp. 102-107. https://doi.org/10.1016/j.jip.2012.02.012

Trophic links between functional groups of arable plants and beetles are stable at national scale

A - Papers appearing in refereed journals

Brooks, D. R., Storkey, J., Clark, S. J., Firbank, L. G., Petit, S. and Woiwod, I. P. 2012. Trophic links between functional groups of arable plants and beetles are stable at national scale. Journal of Animal Ecology. 81 (1), pp. 4-13. https://doi.org/10.1111/j.1365-2656.2011.01897.x

Regulatory hotspots are associated with plant gene expression under varying soil phosphorus supply in Brassica rapa

A - Papers appearing in refereed journals

Hammond, J. P., Mayes, S., Bowen, H. C., Graham, N. S., Hayden, R. M., Love, C. G., Spracklen, W. P., Wang, J., Welham, S. J., White, P. J., King, G. J. and Broadley, M. R. 2011. Regulatory hotspots are associated with plant gene expression under varying soil phosphorus supply in Brassica rapa. Plant Physiology. 156, pp. 1230-1241. https://doi.org/10.1104/pp.111.175612

Use of quantitative PCR to understand within-host competition between two entomopathogenic fungi

A - Papers appearing in refereed journals

Guzman-Franco, A. W., Atkins, S. D., Clark, S. J., Alderson, P. G. and Pell, J. K. 2011. Use of quantitative PCR to understand within-host competition between two entomopathogenic fungi. Journal of Invertebrate Pathology. 107, pp. 155-158. https://doi.org/10.1016/j.jip.2011.03.001

Potential value of the fibre nettle Urtica dioica as a resource for the nettle aphid Microlophium carnosum and its insect and fungal natural enemies

A - Papers appearing in refereed journals

Baverstock, J., Porcel, M., Clark, S. J., Copeland, J. E. and Pell, J. K. 2011. Potential value of the fibre nettle Urtica dioica as a resource for the nettle aphid Microlophium carnosum and its insect and fungal natural enemies. BioControl. 56 (2), pp. 215-223. https://doi.org/10.1007/s10526-010-9330-x

Effects of environment on stability of QTL for resistance to Leptosphaeria maculans on oilseed rape (Brassica napus)

C2 - Non-edited contributions to conferences

Huang, Y-J., Jestin, C., Welham, S. J., King, G. J., Fitt, B. D. L. and Delourme, R. 2010. Effects of environment on stability of QTL for resistance to Leptosphaeria maculans on oilseed rape (Brassica napus). Abstracts 17th Crucifer Genetics Workshop, Saskatoon, 5-8 September 2010 . pp. 124

Estimation of spatial trend and automatic model selection in augmented designs

A - Papers appearing in refereed journals

Kehel, Z., Habash, D. Z., Gezan, S. A., Welham, S. J. and Nachit, M. M. 2010. Estimation of spatial trend and automatic model selection in augmented designs. Agronomy Journal. 102, pp. 1542-1552. https://doi.org/10.2134/agronj2010.0175

Trends in the timings of the start and end of annual flight periods

B - Book chapters etc edited externally

Harrington, R. and Clark, S. J. 2010. Trends in the timings of the start and end of annual flight periods. in: Dixon, A. F. G., Michaud, J. P. and Kindlmann, P. (ed.) Aphid biodiversity under environmental change Springer, Dordrecht. pp. 41-54

Spectral tempering to model non-stationary covariance of nitrous oxide emissions from soil using continuous or categorical explanatory variables at a landscape scale

A - Papers appearing in refereed journals

Haskard, K. A., Welham, S. J. and Lark, R. M. 2010. Spectral tempering to model non-stationary covariance of nitrous oxide emissions from soil using continuous or categorical explanatory variables at a landscape scale. Geoderma. 159, pp. 358-370. https://doi.org/10.1016/j.geoderma.2010.08.012

Some consequences of using the Horsfall-Barratt scale for hypothesis testing

A - Papers appearing in refereed journals

Bock, C. H., Gottwald, T. R., Parker, P. E., Ferrandino, F., Welham, S. J., Van Den Bosch, F. and Parnell, S. 2010. Some consequences of using the Horsfall-Barratt scale for hypothesis testing. Phytopathology. 100 (10), pp. 1030-1041. https://doi.org/10.1094/PHYTO-08-09-0220

A comparison of analysis methods for late-stage variety evaluation trials

A - Papers appearing in refereed journals

Welham, S. J., Gogel, B. J., Smith, A. B., Thompson, R. and Cullis, B. R. 2010. A comparison of analysis methods for late-stage variety evaluation trials. Australian & New Zealand Journal of Statistics. 52 (2), pp. 125-149. https://doi.org/10.1111/j.1467-842X.2010.00570.x

To bite or not to bite! A questionnaire-based survey assessing why some people are bitten more than others by midges

A - Papers appearing in refereed journals

Logan, J. G., Cook, J. I., Stanczyk, N. M., Weeks, E. N. I., Welham, S. J. and Mordue (Luntz), A. J. 2010. To bite or not to bite! A questionnaire-based survey assessing why some people are bitten more than others by midges. BMC Public Health. 10, p. 275 (8pp). https://doi.org/10.1186/1471-2458-10-275

A variance shift model for detection of outliers in the linear mixed model

A - Papers appearing in refereed journals

Gumedze, F. N., Welham, S. J., Gogel, B. J. and Thompson, R. 2010. A variance shift model for detection of outliers in the linear mixed model. Computational Statistics & Data Analysis. 54 (9), pp. 2128-2144. https://doi.org/10.1016/j.csda.2010.03.019

The identification of a virulence factor-enriched micro-region in the Fusarium graminearum genome

C2 - Non-edited contributions to conferences

Hammond-Kosack, K. E., Antoniw, J. F., Freeman, A., Urban, M., Welham, S. J. and Beacham, A. 2010. The identification of a virulence factor-enriched micro-region in the Fusarium graminearum genome. Abstracts Fusarium Workshop, Amsterdam, 28-29 March 2010 .

Transmission of deformed wing virus and slow paralysis virus to adult bees (Apis mellifera L.) by Varroa destructor

A - Papers appearing in refereed journals

Santillan-Galicia, M. T., Ball, B. V., Clark, S. J. and Alderson, P. G. 2010. Transmission of deformed wing virus and slow paralysis virus to adult bees (Apis mellifera L.) by Varroa destructor. Journal of Apicultural Research and Bee World. 49, pp. 141-148. https://doi.org/10.3896/IBRA.1.49.2.01

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

Layers of nocturnal insect migrants at high-altitude: the influence of atmospheric conditions on their formation

A - Papers appearing in refereed journals

Wood, C. R., Clark, S. J., Barlow, J. F. and Chapman, J. W. 2010. Layers of nocturnal insect migrants at high-altitude: the influence of atmospheric conditions on their formation. Agricultural and Forest Entomology. 12 (1), pp. 113-121. https://doi.org/10.1111/j.1461-9563.2009.00459.x

Pollinator effectiveness and fruit set in common ivy, Hedera helix (Araliaceae)

A - Papers appearing in refereed journals

Jacobs, J. H., Clark, S. J., Denholm, I., Goulson, D., Stoate, C. and Osborne, J. L. 2010. Pollinator effectiveness and fruit set in common ivy, Hedera helix (Araliaceae). Arthropod-Plant Interactions. 4, pp. 19-28. https://doi.org/10.1007/s11829-009-9080-9

Perennial energy crops: implications and potential

B - Book chapters etc edited externally

Karp, A., Haughton, A. J., Bohan, D. A., Lovett, A. A., Bond, A. J., Dockerty, T., Sunnenberg, G., Finch, J. W., Sage, R. B., Appleton, K. J., Riche, A. B., Mallott, M. D., Mallott, V. E,., Cunningham, M. D., Clark, S. J. and Turner, M. M. 2009. Perennial energy crops: implications and potential. in: Winter, M. and Lobley, M. (ed.) What is land for? The food, fuel and climate change debate Earthscan Publications Ltd. pp. 47-72

The GAMes aphids play

C2 - Non-edited contributions to conferences

Bell, J. R., Harrington, R., Welham, S. J., Clark, S. J. and Pickup, J. 2009. The GAMes aphids play. Abstracts 8th International Symposium on Aphids, Catania, 8-12 June 2009 .

Some consequences of using the Horsfall-Barratt scale for estimating disease severity compared to nearest percent estimation

C2 - Non-edited contributions to conferences

Bock, C. H., Gottwald, T. R., Parker, P. E., Ferrandino, F., Welham, S. J., Van Den Bosch, F. and Parnell, S. R. 2009. Some consequences of using the Horsfall-Barratt scale for estimating disease severity compared to nearest percent estimation. Abstracts 10th International Epidemiological Workshop, Geneva, New York, 8-12 June 2009 .

Competition and co-existence of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth, Plutella xylostella

A - Papers appearing in refereed journals

Guzman-Franco, A. W., Clark, S. J., Alderson, P. G. and Pell, J. K. 2009. Competition and co-existence of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth, Plutella xylostella. Mycological Research. 113 (11), pp. 1312-1321. https://doi.org/10.1016/j.mycres.2009.08.016

Intraguild interactions between the entomopathogenic fungus Pandora neoaphidis and an aphid predator and parasitoid at the population scale

A - Papers appearing in refereed journals

Baverstock, J., Clark, S. J., Alderson, P. G. and Pell, J. K. 2009. Intraguild interactions between the entomopathogenic fungus Pandora neoaphidis and an aphid predator and parasitoid at the population scale. Journal of Invertebrate Pathology. 102 (2), pp. 167-172. https://doi.org/10.1016/j.jip.2009.07.014

Pollination biology of fruit-bearing hedgerow plants and the role of flower-visiting insects in fruit-set

A - Papers appearing in refereed journals

Jacobs, J. H., Clark, S. J., Denholm, I., Goulson, D., Stoate, C. and Osborne, J. L. 2009. Pollination biology of fruit-bearing hedgerow plants and the role of flower-visiting insects in fruit-set. Annals of Botany. 104, pp. 1397-1404. https://doi.org/10.1093/aob/mcp236

Using adult mosquitoes to transfer insecticides to Aedes aegypti larval habitats

A - Papers appearing in refereed journals

Devine, G. J., Zamora-Perea, E., Killeen, G. F., Stancil, J. D., Clark, S. J. and Morrison, A. C. 2009. Using adult mosquitoes to transfer insecticides to Aedes aegypti larval habitats. Proceedings of the National Academy of Sciences. 106, pp. 11530-11534. https://doi.org/10.1073/pnas.0901369106

A novel transcriptomic approach to identify candidate genes for grain quality traits in wheat

A - Papers appearing in refereed journals

Wan, Y., Toscano-Underwood, C., Toole, G., Skeggs, P., Zhu, T., Leverington, M., Griffiths, S., Wheeler, T., Gooding, M., Poole, R., Edwards, K. J., Gezan, S. A., Welham, S. J., Snape, J., Mills, E. N. C., Mitchell, R. A. C. and Shewry, P. R. 2009. A novel transcriptomic approach to identify candidate genes for grain quality traits in wheat. Plant Biotechnology Journal. 7 (5), pp. 401-410. https://doi.org/10.1111/j.1467-7652.2009.00405.x

A note on bimodality in the log-likelihood function for penalized spline mixed models

A - Papers appearing in refereed journals

Welham, S. J. and Thompson, R. 2009. A note on bimodality in the log-likelihood function for penalized spline mixed models. Computational Statistics & Data Analysis. 53 (4), pp. 920-931. https://doi.org/10.1016/j.csda.2008.10.031

Identification of human-derived volatile chemicals that interfere with attraction of the Scottish biting midge and their potential use as repellents

A - Papers appearing in refereed journals

Logan, J. G., Seal, N. J., Cook, J. I., Stanczyk, N. M., Birkett, M. A., Clark, S. J., Gezan, S. A., Wadhams, L. J., Pickett, J. A. and Mordue (Luntz), A. J. 2009. Identification of human-derived volatile chemicals that interfere with attraction of the Scottish biting midge and their potential use as repellents. Journal of Medical Entomology. 46 (2), pp. 208-219. https://doi.org/10.1603/033.046.0205

A novel, integrated approach to assessing social, economic and environmental implications of changing rural land-use: a case study of perennial biomass crops

A - Papers appearing in refereed journals

Haughton, A. J., Bond, A. J., Lovett, A. A., Dockerty, T., Sunnenberg, G., Clark, S. J., Bohan, D. A., Sage, R. B., Mallott, M. D., Mallott, V. E., Cunningham, M. D., Riche, A. B., Shield, I. F., Finch, J. W., Turner, M. M. and Karp, A. 2009. A novel, integrated approach to assessing social, economic and environmental implications of changing rural land-use: a case study of perennial biomass crops. Journal of Applied Ecology. 46 (2), pp. 315-322. https://doi.org/10.1111/j.1365-2664.2009.01623.x

Oilseed rape crop ecology: optimising crop husbandry for conservation biological control and greater biodiversity. Final report on DEFRA project AR0316.

D1 - Technical reports: non-confidential

Ferguson, A. W., Williams, I. H., Cook, S. M., Clark, S. J., Frearson, D. J. T., Holdgate, R., Isger, E. A., Mason, N. S., Watts, N. P. and Todd, A. 2008. Oilseed rape crop ecology: optimising crop husbandry for conservation biological control and greater biodiversity. Final report on DEFRA project AR0316. Department for Environment, Food & Rural Affairs (DEFRA).

Phenologies and diel periodicities of within-crop flight by pests and parasitoids in oilseed rape

C2 - Non-edited contributions to conferences

Ferguson, A. W., Holdgate, R., Mason, N. S., Clark, S. J. and Williams, I. H. 2008. Phenologies and diel periodicities of within-crop flight by pests and parasitoids in oilseed rape. Abstracts IOBC-WPRS, OILB-SROP, Working Group on Integrated Control in Oilseed Crops, Paris, 29 September - 1 October 2008 . pp. 16

Controlling for competition in neighbouring field plots in a willow (Salix spp.) trial

A - Papers appearing in refereed journals

Gezan, S. A., Macalpine, W. J., Shield, I. F. and Welham, S. J. 2008. Controlling for competition in neighbouring field plots in a willow (Salix spp.) trial. Aspects of Applied Biology. 90, pp. 181-187.

