Items where Year is 1990
Number of items: 464.
Biological control of soil-borne plant pathogens. (1990)
UNSPECIFIED
The relation between reflected radiation and yield on the Broadbalk winter wheat experiment. (1990)
Ashcroft, P. M., Catt, John, Curran, P. J., Munden, J., Webster, Richard
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The effect of tyre/soil contact pressure and zero traffic on soil and crop responses when growing winter wheat. (1990)
Chamen, W. C. T., Chittey, E. T., Leede, P. R., Goss, M. J., Howse, K. R.
Estimating the surface density of fissures in clay soil from deterministic parallel sections. (1990)
Scott, G. J. T., Webster, Richard, Nortcliff, S.
The development of tefluthrin as a new seed treatment for the control of soil-inhabiting pests of sugar-beet seedlings. (1990)
Winder, G. H.
Epidemiology of fungally-transmitted viruses. (1990)
Adams, Michael
Managing nitrate in the environment. (1990)
Addiscott, Tom
Measurement of nitrate leaching: a review of methods. (1990)
Addiscott, Tom
Nitrogen: balancing crop and environmental priorities. (1990)
Addiscott, Tom
The nitrate problem. (1990)
Addiscott, Tom
Relating the parameters of a leaching model to the percentages of clay and other soil components. (1990)
Addiscott, Tom, Bailey, N. J.
Recent work on honey bee diseases at Rothamsted. I. Pathogen incidence studies. (1990)
Allen, M.
Recent work on honey bee diseases at Rothamsted. II: Kashmir bee virus. (1990)
Allen, M.
Purification, characterization, and some properties of a virus from the aphid Sitobion avenae. (1990)
Allen, M. F., Ball, B. V.
An isolate of Melissococcus pluton from Apis laboriosa. (1990)
Allen, M. F., Ball, B. V.
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Assessing the risks involved in the release of genetically manipulated microorganisms. (1990)
Amarger, N., Hirsch, Penny, Klingmuller, W.
Assessing the risks involved in the release of genetically manipulated microorganisms. (1990)
Amarger, N., Hirsch, Penny, Klingmuller, W.
Soluble carbohydrates in roots of leek (Allium porrum ) plants in relation to phosphorus supply and VA mycorrhizas. (1990)
Amijee, F., Stribley, D. P., Tinker, P. B.
Soluble carbohydrates in roots of leek (Allium porrum) plants in relation to phosphorus supply and VA mycorrhizas. (1990)
Amijee, F., Stribley, D. P., Tinker, P. B.
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Pathogenesis-related proteins and induced resistance. (1990)
Antoniw, John, White, R. F.
Cryptic viruses of beet and other plants. (1990)
Antoniw, John, White, R. F., Xie, W.
Timing the application of P, K, Na and Mg fertilisers. (1990)
Armstrong, M. J., Jaggard, K. W.
Forecasting powdery mildew. (1990)
Asher, M. J.
Rhizomania - recent research and its implications. (1990)
Asher, M. J. C., Peck, W.
Environmental persistence of pesticides used in grassland: implications for predatory ground beetles. (1990)
Asteraki, E. J., Hanks, C. B.
Sampling remotely sensed imagery for storage, retrieval and reconstruction. (1990)
Atkinson, P. M., Curran, P. J., Webster, Richard
Sedimentology and micropalaeontology of glacimarine sediments from the Central and Southwestern Celtic Sea. (1990)
Austin, W. E. N., Bateman, R. M., Catt, John, Evans, C. D. R., Robinson, J. E., Young, J. R.
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Decomposition of carbon-14 labeled ryegrass and maize under tropical conditions. (1990)
Ayanaba, A., Jenkinson, David
Automorphism groups of block structures with and without treatments. (1990)
Bailey, Rosemary
An efficient semi-Latin square for twelve treatments in blocks of size two. (1990)
Bailey, Rosemary
Approximating a symmetric matrix. (1990)
Bailey, Rosemary, Gower, John
Translation nets and fixed-point-free group automorphisms. (1990)
Bailey, Rosemary, Jungnickel, D.
Some comments on Gerechte designs. I. Analysis for uncorrelated errors. (1990)
Bailey, Rosemary, Kunert, J., Martin, R. J.
General balance and treatment permutations. (1990)
Bailey, Rosemary, Rowley, C. A.
The potential for use of metal-accumulating plants in the decontamination of soils polluted by heavy metals. (1990)
Baker, A. J. M., McGrath, Steve, Reeves, R. D.