Improving wheat for nutrition and processing

C1 - Edited contributions to conferences/learned societies

Shewry, P. R., Wan, Y., Wheeler, T., Gooding, M., Poole, R., Edwards, K. J., Mills, E. N. C., Skeggs, P., Gezan, S., Welham, S. J., Shenton, C., Zhu, T., Phillips, A. L., Jones, H. D., Li, L., Ward, J. L., Freeman, J., Nemeth, C. and Mitchell, R. A. C. 2008. Improving wheat for nutrition and processing. Molinacano, J. L. (ed.) Cereal Science and Technology for Feeding Ten Billion People: Genomics Era and Beyond. Proceedings of the Meeting of the Eucarpia Cereal Section, Lleida (Spain), 13-17 November 2006 . Options Mediterraneennes, Series A, No 81. pp. 249-252

Transmission of Pandora neoaphidis in the presence of co-occurring arthropods

C2 - Non-edited contributions to conferences

Baverstock, J., Baverstock, K. E., Clark, S. J. and Pell, J. K. 2008. Transmission of Pandora neoaphidis in the presence of co-occurring arthropods. Abstracts 41st Annual Meeting of the Society for Invertebrate Pathology, Warwick, 3-7 August 2008 . pp. 67

Effect of temperature on the in vitro radial growth of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth Plutella xylostella

A - Papers appearing in refereed journals

Guzman-Franco, A. W., Clark, S. J., Alderson, P. G. and Pell, J. K. 2008. Effect of temperature on the in vitro radial growth of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth Plutella xylostella. BioControl. 53, pp. 501-516. https://doi.org/10.1007/s10526-007-9095-z

Transmission of Pandora neoaphidis in the presence of co-occurring arthropods

A - Papers appearing in refereed journals

Baverstock, J., Baverstock, K. E., Clark, S. J. and Pell, J. K. 2008. Transmission of Pandora neoaphidis in the presence of co-occurring arthropods. Journal of Invertebrate Pathology. 98 (3), pp. 356-359. https://doi.org/10.1016/j.jip.2008.02.003

Transcriptome analysis of grain development in hexaploid wheat

A - Papers appearing in refereed journals

Wan, Y., Poole, R. L., Huttly, A. K., Toscano-Underwood, C., Feeney, K., Welham, S. J., Gooding, M. J., Mills, C., Edwards, K. J., Shewry, P. R. and Mitchell, R. A. C. 2008. Transcriptome analysis of grain development in hexaploid wheat. BMC Genomics. 9, p. 121 (16pp). https://doi.org/10.1186/1471-2164-9-121

Weed and invertebrate community compositions in arable farmland

A - Papers appearing in refereed journals

Smith, V., Bohan, D. A., Clark, S. J., Haughton, A. J., Bell, J. R. and Heard, M. S. 2008. Weed and invertebrate community compositions in arable farmland. Arthropod-Plant Interactions. 2, pp. 21-30. https://doi.org/10.1007/s11829-007-9027-y

Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis

A - Papers appearing in refereed journals

Roy, H. E., Baverstock, J., Ware, R. L., Clark, S. J., Majerus, M. E. N., Baverstock, K. E. and Pell, J. K. 2008. Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis. Ecological Entomology. 33 (2), pp. 175-182. https://doi.org/10.1111/j.1365-2311.2007.00954.x

Identification of human-derived volatile chemicals that interfere with attraction of Aedes aegypti mosquitoes

A - Papers appearing in refereed journals

Logan, J. G., Birkett, M. A., Clark, S. J., Powers, S. J., Seal, N. J., Wadhams, L. J., Mordue (Luntz), A. J. and Pickett, J. A. 2008. Identification of human-derived volatile chemicals that interfere with attraction of Aedes aegypti mosquitoes. Journal of Chemical Ecology. 34, pp. 308-322. https://doi.org/10.1007/s10886-008-9436-0

National-scale metacommunity dynamics of carabid beetles in UK farmland

A - Papers appearing in refereed journals

Brooks, D. R., Perry, J. N., Clark, S. J., Heard, M. S., Firbank, L. G., Holdgate, R., Mason, N. S., Shortall, C. R., Skellern, M. P. and Woiwod, I. P. 2008. National-scale metacommunity dynamics of carabid beetles in UK farmland. Journal of Animal Ecology. 77 (2), pp. 265-274. https://doi.org/10.1111/j.1365-2656.2007.01331.x

Effect of seasonal abiotic conditions and field margin habitat on the activity of Pandora neoaphidis inoculum on soil

A - Papers appearing in refereed journals

Baverstock, J., Clark, S. J. and Pell, J. K. 2008. Effect of seasonal abiotic conditions and field margin habitat on the activity of Pandora neoaphidis inoculum on soil. Journal of Invertebrate Pathology. 97, pp. 282-290. https://doi.org/10.1016/j.jip.2007.09.004

Movement of transgenic plant-expressed Bt Cry1Ac proteins through high trophic levels

A - Papers appearing in refereed journals

Wei, W., Schuler, T. H., Clark, S. J., Stewart, C. N. Jr and Poppy, G. M. 2008. Movement of transgenic plant-expressed Bt Cry1Ac proteins through high trophic levels. Journal of Applied Entomology. 132 (1), pp. 1-11. https://doi.org/10.1111/j.1439-0418.2007.01242.x

The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project

C1 - Edited contributions to conferences/learned societies

Brooks, D. R., Firbank, L. G., Bohan, D. A., Champion, G. T., Clark, S. J., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R. and Woiwod, I. P. 2007. The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project. Proceedings Open Seminar on the Cultivation of Genetically Modified Crops and Evaluation of Ecological Effects, Tokyo, 3 November 2007 . NIAES, Tsukuba. pp. 29-52

Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis

C2 - Non-edited contributions to conferences

Baverstock, J., Roy, H. E., Ware, R. L., Clark, S. J., Majerus, M. E. N., Baverstock, K. E. and Pell, J. K. 2007. Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis. Abstracts Royal Entomological Society National Meeting (Ento 07), Edinburgh, 16-18 July 2007 . pp. 47

Transcriptome profiling of wheat genotypes differing in bread making quality under different environments

C2 - Non-edited contributions to conferences

Wan, Y., Mitchell, R. A. C., Leverington, M., Griffiths, S., Snape, J., Wheeler, T., Gooding, M., Poole, R., Edwards, K., Mills, C., Skeggs, P., Gezan, S., Welham, S. J., Shenton, C., Zhu, T. and Shewry, P. R. 2007. Transcriptome profiling of wheat genotypes differing in bread making quality under different environments. Abstracts 4th UK Small Grain Cereals Genetic and Genomics Workshop: From Genes to Traits, Cambridge, 14-16 March 2007 .

Non-inversion tillage to conserve functional biodiversity for biocontrol of oilseed rape pests

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Holdgate, R., Mason, N. S., Clark, S. J. and Williams, I. H. 2007. Non-inversion tillage to conserve functional biodiversity for biocontrol of oilseed rape pests. Proceedings 16th International Plant Protection Congress, Glasgow, 15-18 October 2007 . pp. 818-819

The influence of tillage on biocontrol agents of oilseed rape pests

C2 - Non-edited contributions to conferences

Ferguson, A. W., Holdgate, R., Mason, N. S., Clark, S. J. and Williams, I. H. 2007. The influence of tillage on biocontrol agents of oilseed rape pests. Abstracts Royal Entomological Society National Meeting (Ento 07), Edinburgh, 16-18 July 2007 . pp. 24

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

Ecotypes of the model legume Lotus japonicus vary in their interaction phenotypes with the root-knot nematode Meloidogyne incognita

A - Papers appearing in refereed journals

Cabrera Poch, H. L., Manzanilla-Lopez, R. H. and Clark, S. J. 2007. Ecotypes of the model legume Lotus japonicus vary in their interaction phenotypes with the root-knot nematode Meloidogyne incognita. Annals of Botany. 99, pp. 1223-1229. https://doi.org/10.1093/aob/mcm058

Nematicidal effects of cysteine proteinases against sedentary plant parastic nematodes

A - Papers appearing in refereed journals

Stepek, G., Curtis, R. H. C., Kerry, B. R., Shewry, P. R., Clark, S. J., Lowe, A. E., Duce, I. R., Buttle, D. J. and Behnke, J. M. 2007. Nematicidal effects of cysteine proteinases against sedentary plant parastic nematodes. Parasitology. 134, pp. 1831-1838. https://doi.org/10.1017/S0031182007003289

Environmental change and the phenology of European aphids

A - Papers appearing in refereed journals

Harrington, R., Clark, S. J., Welham, S. J., Verrier, P. J., Denholm, C. H., Hulle, M., Maurice, D., Rounsevell, M. D., Cocu, N. and European Union Examine Consortium 2007. Environmental change and the phenology of European aphids. Global Change Biology. 13 (8), pp. 1550-1564. https://doi.org/10.1111/j.1365-2486.2007.01394.x

Drought effects on yield and its components in Indian mustard (Brassica juncea L.)

A - Papers appearing in refereed journals

Chauhan, J. S., Tyagi, M. K., Kumar, A., Nashaat, N. I., Singh, M., Singh, N. B., Jakhar, M. L. and Welham, S. J. 2007. Drought effects on yield and its components in Indian mustard (Brassica juncea L.). Plant Breeding. 126 (4), pp. 399-402. https://doi.org/10.1111/j.1439-0523.2007.01394.x

Farm Scale Evaluations of herbicide-tolerant crops: assessment of within-field variation and sampling methodology for arable weeds

A - Papers appearing in refereed journals

Clark, S. J., Rothery, P., Perry, J. N. and Heard, M. S. 2007. Farm Scale Evaluations of herbicide-tolerant crops: assessment of within-field variation and sampling methodology for arable weeds. Weed Research. 47 (2), pp. 157-163. https://doi.org/10.1111/j.1365-3180.2007.00541.x

Statistical models to evaluate invertebrate-plant trophic interactions in arable systems

A - Papers appearing in refereed journals

Bohan, D. A., Hawes, C., Haughton, A. J., Denholm, I., Champion, G. T., Perry, J. N. and Clark, S. J. 2007. Statistical models to evaluate invertebrate-plant trophic interactions in arable systems. Bulletin of Entomological Research. 97 (3), pp. 265-280. https://doi.org/10.1017/S0007485307004890

Influence of host plant on susceptibility of the aphid Acyrthosiphon pisum (Hemiptera: Aphididae) to the fungal pathogen Pandora neoaphidis (Zygomycetes: Entomophthorales)

A - Papers appearing in refereed journals

Tkaczuk, C., Shah, P. A., Clark, S. J. and Pell, J. K. 2007. Influence of host plant on susceptibility of the aphid Acyrthosiphon pisum (Hemiptera: Aphididae) to the fungal pathogen Pandora neoaphidis (Zygomycetes: Entomophthorales). European Journal of Entomology. 104, pp. 205-210. https://doi.org/10.14411/eje.2007.032

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

Honey bees can disseminate a microbial control agent to more than one inflorescence pest of oilseed rape

A - Papers appearing in refereed journals

Carreck, N. L., Butt, T. M., Clark, S. J., Ibrahim, L., Isger, E. A., Pell, J. K. and Williams, I. H. 2007. Honey bees can disseminate a microbial control agent to more than one inflorescence pest of oilseed rape. Biocontrol Science and Technology. 17 (2), pp. 179-191. https://doi.org/10.1080/09583150600937485

A comparison of mixed model splines for curve fitting

A - Papers appearing in refereed journals

Welham, S. J., Cullis, B. R., Kenward, M. G. and Thompson, R. 2007. A comparison of mixed model splines for curve fitting. Australian & New Zealand Journal of Statistics. 49 (1), pp. 1-23. https://doi.org/10.1111/j.1467-842X.2006.00454.x

Multivariate spatial statistical analysis of longitudinal data in perennial crops

A - Papers appearing in refereed journals

De Resende, M. D. V., Thompson, R. and Welham, S. J. 2006. Multivariate spatial statistical analysis of longitudinal data in perennial crops. Revista de Matemática e Estatística, São Paulo,. 24 (1), pp. 147-169.

The effect of soil tillage on summer predator activity in a winter oilseed rape crop

C1 - Edited contributions to conferences/learned societies

Mason, N. S., Ferguson, A. W., Holdgate, R., Clark, S. J. and Williams, I. H. 2006. The effect of soil tillage on summer predator activity in a winter oilseed rape crop. Proceedings International Symposium on Integrated Pest Management, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

The diel periodicity of within-crop flight by key parasitoids of oilseed rape pests

C1 - Edited contributions to conferences/learned societies

Holdgate, R., Ferguson, A. W., Mason, N. S., Clark, S. J. and Williams, I. H. 2006. The diel periodicity of within-crop flight by key parasitoids of oilseed rape pests. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates

A - Papers appearing in refereed journals

Heard, M. S., Clark, S. J., Rothery, P., Perry, J. N., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Hawes, C., Haughton, A. J., May, M. J., Scott, R. J., Stuart, R. S., Squire, G. R. and Firbank, L. G. 2006. Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates. Annals of Applied Biology - AAB. 149 (3), pp. 249-254. https://doi.org/10.1111/j.1744-7348.2006.00091.x

Development and uptake of a scheme for predicting risk of severe light leaf spot on oilseed rape

G - Articles in popular magazines and other technical publications

Evans, N., Welham, S. J., Antoniw, J. F. and Fitt, B. D. L. 2006. Development and uptake of a scheme for predicting risk of severe light leaf spot on oilseed rape. Outlooks on Pest Management. 17 (6), pp. 243-245. https://doi.org/10.1564/17dec02

On spatial prediction of soil properties in the presence of a spatial trend: the empirical best linear unbiased predictor (E-BLUP) with REML

A - Papers appearing in refereed journals

Lark, R. M., Cullis, B. R. and Welham, S. J. 2006. On spatial prediction of soil properties in the presence of a spatial trend: the empirical best linear unbiased predictor (E-BLUP) with REML. European Journal of Soil Science. 57 (6), pp. 787-799. https://doi.org/10.1111/j.1365-2389.2005.00768.x

Pasture and sheep responses to lime application in a grazing experiment in a high-rainfall area, south-eastern Australia. I. Pasture production

A - Papers appearing in refereed journals

Li, G. D., Helyar, K. R., Welham, S. J., Conyers, M. K., Castleman, L. J. C., Fisher, R. P., Evans, C. M., Cullis, B. R. and Cregan, P. D. 2006. Pasture and sheep responses to lime application in a grazing experiment in a high-rainfall area, south-eastern Australia. I. Pasture production. Australian Journal of Agricultural Research. 57, pp. 1045-1055. https://doi.org/10.1071/AR05298

Estimating the spatial scales of regionalized variables by nested sampling, hierarchical analysis of variance and residual maximum likelihood

A - Papers appearing in refereed journals

Webster, R., Welham, S. J., Potts, J. M. and Oliver, M. A. 2006. Estimating the spatial scales of regionalized variables by nested sampling, hierarchical analysis of variance and residual maximum likelihood. Computers & Geosciences. 32, pp. 1320-1333. https://doi.org/10.1016/j.cageo.2005.12.002

Weed seed resources for birds in fields with contrasting conventional and genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Gibbons, D. W., Bohan, D. A., Rothery, P., Stuart, R. C., Haughton, A. J., Scott, R. J., Wilson, J. D., Perry, J. N., Clark, S. J., Dawson, R. J. G. and Firbank, L. G. 2006. Weed seed resources for birds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. Proceedings of the Royal Society of London Series B Biological Sciences. 273, pp. 1921-1928. https://doi.org/10.1098/rspb.2006.3522

The analysis of longitudinal data using mixed model L-splines

A - Papers appearing in refereed journals

Welham, S. J., Cullis, B. R., Kenward, M. G. and Thompson, R. 2006. The analysis of longitudinal data using mixed model L-splines. Biometrics. 62 (2), pp. 392-401. https://doi.org/10.1111/j.1541-0420.2005.00500.x

Major genetic changes in wheat with potential to affect disease tolerance

A - Papers appearing in refereed journals

Foulkes, M. J., Paveley, N. D., Worland, A., Welham, S. J., Thomas, J. and Snape, J. W. 2006. Major genetic changes in wheat with potential to affect disease tolerance. Phytopathology. 96, pp. 680-688. https://doi.org/10.1094/PHYTO-96-0680

Bee-mediated infection of inflorescence pests of oilseed rape by the entomopathogenic fungus Metarhizium anisopliae

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Butt, T. M., Carreck, N. L., Clark, S. J., Ibrahim, L., Isger, E. A. and Pell, J. K. 2006. Bee-mediated infection of inflorescence pests of oilseed rape by the entomopathogenic fungus Metarhizium anisopliae. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Long-term trends in aerial insect populations. Final report to English Nature

D1 - Technical reports: non-confidential

Shortall, C. R., Harrington, R., Hall, M. J. and Clark, S. J. 2006. Long-term trends in aerial insect populations. Final report to English Nature. English Nature.

Light leaf spot risk reduced due to "dry" winter

G - Articles in popular magazines and other technical publications

Evans, N., Welham, S. J., Antoniw, J. F. and Fitt, B. D. L. 2006. Light leaf spot risk reduced due to "dry" winter. RRA Newsletter. No. 21, p. 1.

Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops

A - Papers appearing in refereed journals

Firbank, L. G., Rothery, P., May, M. J., Clark, S. J., Scott, R. J., Stuart, R. C., Boffey, C. W. H., Brooks, D. R., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Dewar, A. M., Perry, J. N. and Squire, G. R. 2006. Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops. Biology Letters. 2, pp. 140-143. https://doi.org/10.1098/rsbl.2005.0390

Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment

A - Papers appearing in refereed journals

Clark, S. J., Rothery, P. and Perry, J. N. 2006. Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 237-243. https://doi.org/10.1098/rspb.2005.3282

Effect of fungal infection on the reproductive potential of aphids and their progeny

A - Papers appearing in refereed journals

Baverstock, J., Roy, H. E., Clark, S. J., Alderson, P. G. and Pell, J. K. 2006. Effect of fungal infection on the reproductive potential of aphids and their progeny. Journal of Invertebrate Pathology. 91, pp. 136-139. https://doi.org/10.1016/j.jip.2005.11.005

Development of ‘RL Plus’: winter wheat variety performance in relation to site characteristics (HGCA Project Report No. 365)

D1 - Technical reports: non-confidential

Welham, S. J., Thompson, R. and Sylvester-Bradley, R. 2005. Development of ‘RL Plus’: winter wheat variety performance in relation to site characteristics (HGCA Project Report No. 365). Stoneleigh Home Grown Cereals Authority (HGCA).

Use of risk prediction models for integrated control of diseases of oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Evans, N., Welham, S. J., Baierl, A., Antoniw, J. F., Papastamati, K., Van Den Bosch, F., Fitt, B. D. L., Gladders, P., Turner, J. A. and Elcock, S. 2005. Use of risk prediction models for integrated control of diseases of oilseed rape in the UK. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 31 October-2 November 2005 . pp. 649-654

Age-related increase in levels of insecticidal protein in the progenies of transgenic oilseed rape and its efficacy against a susceptible strain of diamondback moth

A - Papers appearing in refereed journals

Wei, W., Schuler, T. H., Clark, S. J., Stewart, C. N. and Poppy, G. M. 2005. Age-related increase in levels of insecticidal protein in the progenies of transgenic oilseed rape and its efficacy against a susceptible strain of diamondback moth. Annals of Applied Biology - AAB. 147 (3), pp. 227-234. https://doi.org/10.1111/j.1744-7348.2005.00024.x

Wheat containing snowdrop lectin (GNA) does not affect infection of the cereal aphid Metopolophium dirhodum by the fungal natural enemy Pandora neoaphidis

A - Papers appearing in refereed journals

Shah, P. A., Gatehouse, A. M. R., Clark, S. J. and Pell, J. K. 2005. Wheat containing snowdrop lectin (GNA) does not affect infection of the cereal aphid Metopolophium dirhodum by the fungal natural enemy Pandora neoaphidis. Transgenic Research. 14, pp. 473-476. https://doi.org/10.1007/s11248-005-5877-1

Invertebrate biodiversity in maize following withdrawal of triazine herbicides

A - Papers appearing in refereed journals

Brooks, D. R., Clark, S. J., Perry, J. N., Bohan, D. A., Champion, G. T., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S. and Woiwod, I. P. 2005. Invertebrate biodiversity in maize following withdrawal of triazine herbicides. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 1497-1502. https://doi.org/10.1098/rspb.2005.3102

Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect

A - Papers appearing in refereed journals

Schuler, T. H., Clark, A. J., Clark, S. J., Poppy, G. M., Stewart, C. N. Jr and Denholm, I. 2005. Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect. Bulletin of Entomological Research. 95 (3), pp. 243-247. https://doi.org/10.1079/BER2004356

Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape

A - Papers appearing in refereed journals

Bohan, D. A., Boffey, C. W. H., Brooks, D. R., Clark, S. J., Dewar, A. M., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R., Woiwod, I. P. and Champion, G. T. 2005. Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape. Proceedings of the Royal Society B: Biological Sciences. 272, pp. 463-474. https://doi.org/10.1098/rspb.2004.3049

Effect of a turnip rape (Brassica rapa ) trap crop on stem-mining pests and their parasitoids in winter oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Barari, H., Cook, S. M., Clark, S. J. and Williams, I. H. 2005. Effect of a turnip rape (Brassica rapa ) trap crop on stem-mining pests and their parasitoids in winter oilseed rape (Brassica napus ). BioControl. 50, pp. 69-86. https://doi.org/10.1007/s10526-004-0895-0

Conservation biological control with the fungal pathogen Pandora neoaphidis : implications of aphid species, host plant and predator foraging

A - Papers appearing in refereed journals

Ekesi, S., Shah, P. A., Clark, S. J. and Pell, J. K. 2005. Conservation biological control with the fungal pathogen Pandora neoaphidis : implications of aphid species, host plant and predator foraging. Agricultural and Forest Entomology. 7 (1), pp. 21-30. https://doi.org/10.1111/j.1461-9555.2005.00239.x

Exploitation of aphid monitoring systems in Europe to improve observation and prediction of global change impacts on terrestrial ecosystems: EXAMINE. (Final report to the EU on contract EVK2-CT-1999-20001)

D1 - Technical reports: non-confidential

Harrington, R., Verrier, P. J., Denholm, C. H., Clarke, S. J., Welham, S. J., Maurice, D., Rounsevell, M., Cocu, N., Knight, J. and Hulle, M. 2004. Exploitation of aphid monitoring systems in Europe to improve observation and prediction of global change impacts on terrestrial ecosystems: EXAMINE. (Final report to the EU on contract EVK2-CT-1999-20001).

Comments on the use of statistical tests in the comparison of stochastic weather generators by Qian et al. (2004)

A - Papers appearing in refereed journals

Semenov, M. A. and Welham, S. J. 2004. Comments on the use of statistical tests in the comparison of stochastic weather generators by Qian et al. (2004). Climate Research. 28 (1), pp. 83-84. https://doi.org/10.3354/cr028083

A perspective on the measurement of time in plant disease epidemiology

A - Papers appearing in refereed journals

Lovell, D. J., Powers, S. J., Welham, S. J. and Parker, S. R. 2004. A perspective on the measurement of time in plant disease epidemiology. Plant Pathology. 53 (6), pp. 705-712. https://doi.org/10.1111/j.1365-3059.2004.01097.x

Development of the oilseed rape light leaf spot forecast: from model to mobile phone

A - Papers appearing in refereed journals

Evans, N., Welham, S. J., Baierl, A., Antoniw, J. F. and Fitt, B. D. L. 2004. Development of the oilseed rape light leaf spot forecast: from model to mobile phone. Aspects of Applied Biology. 72, pp. 67-74.

Predicting light leaf spot (Pyrenopeziza brassicae ) risk on winter oilseed rape (Brassica napus ) in England and Wales, using survey, weather and crop information

A - Papers appearing in refereed journals

Welham, S. J., Turner, J. A., Gladders, P., Fitt, B. D. L., Evans, N. and Baierl, A. 2004. Predicting light leaf spot (Pyrenopeziza brassicae ) risk on winter oilseed rape (Brassica napus ) in England and Wales, using survey, weather and crop information. Plant Pathology. 53, pp. 713-724.

Interactions between Pandora blunckii and Zoophthora radicans isolates in Plutella xylostella populations

C2 - Non-edited contributions to conferences

Guzman-Franco, A., Clark, S. J., Alderson, P. G. and Pell, J. K. 2004. Interactions between Pandora blunckii and Zoophthora radicans isolates in Plutella xylostella populations. Abstracts 37th Annual Meeting of the Society for Invertebrate Pathology, Helsinki, 1-6 August 2004 . pp. 68

Prediction in linear mixed models

A - Papers appearing in refereed journals

Welham, S. J., Cullis, B. R., Gogel, B., Gilmour, A. and Thompson, R. 2004. Prediction in linear mixed models. Australian & New Zealand Journal of Statistics. 46 (3), pp. 325-347. https://doi.org/10.1111/j.1467-842X.2004.00334.x

Tolerance of septoria leaf blotch in winter wheat

A - Papers appearing in refereed journals

Parker, S. R., Welham, S. J., Paveley, N. D., Foulkes, J. and Scott, R. K. 2004. Tolerance of septoria leaf blotch in winter wheat. Plant Pathology. 53 (1), pp. 1-10. https://doi.org/10.1111/j.1365-3059.2004.00951.x

Evidence for gene flow and local clonal selection in field populations of the grain aphid (Sitobion avenae ) in Britain revealed using microsatellites

A - Papers appearing in refereed journals

Llewellyn, K. S., Loxdale, H. D., Harrington, R., Clark, S. J. and Sunnucks, P. 2004. Evidence for gene flow and local clonal selection in field populations of the grain aphid (Sitobion avenae ) in Britain revealed using microsatellites. Heredity. 93, pp. 143-153. https://doi.org/10.1038/sj.hdy.6800466

An efficient computing strategy for prediction in mixed linear models

A - Papers appearing in refereed journals

Gilmour, A., Cullis, B. R., Welham, S. J., Gogel, B. and Thompson, R. 2004. An efficient computing strategy for prediction in mixed linear models. Computational Statistics & Data Analysis. 44 (4), pp. 571-586. https://doi.org/10.1016/S0167-9473(02)00258-X

Effect of fungal infection on the reproductive potential of aphids and their progeny

C2 - Non-edited contributions to conferences

Baverstock, J., Roy, H. E., Clark, S. J. and Pell, J. K. 2004. Effect of fungal infection on the reproductive potential of aphids and their progeny. Abstracts 37th Annual Meeting of the Society for Invertebrate Pathology, Helsinki, 1-6 August 2004 . pp. 68

Research needs on the design, analysis and statistical powers of studies of the effects of agricultural practices on biodiversity

C1 - Edited contributions to conferences/learned societies

Perry, J. N., Clark, S. J. and Rothery, P. 2004. Research needs on the design, analysis and statistical powers of studies of the effects of agricultural practices on biodiversity. Watt, A. D., Kull, T., Scally, L., Tinch, R., Young, J. and Bolger, T. (ed.) Sustaining Livelihoods and Biodiversity - Attaining the 2010 Target in the European Biodiversity Strategy. Report of an Electronic Conference, May 2004 . pp. 36

Position of inoculum in the canopy affects the risk of septoria tritici blotch epidemics in winter wheat

A - Papers appearing in refereed journals

Lovell, D. J., Parker, S. R., Hunter, T., Welham, S. J. and Nichols, A. R. 2004. Position of inoculum in the canopy affects the risk of septoria tritici blotch epidemics in winter wheat. Plant Pathology. 53 (1), pp. 11-21. https://doi.org/10.1046/j.1365-3059.2003.00939.x

Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping

A - Papers appearing in refereed journals

Perry, J. N., Firbank, L. G., Champion, G. T., Clark, S. J., Heard, M. S., May, M. J., Hawes, C., Squire, G. R., Rothery, P., Woiwod, I. P. and Pidgeon, J. D. 2004. Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping. Nature. 428 (6980), pp. 313-316. https://doi.org/10.1038/nature02374

Effects of Bt plants on the development and survival of the parasitoid Cotesia plutellae (Hymenoptera: Braconidae) in susceptible and Bt-resistant larvae of the diamondback moth Plutella xylostella (Lepidoptera: Plutellidae)

A - Papers appearing in refereed journals

Schuler, T. H., Denholm, I., Clark, S. J., Stewart, C. N. and Poppy, G. M. 2004. Effects of Bt plants on the development and survival of the parasitoid Cotesia plutellae (Hymenoptera: Braconidae) in susceptible and Bt-resistant larvae of the diamondback moth Plutella xylostella (Lepidoptera: Plutellidae). Journal of Insect Physiology. 50, pp. 435-443.

Assessment of aphid host range and isolate variability in Pandora neoaphidis (Zygomycetes: Entomophthorales)

A - Papers appearing in refereed journals

Shah, P. A., Clark, S. J. and Pell, J. K. 2004. Assessment of aphid host range and isolate variability in Pandora neoaphidis (Zygomycetes: Entomophthorales). Biological Control. 29, pp. 90-99. https://doi.org/10.1016/S1049-9644(03)00130-0

Testing the adequacy of measured data for evaluating nitrogen turnover models by the dot-to-dot method

A - Papers appearing in refereed journals

Smith, J. U., Smith, P., Richter, G. M., Agostini, F. A. and Welham, S. J. 2003. Testing the adequacy of measured data for evaluating nitrogen turnover models by the dot-to-dot method. European Journal of Soil Science. 54 (1), pp. 175-185. https://doi.org/10.1046/j.1365-2389.2003.00501.x

Multivariate spatial statistical analysis in perennial crops

C2 - Non-edited contributions to conferences

Vilela De Resende, M. D., Thompson, R., Welham, S. J. and Baierl, A. 2003. Multivariate spatial statistical analysis in perennial crops. Abstracts International Biometric Society British Region Conference, Reading, 16-18 September 2003 . pp. 70

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003.

Direct and indirect estimates of Pandora neoaphidis conidia in laboratory bioassays with aphids

A - Papers appearing in refereed journals

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Direct and indirect estimates of Pandora neoaphidis conidia in laboratory bioassays with aphids. Journal of Invertebrate Pathology. 84, pp. 145-147. https://doi.org/10.1016/j.jip.2003.09.002

Population dynamics of the large nettle aphid, Microlophium carnosum , and entomopathogenic fungi

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Population dynamics of the large nettle aphid, Microlophium carnosum , and entomopathogenic fungi. Abstracts British Ecological Society Annual Meeting, Manchester, 9-11 September 2003 .

Spatial aspects of light leaf spot (Pyrenopeziza brassicae ) epidemic development on winter oilseed rape (Brassica napus ) in the United Kingdom

A - Papers appearing in refereed journals

Evans, N., Baierl, A., Brain, P., Welham, S. J. and Fitt, B. D. L. 2003. Spatial aspects of light leaf spot (Pyrenopeziza brassicae ) epidemic development on winter oilseed rape (Brassica napus ) in the United Kingdom. Phytopathology. 93 (6), pp. 657-665. https://doi.org/10.1094/PHYTO.2003.93.6.657

The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report)

D1 - Technical reports: non-confidential

Firbank, L. G., Perry, J. N., Squire, G. R., Bohan, D. A., Brooks, D. R., Champion, G. T., Clark, S. J., Daniels, R. E., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., Hill, M. O., May, M. J., Osborne, J. L., Rothery, P., Roy, D. B., Scott, R. J. and Woiwod, I. P. 2003. The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report).

Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Rothery, P., Clark, S. J. and Perry, J. N. 2003. Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops. Environmetrics. 14 (7), pp. 711-717. https://doi.org/10.1002/env.619

Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Hawes, C., Haughton, A. J., Osborne, J. L., Roy, D. B., Clark, S. J., Perry, J. N., Rothery, P., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Heard, M. S., Woiwod, I. P., Daniels, R. E., Young, M. W., Parish, A. M., Scott, R. J., Firbank, L. G. and Squire, G. R. 2003. Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1899-1913. https://doi.org/10.1098/rstb.2003.1406

Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Roy, D. B., Bohan, D. A., Haughton, A. J., Hill, M. O., Osborne, J. L., Clark, S. J., Perry, J. N., Rothery, P., Scott, R. J., Brooks, D. R., Champion, G. T., Hawes, C., Heard, M. S. and Firbank, L. G. 2003. Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1879-1898. https://doi.org/10.1098/rstb.2003.1404

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods

A - Papers appearing in refereed journals

Haughton, A. J., Champion, G. T., Hawes, C., Heard, M. S., Brooks, D. R., Bohan, D. A., Clark, S. J., Dewar, A. M., Firbank, L. G., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Browne, E. L., Dewar, A. J. G., Garner, B. H., Haylock, L. A., Horne, S. L., Mason, N. S., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1863-1877.

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates

A - Papers appearing in refereed journals

Brooks, D. R., Bohan, D. A., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Clark, S. J., Dewar, A. M., Firbank, L. G., Perry, J. N., Rothery, P., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Bell, D., Browne, E. L., Dewar, A. J. G., Fairfax, C. M., Garner, B. H., Haylock, L. A., Horne, S. L., Hulmes, S. E., Mason, N. S., Norton, L. R., Nuttall, P., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1847-1862. https://doi.org/10.1098/rstb.2003.1407

Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species

A - Papers appearing in refereed journals

Heard, M. S., Hawes, C., Champion, G. T., Clark, S. J., Firbank, L. G., Haughton, A. J., Parish, A. M., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Skellern, M. P., Squire, G. R. and Hill, M. O. 2003. Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1833-1846. https://doi.org/10.1098/rstb.2003.1401

Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity

A - Papers appearing in refereed journals

Heard, M. S., Hawes, C., Champion, G. T., Clark, S. J., Firbank, L. G., Haughton, A. J., Parish, A. M., Perry, J. N., Rothery, P., Scott, R. J., Skellern, M. P., Squire, G. R. and Hill, M. O. 2003. Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1819-1832. https://doi.org/10.1098/rstb.2003.1402

Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Champion, G. T., May, M. J., Bennett, S., Brooks, D. R., Clark, S. J., Daniels, R. E., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S., Perry, J. N., Randle, Z., Rossall, M. J., Rothery, P., Skellern, M. P., Scott, R. J., Squire, G. R. and Thomas, M. R. 2003. Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1801-1818. https://doi.org/10.1098/rstb.2003.1405

Interactive forecasting of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape on the internet

C1 - Edited contributions to conferences/learned societies

Evans, N., Steed, J. M., Welham, S. J., Antoniw, J. F., Baierl, A., Turner, J. A., Gladders, P. and Fitt, B. D. L. 2003. Interactive forecasting of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape on the internet. Proceedings 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 . pp. 1067-1069

Tritrophic interactions between Pandora neoaphidis , three aphid species and different host plant resources

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Tritrophic interactions between Pandora neoaphidis , three aphid species and different host plant resources. Abstracts 36th Annual Meeting of the Society for Invertebrate Pathology, Burlington, 26-30 July 2003 . pp. 72

Ecological role of the large nettle aphid, Microlophium carnosum , as an early season source of Pandora neoaphidis

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Ecological role of the large nettle aphid, Microlophium carnosum , as an early season source of Pandora neoaphidis. Abstracts 36th Annual Meeting of the Society for Invertebrate Pathology, Burlington, 26-30 July 2003 . pp. 71-72

Impacts of environmental change on aphids throughout Europe

C2 - Non-edited contributions to conferences

Harrington, R., Denholm, C. H., Verrier, P. J., Clark, S. J., Welham, S. J., Hulle, M., Maurice, D., Rounsevell, M., Cocu, N., Knight, J., Bell, N., Barbagallo, S., Basky, Z., Coceano, P. G., Derron, J., Katis, N., Lukasova, H., Marrkula, I., Mohar, J., Pickup, J., Rolot, J-L., Ruszkowska, M., Schliephake, E., Seco-Fernandez, M-V., Sigvald, R., Tsitsipis, J. and Ulber, B. 2003. Impacts of environmental change on aphids throughout Europe. Abstracts Integrated Biological Systems Conference, San Antonio, Texas, 14-16 April 2003 . pp. 39-40

Spatial distribution of pest insects in oilseed rape: implications for integrated pest management

A - Papers appearing in refereed journals

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2003. Spatial distribution of pest insects in oilseed rape: implications for integrated pest management. Agriculture, Ecosystems & Environment. 95 (2-3), pp. 509-521. https://doi.org/10.1016/S0167-8809(02)00200-1

Design, analysis and statistical power of the Farm-Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Perry, J. N., Rothery, P., Clark, S. J., Heard, M. S. and Hawes, C. 2003. Design, analysis and statistical power of the Farm-Scale Evaluations of genetically modified herbicide-tolerant crops. Journal of Applied Ecology. 40 (1), pp. 17-31. https://doi.org/10.1046/j.1365-2664.2003.00786.x

Laboratory evaluation of temperature effects on the germination and growth of entomopathogenic fungi and on their pathogenicity to two aphid species

A - Papers appearing in refereed journals

Yeo, H., Pell, J. K., Alderson, P. G., Clark, S. J. and Pye, B. J. 2003. Laboratory evaluation of temperature effects on the germination and growth of entomopathogenic fungi and on their pathogenicity to two aphid species. Pest Management Science. 59 (2), pp. 156-165. https://doi.org/10.1002/ps.622

Migration and genetic structure of the grain aphid (Sitobion avenae ) in Britain related to climate and clonal fluctuation as revealed using microsatellites

A - Papers appearing in refereed journals

Llewellyn, K. S., Loxdale, H. D., Harrington, R., Brookes, C. P., Clark, S. J. and Sunnucks, P. 2003. Migration and genetic structure of the grain aphid (Sitobion avenae ) in Britain related to climate and clonal fluctuation as revealed using microsatellites. Molecular Ecology. 12 (1), pp. 21-34. https://doi.org/10.1046/j.1365-294X.2003.01703.x

Tritrophic choice experiments with Bt plants, the diamondback moth (Plutella xylostella ) and the parasitoid Cotesia plutellae

A - Papers appearing in refereed journals

Schuler, T. H., Potting, R. P. J., Denholm, I., Clark, S. J., Clark, A. J., Stewart, C. N. and Poppy, G. M. 2003. Tritrophic choice experiments with Bt plants, the diamondback moth (Plutella xylostella ) and the parasitoid Cotesia plutellae. Transgenic Research. 12, pp. 351-361.

Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors

C2 - Non-edited contributions to conferences

Papastamati, K., Van Den Bosch, F., Welham, S. J., Fitt, B. D. L., Evans, N. and Steed, J. M. 2002. Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors. Cambridge University Press (CUP).

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002.

Examine(exploitation of aphis monitoring in europe): an EU thematic network for the study of global change impacts on aphid dynamics

C2 - Non-edited contributions to conferences

Denholm, C. H., Barbagallo, S., Basky, Z., Bell, J. N. B., Clark, S. J., Coceano, P-G., Cocu, N., Colucci, R., Derron, J., Ferrara, V., Gotlin Euljak, T., Harrington, R., Hatala Zseller, I., Hulle, M., Katis, N., Knight, J. D., Limonta, L., Lukasova, H., Markkula, I., Maurice, D., Mohar, J., Pickup, J., Rolot, J-L., Rounsevell, M. D. A., Ruszkowska, M., Schleiphake, E., Seco-Fernandez, M. V., Sigvald, R., Verrier, P. J. and Welham, S. J. 2002. Examine(exploitation of aphis monitoring in europe): an EU thematic network for the study of global change impacts on aphid dynamics. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 317

Improving and exploiting self-defence against wheat diseases

C1 - Edited contributions to conferences/learned societies

Parker, S. R., Paveley, N. D., Foulkes, M. J., Lovell, D. J., Welham, S. J. and Worland, A. J. 2002. Improving and exploiting self-defence against wheat diseases. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 919-924

Analysis of time series

B - Book chapters etc edited externally

Tunnicliffe Wilson, G. and Welham, S. J. 2002. Analysis of time series. in: Payne, R. W. (ed.) Guide to GenStat release 6.1. Part 2. Statistics VSN International, Hemel Hempstead. pp. 705-788

REML analysis of mixed models

B - Book chapters etc edited externally

Thompson, R. and Welham, S. J. 2002. REML analysis of mixed models. in: Payne, R. W. (ed.) Guide to GenStat release 6.1. Part 2. Statistics Hemel Hempstead VSN International. pp. 461-560

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.

ASREML user guide release 1.0

D1 - Technical reports: non-confidential

Gilmour, A. R., Gogel, B. J., Cullis, B. R., Welham, S. J. and Thompson, R. 2002. ASREML user guide release 1.0. VSN International, Hemel Hempstead.

Quantification of raindrop kinetic energy for improved prediction of splash-dispersed pathogens

A - Papers appearing in refereed journals

Lovell, D. J., Parker, S. R., Van Peteghem, P., Webb, D. A. and Welham, S. J. 2002. Quantification of raindrop kinetic energy for improved prediction of splash-dispersed pathogens. Phytopathology. 92 (5), pp. 497-503. https://doi.org/10.1094/PHYTO.2002.92.5.497

Laboratory bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (Acari: Mesostigmata), an ectoparasitic mite of the honeybee, Apis mellifera

A - Papers appearing in refereed journals

Shaw, K. E., Davidson, G., Clark, S. J., Ball, B. V., Pell, J. K., Chandler, D. and Sunderland, K. D. 2002. Laboratory bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (Acari: Mesostigmata), an ectoparasitic mite of the honeybee, Apis mellifera. Biological Control. 24, pp. 266-276. https://doi.org/10.1016/S1049-9644(02)00029-4

Interactive forecasting on the Internet of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Evans, N., Steed, J. M., Welham, S. J., Antoniw, J. F., Turner, J. A., Gladders, P. and Fitt, B. D. L. 2002. Interactive forecasting on the Internet of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape.

ASREML estimates variance matrices from multivariate data using the animal model

C1 - Edited contributions to conferences/learned societies

Gilmour, A. R., Thompson, R., Cullis, B. R. and Welham, S. J. 2002. ASREML estimates variance matrices from multivariate data using the animal model. Proceedings 7th World Congress on Genetics Applied to Livestock Production, Montpellier, 19-23 August 2002 . pp. 28-05

The variational expression of Bt proteins within transgenic canola and its movement through trophic levels

C2 - Non-edited contributions to conferences

Wei, W., Schuler, T. H., Clark, S. J., Stewart, C. N. and Poppy, G. M. 2002. The variational expression of Bt proteins within transgenic canola and its movement through trophic levels. Abstracts 7th International Symposium on the Biosafety of Genetically Modified Organisms, Beijing, 10-16 October 2002 .

Design, analysis and power considerations of field-scale ecological assessments of genetically modified crops

C2 - Non-edited contributions to conferences

Perry, J. N., Rothery, P., Clark, S. J., Heard, M. S. and Hawes, C. 2002. Design, analysis and power considerations of field-scale ecological assessments of genetically modified crops. Abstracts ESF Workshop on Ecological Concepts and Techniques to Assess the Impact of Genetically Modified Plants in Natural and Crop Ecosystems, Klarskovgard, 1-2 November 2002 . pp. 20

Spatial pattern in the distribution of pests and yield in an oilseed rape crop: implications for ICM

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Perry, J. N., Williams, I. H., Klukowski, Z., Walczak, B., Clark, S. J. and Mugglestone, M. A. 2002. Spatial pattern in the distribution of pests and yield in an oilseed rape crop: implications for ICM. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 659-664

Spatial patterns of insect pest distribution in an oilseed rape crop: relationships to plant growth and yield and significance for IPM

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2002. Spatial patterns of insect pest distribution in an oilseed rape crop: relationships to plant growth and yield and significance for IPM. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 207

Spatial pattern and the relationship between pests and plant growth in a winter oilseed rape crop

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2002. Spatial pattern and the relationship between pests and plant growth in a winter oilseed rape crop. Abstracts 6th National Meeting of the Royal Entomological Society, Cardiff, 12-13 September 2002 . pp. 15-16

A tiered approach for evaluating Erynia neoaphidis isolates against seven aphid species

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2002. A tiered approach for evaluating Erynia neoaphidis isolates against seven aphid species. Abstracts 35th Annual Meeting of the Society for Invertebrate Pathology, Foz do Iguassu, Brazil, 18-23 August 2002 . pp. 104

Design and analysis of farm-scale evaluations of genetically modified herbicide-tolerant crops

C1 - Edited contributions to conferences/learned societies

Rothery, P., Clark, S. J. and Perry, J. N. 2002. Design and analysis of farm-scale evaluations of genetically modified herbicide-tolerant crops. Proceedings 21st International Biometric Conference, Freiburg, 21-26 July 2002 . pp. 351-364

Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors

A - Papers appearing in refereed journals

Papastamati, K., Van Den Bosch, F., Welham, S. J., Fitt, B. D. L., Evans, N. and Steed, J. M. 2002. Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors. Ecological Modelling. 148, pp. 169-189.

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

Bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (sp. nov), an ectoparasitic mite of the honey bee, Apis mellifera

C2 - Non-edited contributions to conferences

Shaw, K. E., Davidson, G., Clark, S. J., Ball, B. V., Pell, J. K., Chandler, D. and Sunderland, K. 2001. Bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (sp. nov), an ectoparasitic mite of the honey bee, Apis mellifera. Abstracts 34th Annual Meeting of the Society for Invertebrate Pathology, Noordwijkerhout, 25-30 August 2001 .

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001.

Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ) in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors

C2 - Non-edited contributions to conferences

Papastamati, K., Van Den Bosch, F., Welham, S. J., Fitt, B. D. L., Evans, N. and Steed, J. M. 2001. Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ) in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors. Abstracts 8th International Workshop on Plant Disease Epidemiology, Ouro Preto, Brazil, 6-11 May 2001 .

Comparison of the use of two nematode-trapping fungi in the control of Haemonchus contortus infective larvae in ovine faeces

A - Papers appearing in refereed journals

Flores Crespo, J., Mendoza De Gives, P., Herrera Rodriguez, D., Liebano Hernandez, E., Vazquez Prats, V. and Clark, S. J. 2001. Comparison of the use of two nematode-trapping fungi in the control of Haemonchus contortus infective larvae in ovine faeces. International journal of nematology. 11, pp. 253-259.

Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in relation to leaf wetness and temperature

A - Papers appearing in refereed journals

Papastamati, K., Welham, S. J., Fitt, B. D. L. and Gladders, P. 2001. Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in relation to leaf wetness and temperature. Plant Pathology. 50 (2), pp. 154-164. https://doi.org/10.1046/j.1365-3059.2001.00551.x

Are fecundity and longevity of female Aphelinus abdominalis affected by development in GNA-dosed Macrosiphum euphorbiae?

A - Papers appearing in refereed journals

Couty, A., Clark, S. J. and Poppy, G. M. 2001. Are fecundity and longevity of female Aphelinus abdominalis affected by development in GNA-dosed Macrosiphum euphorbiae? Physiological Entomology. 26 (4), pp. 287-293. https://doi.org/10.1046/j.0307-6962.2001.00248.x

Modelling of rain splash trajectories and prediction of rain splash height

A - Papers appearing in refereed journals

Pietravalle, S., Van Den Bosch, F., Welham, S. J., Parker, S. R. and Lovell, D. J. 2001. Modelling of rain splash trajectories and prediction of rain splash height. Agricultural and Forest Meteorology. 109, pp. 171-185. https://doi.org/10.1016/S0168-1923(01)00267-2

Stem canker on winter oilseed rape during three growing seasons in England, France and Poland: an ACCESS database of results from the IMASCORE field experiments

J - Computer programs

Leech, P. K. and Welham, S. J. 2001. Stem canker on winter oilseed rape during three growing seasons in England, France and Poland: an ACCESS database of results from the IMASCORE field experiments.

The effect of natural enemies on the spread of barley yellow dwarf virus (BYDV) by Rhopalosiphum padi (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Smyrnioudis, I. N., Harrington, R., Clark, S. J. and Katis, N. 2001. The effect of natural enemies on the spread of barley yellow dwarf virus (BYDV) by Rhopalosiphum padi (Hemiptera: Aphididae). Bulletin of Entomological Research. 91 (4), pp. 301-306. https://doi.org/10.1079/BER2001110

Population-scale laboratory studies of the effect of transgenic plants on nontarget insects

A - Papers appearing in refereed journals

Schuler, T. H., Denholm, I., Jouanin, L., Clark, S. J., Clark, A. J. and Poppy, G. M. 2001. Population-scale laboratory studies of the effect of transgenic plants on nontarget insects. Molecular Ecology. 10 (7), pp. 1845-1853. https://doi.org/10.1046/j.0962-1083.2001.01309.x

Conidial discharge in the aphid pathogen Erynia neoaphidis

A - Papers appearing in refereed journals

Hemmati, F., Pell, J. K., McCartney, H. A., Clark, S. J. and Deadman, M. L. 2001. Conidial discharge in the aphid pathogen Erynia neoaphidis. Mycological Research. 105 (6), pp. 715-722. https://doi.org/10.1017/S0953756201004014

The effect of temperature on variation in transmission of a BYDV PAV-like isolate by clones of Rhopalosiphum padi and Sitobion avenae

A - Papers appearing in refereed journals

Smyrnioudis, I. N., Harrington, R., Hall, M. J., Katis, N. and Clark, S. J. 2001. The effect of temperature on variation in transmission of a BYDV PAV-like isolate by clones of Rhopalosiphum padi and Sitobion avenae. European Journal of Plant Pathology. 107, pp. 167-173.

Direct and indirect sublethal effects of Galanthus nivalis agglutinin (GNA) on the development of a potato-aphid parasitoid, Aphelinus abdominalis (Hymenoptera: Aphelinidae)

A - Papers appearing in refereed journals

Couty, A., De La Vina, G., Clark, S. J., Kaiser, L., Pham-Delegue, M-H. and Poppy, G. M. 2001. Direct and indirect sublethal effects of Galanthus nivalis agglutinin (GNA) on the development of a potato-aphid parasitoid, Aphelinus abdominalis (Hymenoptera: Aphelinidae). Journal of Insect Physiology. 47 (6), pp. 553-561. https://doi.org/10.1016/S0022-1910(00)00148-7

Modelling the effects of temperature and wetness duration on development of light leaf spot on oilseed rape leaves inoculated with Pyrenopeziza brassicae conidia

A - Papers appearing in refereed journals

Gilles, T., Fitt, B. D. L., Welham, S. J., Evans, N., Steed, J. M. and Jeger, M. J. 2001. Modelling the effects of temperature and wetness duration on development of light leaf spot on oilseed rape leaves inoculated with Pyrenopeziza brassicae conidia. Plant Pathology. 50 (1), pp. 42-52. https://doi.org/10.1046/j.1365-3059.2001.00542.x

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Glen, D. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., Maudsley, M. J., Marshall, E. J. P., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2000. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000. Department for Environment, Food & Rural Affairs (DEFRA).

Relationships between phoma leaf spot and development of stem canker (Leptosphaeria maculans ) on winter oilseed rape (Brassica napus ) in southern England

A - Papers appearing in refereed journals

Sun, P., Fitt, B. D. L., Gladders, P. and Welham, S. J. 2000. Relationships between phoma leaf spot and development of stem canker (Leptosphaeria maculans ) on winter oilseed rape (Brassica napus ) in southern England. Annals of Applied Biology - AAB. 137 (2), pp. 113-125. https://doi.org/10.1111/j.1744-7348.2000.tb00043.x

A comparison of modelling methods for forecasting light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Welham, S. J., Papastamati, K., Fitt, B. D. L., Turner, J. A. and Gladders, P. 2000. A comparison of modelling methods for forecasting light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 801-808

Introducing an interactive Internet based forecasting system for light leaf spot of winter oilseed rape in the UK

G - Articles in popular magazines and other technical publications

Evans, N., Antoniw, J. F., Fitt, B. D. L., Gladders, P. and Welham, S. J. 2000. Introducing an interactive Internet based forecasting system for light leaf spot of winter oilseed rape in the UK. GCIRC Bulletin. 17, pp. 48-52.

The effect of drought stress and temperature on spread of barley yellow dwarf virus (BYDV)

A - Papers appearing in refereed journals

Smyrnioudis, I. N., Harrington, R., Katis, N. and Clark, S. J. 2000. The effect of drought stress and temperature on spread of barley yellow dwarf virus (BYDV). Agricultural and Forest Entomology. 2 (3), pp. 161-166.

Predicting leaf infection by Leptosphaeria maculans on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

West, J. S., Evans, N., Leech, P. K., Fitt, B. D. L., Welham, S. J., Jedryczka, M. and Penaud, A. 2000. Predicting leaf infection by Leptosphaeria maculans on winter oilseed rape.

The spatio-temporal distribution of adult Ceutorhynchus assimilis in a crop of winter oilseed rape in relation to the distribution of their larvae and that of the parasitoid Trichomalus perfectus

A - Papers appearing in refereed journals

Ferguson, A. W., Klukowski, Z., Walczak, B., Perry, J. N., Mugglestone, M. A., Clark, S. J. and Williams, I. H. 2000. The spatio-temporal distribution of adult Ceutorhynchus assimilis in a crop of winter oilseed rape in relation to the distribution of their larvae and that of the parasitoid Trichomalus perfectus. Entomologia Experimentalis et Applicata. 95 (2), pp. 161-171. https://doi.org/10.1046/j.1570-7458.2000.00654.x

Effects of stem canker (Leptosphaeria maculans ) and light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus ) in southern England

A - Papers appearing in refereed journals

Zhou, Y., Fitt, B. D. L., Welham, S. J., Evans, N. and Gladders, P. 2000. Effects of stem canker (Leptosphaeria maculans ) and light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus ) in southern England. Plant Pathology. 49, pp. 487-497.

Effects of temperature and wetness duration on conidial infection, latent period and asexual sporulation of Pyrenopeziza brassicae on leaves of oilseed rape

A - Papers appearing in refereed journals

Gilles, T., Fitt, B. D. L., Kennedy, R., Welham, S. J. and Jeger, M. J. 2000. Effects of temperature and wetness duration on conidial infection, latent period and asexual sporulation of Pyrenopeziza brassicae on leaves of oilseed rape. Plant Pathology. 49 (4), pp. 498-508. https://doi.org/10.1046/j.1365-3059.2000.00474.x

Generalized estimating equations for spatially referenced binary data

C2 - Non-edited contributions to conferences

Mugglestone, M. A., Kenward, J. G. and Clark, S. J. 2000. Generalized estimating equations for spatially referenced binary data. Proceedings Workshop on Correlated Data Modelling: the Estimating Function Approach, Trieste, Italy, 22-23 October 1999 .

Spatio-temporal associations in beetle and virus count data

A - Papers appearing in refereed journals

Korie, S., Perry, J. N., Mugglestone, M. A., Clark, S. J., Thomas, C. F. G. and Mohamad Roff, M. N. 2000. Spatio-temporal associations in beetle and virus count data. Journal of Agricultural Biological and Environmental Statistics. 5 (2), pp. 214-239. https://doi.org/10.2307/1400532

Forecasting light leaf spot of winter oilseed rape in the UK

C2 - Non-edited contributions to conferences

Evans, N., Fitt, B. D. L. and Welham, S. J. 1999. Forecasting light leaf spot of winter oilseed rape in the UK.

Optimising the use of fungicides to control stem canker of oilseed rape

C1 - Edited contributions to conferences/learned societies

West, J. S., Leech, P. K., Fitt, B. D. L., Welham, S. J., Penaud, A., Peres, A. and Poisson, B. 1999. Optimising the use of fungicides to control stem canker of oilseed rape. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Yield loss of winter oilseed rape in relation to severity of stem canker (Leptosphaeria maculans ) in the UK

C1 - Edited contributions to conferences/learned societies

Zhou, Y., Fitt, B. D. L., Welham, S. J., Gladders, P., Sansford, C. E. and West, J. S. 1999. Yield loss of winter oilseed rape in relation to severity of stem canker (Leptosphaeria maculans ) in the UK. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Effects of temperature and wetness duration on infection of oilseed rape by ascospores of A-group or B-group Leptosphaeria maculans (stem canker)

C1 - Edited contributions to conferences/learned societies

Biddulph, J. E., Fitt, B. D. L., Jedryczka, M., West, J. S. and Welham, S. J. 1999. Effects of temperature and wetness duration on infection of oilseed rape by ascospores of A-group or B-group Leptosphaeria maculans (stem canker). Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Epidemiology, forecasting and management of winter oilseed rape diseases in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Sutherland, K. G., Turner, J. A. and Welham, S. J. 1999. Epidemiology, forecasting and management of winter oilseed rape diseases in the UK. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Spatio-temporal dynamics of insect distributions in oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Murchie, A. K., Ferguson, A. W., Klukowski, Z., Perry, J. N., Walczak, B., Mugglestone, M. A. and Clark, S. J. 1999. Spatio-temporal dynamics of insect distributions in oilseed rape. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

The analysis of designed experiments and longitudinal data using smoothing splines

A - Papers appearing in refereed journals

Verbyla, A. P., Cullis, B. R., Kenward, M. G. and Welham, S. J. 1999. The analysis of designed experiments and longitudinal data using smoothing splines. Applied Statistics. 48, pp. 269-311. https://doi.org/10.1111/1467-9876.00154

Forecasting light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape (Brassica napus ) on the Internet

A - Papers appearing in refereed journals

Souter, S. D., Castells-Brooke, N. I. D., Antoniw, J. F., Welham, S. J., Fitt, B. D. L., Evans, N., Gladders, P., Turner, J. A. and Sutherland, K. 1999. Forecasting light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape (Brassica napus ) on the Internet. Aspects of Applied Biology. 55, pp. 37-42.

Quantification of rainsplash for improved prediction of Septoria disease risk

A - Papers appearing in refereed journals

Lovell, D. J., Parker, S. R., Van Petegheim, P., Webb, D. A. and Welham, S. J. 1999. Quantification of rainsplash for improved prediction of Septoria disease risk. Aspects of Applied Biology. 55, pp. 7-14.

Effects of severity and timing of stem canker (Leptosphaeria maculans ) symptoms on yield of winter oilseed rape (Brasica napus ) in the UK

A - Papers appearing in refereed journals

Zhou, Y., Fitt, B. D. L., Welham, S. J., Gladders, P., Sansford, C. E. and West, J. S. 1999. Effects of severity and timing of stem canker (Leptosphaeria maculans ) symptoms on yield of winter oilseed rape (Brasica napus ) in the UK. European Journal of Plant Pathology. 105, pp. 715-728. https://doi.org/10.1023/A:1008761219493

Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker)

A - Papers appearing in refereed journals

Biddulph, J. E., Fitt, B. D. L., Leech, P. K., Welham, S. J. and Gladders, P. 1999. Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker). European Journal of Plant Pathology. 105, pp. 769-781.

Relationships between regional weather and incidence of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in England and Wales

C1 - Edited contributions to conferences/learned societies

Welham, S. J., Fitt, B. D. L., Turner, J. A., Gladders, P. and Sutherland, K. 1999. Relationships between regional weather and incidence of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in England and Wales. Protection and Production of Combinable Break Crops. Aspects of Applied Biology 56 . pp. 51-59

Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus) in relation to weather criteria

C1 - Edited contributions to conferences/learned societies

Papastamati, K., Welham, S. J., Fitt, B. D. L. and Gladders, P. 1999. Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus) in relation to weather criteria. Information Technology for Crop Protection. Aspects of Applied Biology 55 . pp. 49-55

Sampling winter oilseed rape crops to assess incidence of light leaf spot (Pyrenopeziza brassicae ) in the UK

C1 - Edited contributions to conferences/learned societies

Evans, N., Fitt, B. D. L., McCartney, H. A., Welham, S. J. and Mcroberts, N. 1999. Sampling winter oilseed rape crops to assess incidence of light leaf spot (Pyrenopeziza brassicae ) in the UK. Protection and Production of Combinable Break Crops. Aspects of Applied Biology 56 . pp. 123-128

Investigating the horizontal spatial spread of light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Evans, N., Fitt, B. D. L., McCartney, H. A., Welham, S. J. and Mcroberts, N. 1999. Investigating the horizontal spatial spread of light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape in the UK. Information Technology for Crop Protection. Aspects of Applied Biology 55 . pp. 31-36

Conditions for infection of oilseed rape leaves by ascospores of UK (A group) and Polish (B group) Leptosphaeria maculans (stem canker)

G - Articles in popular magazines and other technical publications

Biddulph, J. E., Fitt, B. D. L., Gladders, P., Jedryczka, M., West, J. S. and Welham, S. J. 1999. Conditions for infection of oilseed rape leaves by ascospores of UK (A group) and Polish (B group) Leptosphaeria maculans (stem canker). GCIRC Bulletin. 16, pp. 82-83.

A landscape-scale study of bumble bee foraging range and constancy, using harmonic radar

A - Papers appearing in refereed journals

Osborne, J. L., Clark, S. J., Morris, R. J., Williams, I. H., Riley, J. R., Smith, A. D., Reynolds, D. R. and Edwards, A. S. 1999. A landscape-scale study of bumble bee foraging range and constancy, using harmonic radar. Journal of Applied Ecology. 36 (4), pp. 519-533. https://doi.org/10.1046/j.1365-2664.1999.00428.x

The germination of oil-formulated conidia of the insect pathogen Metarhizium anisopliae

A - Papers appearing in refereed journals

Ibrahim, L., Butt, T. M., Beckett, A. and Clark, S. J. 1999. The germination of oil-formulated conidia of the insect pathogen Metarhizium anisopliae. Mycological Research. 103 (7), pp. 901-907. https://doi.org/10.1017/S0953756298007849

Perception of oviposition-deterring pheromone by cabbage seed weevil (Ceutorhynchus assimilis )

A - Papers appearing in refereed journals

Ferguson, A. W., Ziesmann, J., Blight, M. M., Williams, I. H., Wadhams, L. J., Clark, S. J., Woodcock, C. M. and Mudd, A. 1999. Perception of oviposition-deterring pheromone by cabbage seed weevil (Ceutorhynchus assimilis ). Journal of Chemical Ecology. 25, pp. 1655-1670. https://doi.org/10.1023/A:1020801319251

Identification of the gland secreting oviposition-deterring pheromone in the cabbage seed weevil, Ceutorhynchus assimilis, and the mechanism of pheromone deposition

A - Papers appearing in refereed journals

Ferguson, A. W., Solinas, M., Ziesmann, J., Isidoro, N., Williams, I. H., Scubla, P., Mudd, A., Clark, S. J. and Wadhams, L. J. 1999. Identification of the gland secreting oviposition-deterring pheromone in the cabbage seed weevil, Ceutorhynchus assimilis, and the mechanism of pheromone deposition. Journal of Insect Physiology. 45 (7), pp. 687-699. https://doi.org/10.1016/S0022-1910(99)00046-3

Predatory behaviour of trapping fungi against srf mutants of Caenorhabditis elegans and different plant and animal parasitic nematodes

A - Papers appearing in refereed journals

Mendoza De Gives, P., Davies, K. G., Clark, S. J. and Behnke, J. M. 1999. Predatory behaviour of trapping fungi against srf mutants of Caenorhabditis elegans and different plant and animal parasitic nematodes. Parasitology. 119 (1), pp. 95-104. https://doi.org/10.1017/S0031182099004424

Use of lichen secondary metabolites as antifeedants to protect higher plants from damage caused by slug feeding

A - Papers appearing in refereed journals

Clark, S. J., Henderson, I. F., Hill, D. J. and Martin, A. P. 1999. Use of lichen secondary metabolites as antifeedants to protect higher plants from damage caused by slug feeding. Annals of Applied Biology - AAB. 134 (1), pp. 101-108. https://doi.org/10.1111/j.1744-7348.1999.tb05240.x

Rejoinder [Analyzing maps of dispersal around a single focus]

A - Papers appearing in refereed journals

Korie, S., Clark, S. J., Perry, J. N., Mugglestone, M. A., Bartlett, P. W., Marshall, E. J. P. and Mann, J. A. 1998. Rejoinder [Analyzing maps of dispersal around a single focus]. Environmental And Ecological Statistics. 5 (4), pp. 349-351. https://doi.org/10.1023/A%3A1009604509368

Analyzing maps of dispersal around a single focus

A - Papers appearing in refereed journals

Korie, S., Clark, S. J., Perry, J. N., Mugglestone, M. A., Bartlett, P. W., Marshall, E. J. P. and Mann, J. A. 1998. Analyzing maps of dispersal around a single focus. Environmental And Ecological Statistics. 5 (4), pp. 317-344. https://doi.org/10.1023/A:1009603804998

Empirical models for prediction of regional light leaf spot (Pyrenopeziza brassicae ) incidence on winter oilseed rape in the UK

C2 - Non-edited contributions to conferences

Welham, S. J., Turner, J. A., Fitt, B. D. L., Gladders, P. and Sutherland, K. G. 1998. Empirical models for prediction of regional light leaf spot (Pyrenopeziza brassicae ) incidence on winter oilseed rape in the UK. Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 2.1.9

Development of a system for forecasting severe light leaf spot in winter oilseed rape

C2 - Non-edited contributions to conferences

Sutherland, K. G., Fitt, B. D. L., Gladders, P., Steed, J. M., Turner, J. A. and Welham, S. J. 1998. Development of a system for forecasting severe light leaf spot in winter oilseed rape. Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 3.1.16

Simulation modelling of the progress of light leaf spot on winter oilseed rape (Brassica napus ) in relation to criteria for infection by Pyrenopeziza brassicae

C2 - Non-edited contributions to conferences

Papastamati, K., Welham, S. J., Fitt, B. D. L. and Gladders, P. 1998. Simulation modelling of the progress of light leaf spot on winter oilseed rape (Brassica napus ) in relation to criteria for infection by Pyrenopeziza brassicae. Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 2.1.15

Forecasting and management of light leaf spot and stem canker on winter oilseed rape

C2 - Non-edited contributions to conferences

Fitt, B. D. L., Steed, J. L., Welham, S. J., West, J. S., Gladders, P. and Meakin, P. 1998. Forecasting and management of light leaf spot and stem canker on winter oilseed rape. Abstracts ARIA Meeting, Harpenden, 4 November 1998 .

Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker)

C2 - Non-edited contributions to conferences

Biddulph, J. E., Fitt, B. D. L. and Welham, S. J. 1998. Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker). Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 2.5.13

Development and control of light leaf spot (Pyrenopeziza brassicae ) epidemics in winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Sutherland, K. G., Fitt, B. D. L., Steed, J. M., Welham, S. J., Gladders, P. and Turner, J. A. 1998. Development and control of light leaf spot (Pyrenopeziza brassicae ) epidemics in winter oilseed rape in the UK. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1998 . pp. 1053-1058

Unseasonal male aphids

C1 - Edited contributions to conferences/learned societies

Taylor, M. S., Harrington, R. and Clark, S. J. 1998. Unseasonal male aphids. Dixon, A. F. G. and Nietonafria, J. M. (ed.) Aphids in natural and managed ecosystems . Universidad de Leon, Leon. pp. 287-293

Implications of predator foraging on aphid pathogen dynamics

A - Papers appearing in refereed journals

Roy, H. E., Pell, J. K., Clark, S. J. and Alderson, P. G. 1998. Implications of predator foraging on aphid pathogen dynamics. Journal of Invertebrate Pathology. 71, pp. 236-247. https://doi.org/10.1006/jipa.1997.4736

The effect of plant growth and topography on the acquisition of conidia of the insect pathogen Metarhizium anisopliae by larvae of Phaedon cochleariae

A - Papers appearing in refereed journals

Inyang, E. N., Butt, T. M., Ibrahim, L., Clark, S. J., Pye, B. T., Beckett, A. and Archer, S. 1998. The effect of plant growth and topography on the acquisition of conidia of the insect pathogen Metarhizium anisopliae by larvae of Phaedon cochleariae. Mycological Research. 102 (11), pp. 1365-1374. https://doi.org/10.1017/S095375629800673X

Use of a novel sporulation monitor to quantify the effects of formulation and storage on conidiation by dried mycelia of the entomopathogenic fungus Zoophthora radicans

A - Papers appearing in refereed journals

Pell, J. K., Barker, A. D. P., Clark, S. J., Wilding, N. and Alderson, P. G. 1998. Use of a novel sporulation monitor to quantify the effects of formulation and storage on conidiation by dried mycelia of the entomopathogenic fungus Zoophthora radicans. Biocontrol Science and Technology. 8 (1), pp. 13-21. https://doi.org/10.1080/09583159830397

Effects of light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Su, H., Fitt, B. D. L., Welham, S. J., Sansford, C. E. and Sutherland, K. G. 1998. Effects of light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus ). Annals of Applied Biology - AAB. 132 (3), pp. 371-386. https://doi.org/10.1111/j.1744-7348.1998.tb05215.x

Epidemiology and forecasting of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Sutherland, K. G., Turner, J. A., Welham, S. J., Biddulph, J. E., Hardwick, N. V. and Wale, S. J. 1998. Epidemiology and forecasting of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK.

Estimating yield loss from light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in the UK

C1 - Edited contributions to conferences/learned societies

Su, H., Sansford, C. E., Fitt, B. D. L., Gladders, P., Lockley, K. D., Sutherland, K. G. and Welham, S. J. 1998. Estimating yield loss from light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in the UK.

Genetic variability within and between English populations of the damson-hop aphid Phorodon humili (Hemiptera: Aphididae) with special reference to esterases associated with insecticide resistance

A - Papers appearing in refereed journals

Loxdale, H. D., Brookes, C. P., Wynne, I. R. and Clark, S. J. 1998. Genetic variability within and between English populations of the damson-hop aphid Phorodon humili (Hemiptera: Aphididae) with special reference to esterases associated with insecticide resistance. Bulletin of Entomological Research. 88 (5), pp. 513-526. https://doi.org/10.1017/S0007485300026031

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.

Temperature change and complex dynamics

A - Papers appearing in refereed journals

Zhou, X-L, Perry, J. N., Woiwod, I. P., Harrington, R., Bale, J. S. and Clark, S. J. 1997. Temperature change and complex dynamics. Oecologia. 112 (4), pp. 543-550. https://doi.org/10.1007/s004420050343

Influence of pesticide use on the natural occurrence of entomopathogenic fungi in arable soils in the U.K.: field and laboratory comparisons

A - Papers appearing in refereed journals

Mietkiewski, R. T., Pell, J. K. and Clark, S. J. 1997. Influence of pesticide use on the natural occurrence of entomopathogenic fungi in arable soils in the U.K.: field and laboratory comparisons. Biocontrol Science and Technology. 7 (4), pp. 565-575. https://doi.org/10.1080/09583159730622

Effects of planting mixtures of different sizes of potato seed tubers on the yield and size of tubers

A - Papers appearing in refereed journals

Hide, G. A., Welham, S. J., Read, P. J. and Ainsley, A. E. 1997. Effects of planting mixtures of different sizes of potato seed tubers on the yield and size of tubers. The Journal of Agricultural Science. 128 (2), pp. 173-180. https://doi.org/10.1017/S0021859696004017

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.

Evidence for a possible fitness trade-off between insecticide resistance and the low temperature movement that is essential for survival of UK populations of Myzus persicae (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Foster, S. P., Harrington, R., Devonshire, A. L., Denholm, I., Clark, S. J. and Mugglestone, M. A. 1997. Evidence for a possible fitness trade-off between insecticide resistance and the low temperature movement that is essential for survival of UK populations of Myzus persicae (Hemiptera: Aphididae). Bulletin of Entomological Research. 87 (6), pp. 573-579. https://doi.org/10.1017/S0007485300038669

Extraction, isolation and composition of oviposition-deterring secretion of cabbage seed weevil Ceutorhynchus assimilis

A - Papers appearing in refereed journals

Mudd, A., Ferguson, A. W., Blight, M. M., Williams, I. H., Scubla, P., Solinas, M. and Clark, S. J. 1997. Extraction, isolation and composition of oviposition-deterring secretion of cabbage seed weevil Ceutorhynchus assimilis. Journal of Chemical Ecology. 23, pp. 2227-2240. https://doi.org/10.1023/B:JOEC.0000006441.74950.2f

Effects of temperature, cultivar and isolate on the incubation period of white leaf spot (Mycosphaerella capsellae ) on oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Inman, A. J., Fitt, B. D. L., Welham, S. J., Evans, R. L. and Murray, D. A. 1997. Effects of temperature, cultivar and isolate on the incubation period of white leaf spot (Mycosphaerella capsellae ) on oilseed rape (Brassica napus ). Annals of Applied Biology - AAB. 130, pp. 239-253.

A bioassay for screening materials influencing feeding in the field slug Deroceras reticulatum (Müller) (Mollusca: Pulmonata)

A - Papers appearing in refereed journals

Clark, S. J., Dodds, C. J., Henderson, I. F. and Martin, A. P. 1997. A bioassay for screening materials influencing feeding in the field slug Deroceras reticulatum (Müller) (Mollusca: Pulmonata). Annals of Applied Biology - AAB. 130 (2), pp. 379-385. https://doi.org/10.1111/j.1744-7348.1997.tb06841.x

Estimating yield loss from light leaf spot (Pyrenopeziza brassica ) on winter oilseed rape

G - Articles in popular magazines and other technical publications

Su, H., Fitt, B. D. L., Gladders, P., Hardwick, N. V., Lockley, K. D., Sansford, C. E., Sutherland, K. G. and Welham, S. J. 1997. Estimating yield loss from light leaf spot (Pyrenopeziza brassica ) on winter oilseed rape. GCIRC Bulletin. 13, pp. 75-78.

Predicting severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the U.K.

G - Articles in popular magazines and other technical publications

Fitt, B. D. L., Gladders, P., Turner, J. R., Sutherland, K. G. and Welham, S. J. 1997. Predicting severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the U.K. GCIRC Bulletin. 13, pp. 72-74.

Detecting chaotic dynamics of insect populations from long-term survey data

A - Papers appearing in refereed journals

Zhou, X-L, Perry, J. N., Woiwod, I. P., Harrington, R., Bale, J. S. and Clark, S. J. 1997. Detecting chaotic dynamics of insect populations from long-term survey data. Ecological Entomology. 22 (2), pp. 231-241. https://doi.org/10.1046/j.1365-2311.1997.00049.x

Likelihood ratio tests for fixed model terms using residual maximum likelihood

A - Papers appearing in refereed journals

Welham, S. J. and Thompson, R. 1997. Likelihood ratio tests for fixed model terms using residual maximum likelihood. Journal of the Royal Statistical Society, Series B (Statistical Methodology). 59 (3), pp. 701-714. https://doi.org/10.1111/1467-9868.00092

Interactions between two aphid natural enemies, the entomopathogenic fungus Erynia neoaphidis Remaudiere & Hennebert (Zygomycetes: Entomophthorales) and the predatory beetle Coccinella septempunctata L. (Coleoptera: Coccinellidae)

A - Papers appearing in refereed journals

Pell, J. K., Pluke, R., Clark, S. J., Kenward, M. G. and Alderson, P. G. 1997. Interactions between two aphid natural enemies, the entomopathogenic fungus Erynia neoaphidis Remaudiere & Hennebert (Zygomycetes: Entomophthorales) and the predatory beetle Coccinella septempunctata L. (Coleoptera: Coccinellidae). Journal of Invertebrate Pathology. 69, pp. 261-268. https://doi.org/10.1006/jipa.1996.4651

Nectar and flower production in Vicia faba L. (field bean) at ambient and elevated carbon dioxide

A - Papers appearing in refereed journals

Osborne, J. L., Awmack, C. S., Clark, S. J., Williams, I. H. and Mills, V. C. 1997. Nectar and flower production in Vicia faba L. (field bean) at ambient and elevated carbon dioxide. Apidologie. 28, pp. 43-55. https://doi.org/10.1051/apido:19970105

Prospects for developing a forecasting scheme to optimise use of fungicides for disease control on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Turner, J. A., Sutherland, K. G., Welham, S. J. and Davies, J. M. L. 1997. Prospects for developing a forecasting scheme to optimise use of fungicides for disease control on winter oilseed rape in the UK. Optimising Pesticide Applications. Aspects of Applied Biology 48 . pp. 135-142

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.

Designing experiments to examine competition effects between neighbouring plants in mixed populations

C1 - Edited contributions to conferences/learned societies

Welham, S. J., Bailey, R. A., Ainsley, A. E. and Hide, G. A. 1996. Designing experiments to examine competition effects between neighbouring plants in mixed populations. Proceedings XVIIIth International Biometric Conference, 1996 . pp. 97-105

The impact of climate change on aphid population dynamics and phenology

C2 - Non-edited contributions to conferences

Harrington, R., Perry, J. N., Woiwod, I. P., Zhou, X-L, Clark, S. J., Bale, J. S., Howling, G. G., Lisle, L. and Mair, J. 1996. The impact of climate change on aphid population dynamics and phenology. Proceedings BBSRC Conference on Biological Adaptation to Global Environmental Change, Lancaster, 9-11 September 1996 .

Nectar and flower production in Vicia faba L. (field bean) at elevated carbon dioxide

C2 - Non-edited contributions to conferences

Osborne, J. L., Awmack, C. S., Clark, S. J., Williams, I. H. and Mills, V. C. 1996. Nectar and flower production in Vicia faba L. (field bean) at elevated carbon dioxide. Abstracts 7th International Pollination Symposium, Lethbridge, Canada, 23-28 June 1996 .

Predicting risk of severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Turner, J. A., Sutherland, K. G. and Welham, S. J. 1996. Predicting risk of severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1996 . pp. 239-244

The yield of potato plants as affected by stem canker (Rhizoctonia solani ), blackleg (Erwinia carotovora subsp. atroseptica ) and by neighbouring plants

A - Papers appearing in refereed journals

Hide, G. A., Welham, S. J., Read, P. J. and Ainsley, A. E. 1996. The yield of potato plants as affected by stem canker (Rhizoctonia solani ), blackleg (Erwinia carotovora subsp. atroseptica ) and by neighbouring plants. The Journal of Agricultural Science. 126 (4), pp. 429-440. https://doi.org/10.1017/S0021859600075511

Effects of wetness period and temperature on development of dark pod spot (Alternaria brassicae ) on oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Hong, C. X., Fitt, B. D. L. and Welham, S. J. 1996. Effects of wetness period and temperature on development of dark pod spot (Alternaria brassicae ) on oilseed rape (Brassica napus ). Plant Pathology. 45 (6), pp. 1077-1089. https://doi.org/10.1046/j.1365-3059.1996.d01-193.x

Estimating Taylor's power law parameters for weeds and the effect of spatial scale

A - Papers appearing in refereed journals

Clark, S. J., Perry, J. N. and Marshall, E. J. P. 1996. Estimating Taylor's power law parameters for weeds and the effect of spatial scale. Weed Research. 36 (5), pp. 405-417. https://doi.org/10.1111/j.1365-3180.1996.tb01670.x

The effect of temperature and inoculation access period on the transmission of barley yellow dwarf virus by Rhopalosiphum padi (L.) and Sitobion avenae (F.)

A - Papers appearing in refereed journals

Lowles, A. J., Tatchell, G. M., Harrington, R. and Clark, S. J. 1996. The effect of temperature and inoculation access period on the transmission of barley yellow dwarf virus by Rhopalosiphum padi (L.) and Sitobion avenae (F.). Annals of Applied Biology - AAB. 128 (1), pp. 45-53. https://doi.org/10.1111/j.1744-7348.1996.tb07088.x

Feeding of the cabbage stem flea beetle Psylliodes chrysocephala on high and low glucosinolate cultivars of oilseed rape

A - Papers appearing in refereed journals

Bartlet, E., Mithen, R. and Clark, S. J. 1996. Feeding of the cabbage stem flea beetle Psylliodes chrysocephala on high and low glucosinolate cultivars of oilseed rape. Entomologia Experimentalis et Applicata. 80 (1), pp. 87-89. https://doi.org/10.1111/j.1570-7458.1996.tb00892.x

Genstat 3[3] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1996. Genstat 3[3] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.2 version for PC Windows and DOS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1996. Genstat 5 Release 3.2 version for PC Windows and DOS. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.2 version for Vax VMS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1996. Genstat 5 Release 3.2 version for Vax VMS. Numerical Algorithms Group, Oxford.

Impact of climate change on aphid flight phenology

A - Papers appearing in refereed journals

Zhou, X-L, Harrington, R., Woiwod, I. P., Perry, J. N., Clark, S. J. and Bale, J. S. 1996. Impact of climate change on aphid flight phenology. Aspects of Applied Biology. 45, pp. 299-305.

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

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 3[2] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1995. Genstat 3[2] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Hewlatt Packard 9000 Series 700

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1995. Genstat 5 Release 3.1 version for Hewlatt Packard 9000 Series 700. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Dec Alpha AXP OSF/1

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1995. Genstat 5 Release 3.1 version for Dec Alpha AXP OSF/1. Numerical Algorithms Group, Oxford.

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.

Interactions between the cabbage seed weevil (Ceutorhynchus assimilis Payk.) and the brassica pod midge (Dasineura brassicae Winn.) infesting oilseed rape pods

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Kenward, M. G., Williams, I. H., Clark, S. J., Kelm, M. and Dudzic, A. 1995. Interactions between the cabbage seed weevil (Ceutorhynchus assimilis Payk.) and the brassica pod midge (Dasineura brassicae Winn.) infesting oilseed rape pods. Rapeseed Today and Tomorrow. Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 . pp. 679-681

Use of the most probable number technique to quantify soil-borne plant pathogens

A - Papers appearing in refereed journals

Adams, M. J. and Welham, S. J. 1995. Use of the most probable number technique to quantify soil-borne plant pathogens. Annals of Applied Biology - AAB. 126 (1), pp. 181-196. https://doi.org/10.1111/j.1744-7348.1995.tb05014.x

A case study in measurement and analysis of disease gradients

C1 - Edited contributions to conferences/learned societies

Welham, S. J., McCartney, H. A. and Fitt, B. D. L. 1995. A case study in measurement and analysis of disease gradients. Field Experimental Techniques. Aspects of Applied Biology %B43 $B. pp. 77-85

Economic and statistical considerations in the measurement of total factor productivity (TFP)

B - Book chapters etc edited externally

Rayner, A. I. and Welham, S. J. 1995. Economic and statistical considerations in the measurement of total factor productivity (TFP). in: Payne, R. W., Steiner, R. and Barnett, V. (ed.) Agricultural sustainability: economic, environmental and statistical considerations John Wiley & Sons Chichester, West Sussex. pp. 23-38

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.

Design and analysis of experiments in Genstat. Course at Pfizer Central Research, 24-25 April 1995

D1 - Technical reports: non-confidential

Payne, R. W. and Welham, S. J. 1995. Design and analysis of experiments in Genstat. Course at Pfizer Central Research, 24-25 April 1995.

Influence of temperature on germination of primary and secondary conidia of Erynia neoaphidis (Zygomycetes: Entomophthorales)

A - Papers appearing in refereed journals

Morgan, L. W., Boddy, L., Clark, S. J. and Wilding, N. 1995. Influence of temperature on germination of primary and secondary conidia of Erynia neoaphidis (Zygomycetes: Entomophthorales). Journal of Invertebrate Pathology. 65, pp. 132-138. https://doi.org/10.1006/jipa.1995.1020

Use of splines in extending random coefficient regression models for the analysis of repeated measurements

C1 - Edited contributions to conferences/learned societies

Kenward, M. G. and Welham, S. J. 1995. Use of splines in extending random coefficient regression models for the analysis of repeated measurements. Proceedings Symposium on Statistical Software 1995, Utrecht, 9 November 1995 .

The influence of planting seed tubers with gangrene (Phoma foveata ) and of neighbouring healthy, diseased and missing plants on the yield and size of potatoes

A - Papers appearing in refereed journals

Hide, G. A., Welham, S. J., Read, P. J. and Ainsley, A. E. 1995. The influence of planting seed tubers with gangrene (Phoma foveata ) and of neighbouring healthy, diseased and missing plants on the yield and size of potatoes. The Journal of Agricultural Science. 125 (1), pp. 51-60. https://doi.org/10.1017/S0021859600074499

The Genstat TWOD Procedure

J - Computer programs

Gilmour, A. R., Harding, S. A. and Welham, S. J. 1995. The Genstat TWOD Procedure.

Efficient analysis of field experiments using two-dimensional spatial models

G - Articles in popular magazines and other technical publications

Gilmour, A., Welham, S. J. and Harding, S. A. 1995. Efficient analysis of field experiments using two-dimensional spatial models. Genstat newsletter. 32, pp. 31-39.

Effects of temperature on aphid phenology

A - Papers appearing in refereed journals

Zhou, X-L, Harrington, R., Woiwod, I. P., Perry, J. N., Bale, J. S. and Clark, S. J. 1995. Effects of temperature on aphid phenology. Global Change Biology. 1 (4), pp. 303-313. https://doi.org/10.1111/j.1365-2486.1995.tb00029.x

Early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in relation to temperature and leaf wetness

A - Papers appearing in refereed journals

Figueroa, L., Fitt, B. D. L., Welham, S. J., Shaw, M. W. and McCartney, H. A. 1995. Early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in relation to temperature and leaf wetness. Plant Pathology. 44 (4), pp. 641-654. https://doi.org/10.1111/j.1365-3059.1995.tb01688.x

Movement of apterous Sitobion avenae (Homoptera:Aphididae) in response to leaf disturbances caused by wind and rain

A - Papers appearing in refereed journals

Mann, J. A., Tatchell, G. M., Dupuch, M. J., Harrington, R., Clark, S. J. and McCartney, H. A. 1995. Movement of apterous Sitobion avenae (Homoptera:Aphididae) in response to leaf disturbances caused by wind and rain. Annals of Applied Biology - AAB. 126 (3), pp. 417-427. https://doi.org/10.1111/j.1744-7348.1995.tb05376.x

Forecasting development of light leaf spot (Pyrenopeziza brassicae) epidemics on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Gladders, P., Fitt, B. D. L. and Welham, S. J. 1995. Forecasting development of light leaf spot (Pyrenopeziza brassicae) epidemics on winter oilseed rape. Rapeseed Today and Tomorrow: Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 .

Predicting early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Gladders, P., Fitt, B. D. L., Figueroa, L., McCartney, H. A., Shaw, M. W. and Welham, S. J. 1995. Predicting early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape.

Metal chelate molluscicides: the redistribution of iron diazaalkanolates from the gut lumen of the slug, Deroceras reticulatum (Muller) (Pulmonata: Limacidae)

A - Papers appearing in refereed journals

Clark, S. J., Coward, N. P., Dawson, G. W., Henderson, I. F. and Martin, A. P. 1995. Metal chelate molluscicides: the redistribution of iron diazaalkanolates from the gut lumen of the slug, Deroceras reticulatum (Muller) (Pulmonata: Limacidae). Pesticide Science. 44 (4), pp. 381-388. https://doi.org/10.1002/ps.2780440410

The germination behaviour of Metarhizium anisopliae on the surface of aphid and flea beetle cuticles

A - Papers appearing in refereed journals

Butt, T. M., Ibrahim, L., Clark, S. J. and Beckett, A. 1995. The germination behaviour of Metarhizium anisopliae on the surface of aphid and flea beetle cuticles. Mycological Research. 99 (8), pp. 945-950. https://doi.org/10.1016/S0953-7562(09)80754-5

Sustainability - the Rothamsted experience

B - Book chapters etc edited externally

Johnston, A. E., Landau, S., Payne, R. W., Welham, S. J. and Rayner, A. I. 1995. Sustainability - the Rothamsted experience. in: Barnett, V., Steiner, R. and Payne, R. W. (ed.) Agricultural sustainability: economic, environmental and statistical considerations John Wiley & Sons Chichester, West Sussex. pp. 171-206

Sensitivity to prochloraz in populations of the eyespot fungus, Pseudocercosporella herpotrichoides , in relation to fungicide treatments and their efficacy in continuous winter wheat

A - Papers appearing in refereed journals

Bateman, G. L., Landau, S. and Welham, S. J. 1995. Sensitivity to prochloraz in populations of the eyespot fungus, Pseudocercosporella herpotrichoides , in relation to fungicide treatments and their efficacy in continuous winter wheat. Annals of Applied Biology - AAB. 126 (2), pp. 235-247. https://doi.org/10.1111/j.1744-7348.1995.tb05362.x

Effects of temperature on the development of light leaf spot (Pyrenopeziza brassicae) on oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Figueroa, L., Fitt, B. D. L., Shaw, M. W., McCartney, H. A. and Welham, S. J. 1995. Effects of temperature on the development of light leaf spot (Pyrenopeziza brassicae) on oilseed rape (Brassica napus). Plant Pathology. 44 (1), pp. 51-62. https://doi.org/10.1111/j.1365-3059.1995.tb02715.x

Genstat 3[1] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 3[1] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Dec Alpha AXP OpenVMS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1 version for Dec Alpha AXP OpenVMS. Numerical Algorithms Group, Oxford.

Genstat5 Release 3.1 version for Sun 4 Solaris

J - Computer programs

Pyne, R., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat5 Release 3.1 version for Sun 4 Solaris. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Sun 4 SunOS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1 version for Sun 4 SunOS. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1. Version for PC DOS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1. Version for PC DOS. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1. Vax VMS version

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1. Vax VMS version. Numerical Algorithms Group, Oxford.

Small sample estimation for Taylor's power law

A - Papers appearing in refereed journals

Clark, S. J. and Perry, J. N. 1994. Small sample estimation for Taylor's power law. Journal of Environmental and Ecological Statistics. 1 (4), pp. 287-302. https://doi.org/10.1007/BF00469426

Measuring sustainability

A - Papers appearing in refereed journals

Barnett, V., Landau, S. and Welham, S. J. 1994. Measuring sustainability. Environmental And Ecological Statistics. 1, pp. 21-36. https://doi.org/10.1007/BF00714195

Comparisons of some GLMM estimators for a simple binomial model

G - Articles in popular magazines and other technical publications

Waddington, D., Welham, S. J., Gilmour, A. R. and Thompson, R. 1994. Comparisons of some GLMM estimators for a simple binomial model. Genstat newsletter. 30, pp. 13-24.

Interaction between cabbage seed weevil (Ceutorhynchus assimilis payk.) and brassica pod midge (Dasineura brassicae Winn.) in oilseed rape pods (in Polish)

C1 - Edited contributions to conferences/learned societies

Kelm, M., Ferguson, A. W., Williams, I. H., Kenward, M. G. and Clark, S. J. 1994. Interaction between cabbage seed weevil (Ceutorhynchus assimilis payk.) and brassica pod midge (Dasineura brassicae Winn.) in oilseed rape pods (in Polish). Materialy XXXIV Sesji Naukowej Instytutu Ochrony Roslin, Poznan, 1994 . pp. 258-262

Pathogenicity of the entomogenous fungi Metarhizium anisopliae and Beauveria bassiana against crucifer pests and the honey bee

A - Papers appearing in refereed journals

Butt, T. M., Ibrahim, L., Ball, B. V. and Clark, S. J. 1994. Pathogenicity of the entomogenous fungi Metarhizium anisopliae and Beauveria bassiana against crucifer pests and the honey bee. Biocontrol Science and Technology. 4 (2), pp. 207-214. https://doi.org/10.1080/09583159409355328

The influence of glucosinolates and sugars on feeding by the cabbage stem flea beetle, Psylliodes chrysocephala

A - Papers appearing in refereed journals

Bartlet, E., Parsons, D., Williams, I. H. and Clark, S. J. 1994. The influence of glucosinolates and sugars on feeding by the cabbage stem flea beetle, Psylliodes chrysocephala. Entomologia Experimentalis et Applicata. 73 (1), pp. 77-83. https://doi.org/10.1111/j.1570-7458.1994.tb01841.x

The transmission of barley yellow dwarf virus at different temperatures

C2 - Non-edited contributions to conferences

Lowles, A. J., Clark, S. J. and Harrington, R. 1994. The transmission of barley yellow dwarf virus at different temperatures. Abstracts 5th European Congress of Entomology, York, 29th August-2nd September 1994 . pp. 286

Morph identification in natural populations of alate female bird cherry aphids, Rhopalosiphum padi L., by multivariate methods

A - Papers appearing in refereed journals

Taylor, M. S., Tatchell, G. M. and Clark, S. J. 1994. Morph identification in natural populations of alate female bird cherry aphids, Rhopalosiphum padi L., by multivariate methods. Annals of Applied Biology - AAB. 125 (1), pp. 1-11. https://doi.org/10.1111/j.1744-7348.1994.tb04941.x

Effects of previous cropping and fungicide timing on the development of light leaf spot (Pyrenopeziza brassicae ) seed yield and quality of winter oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Figueroa, L., Shaw, M. W., Fitt, B. D. L., McCartney, H. A. and Welham, S. J. 1994. Effects of previous cropping and fungicide timing on the development of light leaf spot (Pyrenopeziza brassicae ) seed yield and quality of winter oilseed rape (Brassica napus ). Annals of Applied Biology - AAB. 124 (2), pp. 221-239. https://doi.org/10.1111/j.1744-7348.1994.tb04130.x

Sampling to determine patterns of disease in linseed

C1 - Edited contributions to conferences/learned societies

Welham, S. J. and Fitt, B. D. L. 1994. Sampling to determine patterns of disease in linseed. Sampling to Make Decisions. Aspects of Applied Biology .

Observer behaviour in assessment of lodging in cereals

C1 - Edited contributions to conferences/learned societies

Goulds, A., Welham, S. J. and Fitt, B. D. L. 1994. Observer behaviour in assessment of lodging in cereals. Sampling to Make Decisions. Aspects of Applied Biology .

Genstat 2[3] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1993. Genstat 2[3] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 2.2. Student version for IBM XT/AT and compatible PCs

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1993. Genstat 5 Release 2.2. Student version for IBM XT/AT and compatible PCs. 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.

Phytophthora cryptogea root rot of tomato in rockwool nutrient culture: III. Effect of root zone temperature on growth and yield of winter-grown plants

A - Papers appearing in refereed journals

Kennedy, R., Pegg, G. F. and Welham, S. J. 1993. Phytophthora cryptogea root rot of tomato in rockwool nutrient culture: III. Effect of root zone temperature on growth and yield of winter-grown plants. Annals of Applied Biology - AAB. 123 (3), pp. 563-578. https://doi.org/10.1111/j.1744-7348.1993.tb04928.x

The use of multiple regression via principal components in forecasting early season aphid (Homoptera: Aphididae) flight

A - Papers appearing in refereed journals

Howling, G. G., Harrington, R., Clark, S. J. and Bale, J. S. 1993. The use of multiple regression via principal components in forecasting early season aphid (Homoptera: Aphididae) flight. Bulletin of Entomological Research. 83 (3), pp. 377-381. https://doi.org/10.1017/S0007485300029278

Genstat 5 topic course: analysis of linear mixed models

D1 - Technical reports: non-confidential

Payne, R. W. and Welham, S. J. 1993. Genstat 5 topic course: analysis of linear mixed models. Lawes Agricultural Trust, (LAT) Harpenden.

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

Selection of an isolate of Zoophthora radicans (Zygomycetes:Entomophthorales) for biocontrol of the diamondback moth Plutella xylostella (Lepidoptera:Yponomeutidae)

A - Papers appearing in refereed journals

Pell, J. K., Wilding, N., Player, A. L. and Clark, S. J. 1993. Selection of an isolate of Zoophthora radicans (Zygomycetes:Entomophthorales) for biocontrol of the diamondback moth Plutella xylostella (Lepidoptera:Yponomeutidae). Journal of Invertebrate Pathology. 61 (1), pp. 75-80. https://doi.org/10.1006/jipa.1993.1013

Measuring sustainability

A - Papers appearing in refereed journals

Barnett, V., Landau, S. and Welham, S. J. 1993. Measuring sustainability. Journal of Environmental Statistics. 1, pp. 33-54.

The Classical Experiments and the environment

G - Articles in popular magazines and other technical publications

Perry, J. N., Potts, J. M. and Welham, S. J. 1993. The Classical Experiments and the environment. ARIA Newsletter 1993.

Procedure GLMM

B - Book chapters etc edited externally

Welham, S. J. 1993. Procedure GLMM. in: Payne, R. W., Morgan, G. W. and Arnold, G. M. (ed.) Genstat 5 procedure library manual release 2[3] Numerical Algorithms Group, Oxford. pp. 154-158

Genstat 5 Release 2.2 (implementation for Silicon Graphics)

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1992. Genstat 5 Release 2.2 (implementation for Silicon Graphics). Numerical Algorithms Group, Oxford.

Comparative phenologies of two migrant cereal aphid species

A - Papers appearing in refereed journals

Clark, S. J., Tatchell, G. M., Perry, J. N. and Woiwod, I. P. 1992. Comparative phenologies of two migrant cereal aphid species. Journal of Applied Ecology. 29 (3), pp. 571-580. https://doi.org/10.2307/2404464

Observations on the bulking and development of tuber size distribution in maincrop potatoes at Rothamsted in 1964-75

A - Papers appearing in refereed journals

Hide, G. A. and Welham, S. J. 1992. Observations on the bulking and development of tuber size distribution in maincrop potatoes at Rothamsted in 1964-75. Potato research. 35, pp. 235-247.

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

A new approach to the use of meteorological and suction trap data in predicitng aphid problems

C1 - Edited contributions to conferences/learned societies

Harrington, R., Howling, G. G., Bale, J. S. and Clark, S. J. 1991. A new approach to the use of meteorological and suction trap data in predicitng aphid problems.

Pollination requirements of linseed (Linum usitatissimum)

A - Papers appearing in refereed journals

Williams, I. H., Martin, A. H. and Clark, S. J. 1990. Pollination requirements of linseed (Linum usitatissimum). The Journal of Agricultural Science. 115, pp. 347-352. https://doi.org/10.1017/S0021859600075778

Effect of pollination on flower, pod and seed production in white lupin (Lupinus albus)

A - Papers appearing in refereed journals

Williams, I. H., Martin, A. P., Ferguson, A. W. and Clark, S. J. 1990. Effect of pollination on flower, pod and seed production in white lupin (Lupinus albus). The Journal of Agricultural Science. 115 (1), pp. 67-73. https://doi.org/10.1017/S0021859600073937

A comparison of algorithms for combination of information in generally balanced designs.

C1 - Edited contributions to conferences/learned societies

Payne, R. W. and Welham, S. J. 1990. A comparison of algorithms for combination of information in generally balanced designs. Compstat 1990.. Springer-Verlag, Heidelberg.. pp. 297-302.

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.

Procedure TTEST.

D1 - Technical reports: non-confidential

Welham, S. J. 1989. Procedure TTEST. Numerical Algorithms Group, Oxford.

Procedure SMOOTHSPECTRUM.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure SMOOTHSPECTRUM. Numerical Algorithms Group, Oxford.

Procedure BJIDENTIFY.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure BJIDENTIFY. Numerical Algorithms Group, Oxford.

Procedure BJFORECAST.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure BJFORECAST. Numerical Algorithms Group, Oxford.

Procedure BJESTIMATE.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure BJESTIMATE. Numerical Algorithms Group, Oxford.

Procedure MANNWHITNEY.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure MANNWHITNEY. Numerical Algorithms Group, Oxford.

Procedure KRUSKAL.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure KRUSKAL. Numerical Algorithms Group, Oxford.

Procedure NPRANK.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure NPRANK. Numerical Algorithms Group, Oxford.

Procedure NPCHECK.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure NPCHECK. Numerical Algorithms Group, Oxford.

Procedure SPEARMAN.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure SPEARMAN. Numerical Algorithms Group, Oxford.

Procedure CONCORD.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure CONCORD. Numerical Algorithms Group, Oxford.

Procedure WILCOXON.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure WILCOXON. Numerical Algorithms Group, Oxford.

Procedure WILCOXON.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure WILCOXON. Numerical Algorithms Group, Oxford.

Resurgence of insecticide-resistant Myzus persicae on potatoes treated repeatedly with cypermethrin and mineral oil.

A - Papers appearing in refereed journals

Harrington, R., Bartlet, E., Riley, D. K., Ffrench-Constant, R. H. and Clark, S. J. 1989. Resurgence of insecticide-resistant Myzus persicae on potatoes treated repeatedly with cypermethrin and mineral oil. Crop Protection. 8 (5), pp. 340-348. https://doi.org/10.1016/0261-2194(89)90053-7

Estimation of the negative binomial parameter k by maximum quasi-likelihood.

A - Papers appearing in refereed journals

Clark, S. J. and Perry, J. N. 1989. Estimation of the negative binomial parameter k by maximum quasi-likelihood. Biometrics. 45 (1), pp. 309-316. https://doi.org/10.2307/2532055

The effect of fungus infection of Metopolophium dirhodum [Hom.: Aphididae] on the oviposition behaviour of the aphid parasitoid Aphidius rhopalosiphi [Hym.: Aphididae].

A - Papers appearing in refereed journals

Brobyn, P. J., Clark, S. J. and Wilding, N. 1988. The effect of fungus infection of Metopolophium dirhodum [Hom.: Aphididae] on the oviposition behaviour of the aphid parasitoid Aphidius rhopalosiphi [Hym.: Aphididae]. Entomophaga. 33, pp. 333-338. https://doi.org/10.1007/BF02372623

Close-range behaviour of male pea moths, Cydia nigricana, responding to sex pheromone re-released via the substrate

A - Papers appearing in refereed journals

Perry, J. N., Wall, C. and Clark, S. J. 1988. Close-range behaviour of male pea moths, Cydia nigricana, responding to sex pheromone re-released via the substrate. Entomologia Experimentalis et Applicata. 49 (42767), pp. 37-42. https://doi.org/10.1111/j.1570-7458.1988.tb02474.x

Effect of decline of insecticide residues on selection for insecticide resistance in Myzus persicae (Sulzer) (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Ffrench-Constant, R. H., Clark, S. J. and Devonshire, A. L. 1988. Effect of decline of insecticide residues on selection for insecticide resistance in Myzus persicae (Sulzer) (Hemiptera: Aphididae). Bulletin of Entomological Research. 78 (1), pp. 19-29. https://doi.org/10.1017/S0007485300016047

Differential rate of selection for resistance by carbamate, organophosphorus and combined pyrethroid and organophosphorus insecticides in Myzus persicae (Sulzer) (Hemiptera: Aphididae).

A - Papers appearing in refereed journals

Ffrench-Constant, R. H., Devonshire, A. L. and Clark, S. J. 1987. Differential rate of selection for resistance by carbamate, organophosphorus and combined pyrethroid and organophosphorus insecticides in Myzus persicae (Sulzer) (Hemiptera: Aphididae). Bulletin of Entomological Research. 77 (2), pp. 227-238. https://doi.org/10.1017/S0007485300011706

Laboratory observations on the effect of humidity on the persistence of infectivity of conidia of the aphid pathogen Erynia neoaphidis .

A - Papers appearing in refereed journals

Brobyn, P. J., Wilding, N. and Clark, S. J. 1987. Laboratory observations on the effect of humidity on the persistence of infectivity of conidia of the aphid pathogen Erynia neoaphidis . Annals of Applied Biology - AAB. 110 (3), pp. 579-584. https://doi.org/10.1111/j.1744-7348.1987.tb04176.x

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

The pattern and speed of displacement of females of simulium-damnosum theobald si (diptera, simuliidae) across the onchocerciasis control program area of west-africa in 1977 and 1978

A - Papers appearing in refereed journals

Johnson, C. G., Walsh, J. F., Davies, J. B., Clark, S. J. and Perry, J. N. 1985. The pattern and speed of displacement of females of simulium-damnosum theobald si (diptera, simuliidae) across the onchocerciasis control program area of west-africa in 1977 and 1978. Bulletin of Entomological Research. 75 (1), pp. 73-92. https://doi.org/10.1017/s0007485300014188

The persistence of infectivity of conidia of the aphid pathogen Erynia neophidis on leaves in the field

A - Papers appearing in refereed journals

Brobyn, P. J., Wilding, N. and Clark, S. J. 1985. The persistence of infectivity of conidia of the aphid pathogen Erynia neophidis on leaves in the field. Annals of Applied Biology - AAB. 107 (3), pp. 365-376. https://doi.org/10.1111/j.1744-7348.1985.tb03153.x

Use of population-models to estimate the proportion of cyst-nematode eggs killed by fumigation

A - Papers appearing in refereed journals

Perry, J. N. and Clark, S. J. 1983. Use of population-models to estimate the proportion of cyst-nematode eggs killed by fumigation. Journal of Applied Ecology. 20 (3), pp. 857-864. https://doi.org/10.2307/2403130