Herbicide penetration across isolated and intact leaf cuticles. (1990)
Baker, E. A., Chamel, A. R.
Technical Reference: The Rothamsted Insect Survey Database. (1990)
Ball, A. M.
Varroa jacobsoni as a virus vector (CEC Report EUR 11932). (1990)
Ball, B. V.
Seasonality and diversity of macrolepidoptera in two lowland sites in the Dumoga-Bone National Park, Sulawesi Utara. (1990)
Barlow, H. S., Woiwod, Ian
Yeasts: characteristics and identification. (1990)
Barnett, J. A., Payne, Roger, Yarrow, D.
Modelling K uptake by plants from soil. (1990)
Barraclough, P. B.
The effects of drought and nitrogen on root growth and water uptake by winter wheat. (1990)
Barraclough, P. B., Kuhlman, H., Weir, A. H.
The effects of prolonged drought and nitrogen fertiliser on root and shoot growth and water uptake by winter wheat. (1990)
Barraclough, P. B., Kuhlmann, H., Weir, A. H.
Computerized database management for a cereal aphid-monitoring scheme. (1990)
Bartlet, E., Thomas, C., Carter, N., Hipgrave, J.
Comparison of the effects of prochloraz and flusilazole on foot rot diseases and on populations of the eyespot fungus,Pseudocercosporella herpotrichoides, in winter wheat. (1990)
Bateman, Geoff
Changes in the populations of Pseudocercosporella herpotrichoides in successive crops of winter wheat in relation to initial populations and fungicide treatments. (1990)
Bateman, Geoff, Fitt, Bruce, Creighton, N. F., Hollomon, D. W.
Comparison of infection by W-type and R-type isolates of the eyespot pathogen, Pseudocercosporella herpotrichoides, in relation to host species and cultivar, temperature and watering regime in controlled environments. (1990)
Bateman, Geoff, Goulds, A., Ainsley, A.
Effects of take-all on some aspects of grain quality of winter wheat. (1990)
Bateman, Geoff, Hornby, D., Gutteridge, R. J.
The effectiveness of eleven sterol biosynthesis-inhibiting fungicides against the take-all fungus, Gaeumannomyces graminis var. tritici, in relation to their physical properties. (1990)
Bateman, Geoff, Nicholls, P. H., Chamberlain, Keith
Effects of premature or delayed harvesting on the quality of barley for malting. (1990)
Baxter, E. D., Jenkyn, John
The influence of certain herbicides in pelletted form on the hatch and invasion of Globodera rostochiensis, G. pallida and Heterodera schachtii . (1990)
Beane, J., Perry, R.
Somaclonal variation from cultured immature embryos of sister lines of rye differing in heterochromatic content. (1990)
Bebeli, P. J., Karp, Angela, Kaltsikes, P. J.
The influence of climatic conditions around the time of spraying isoproturon on the subsequent injury to barley. (1990)
Blair, A. M., Martin, T. D.
Measurement and prediction of isoproturon movement and persistence in three soils. (1990)
Blair, A. M., Martin, T. D., Walker, A., Welch, S. J.
Comparison of late Sym genes in Rhizobium species and construction of improved strains. (1990)
Boistard, P., Hirsch, Penny, O'Connell, M., Puhler, A.
Comparison of late Sym genes in Rhizobium species and construction of improved strains. (1990)
Boistard, P., Hirsch, Penny, O'Connell, M., Puhler, A., Priefer, U. B.
The effect of weed distribution on predictions of yield loss. (1990)
Brain, P., Cousens, R. D.
Rapid kinetics of an N-terminal mutant of cyanobacterial ribulose-1,5-bisphosphate carboxylase/oxygenase. (1990)
Branden, R., Keys, A. J., Parry, Martin
Uptake by tomato plants of the herbicide [C-14] 2,4-D-butyl in the vapour phase. (1990)
Breeze, V. G.
Monoclonal antibodies that recognise the repeat motif of the S-poor prolamins. (1990)
Brett, G. M., Mills, E. N. C., Parmar, Saroj, Tatham, A. S., Shewry, Peter, Morgan, M. R. A.
Long-term effects on soil and crops of repeated applications of pesticides. (1990)
Briggs, G. G., Bromilow, Richard, Evans, A. A., Nicholls, P. H.
Physicochemical aspects of phloem translocation of herbicides. (1990)
Bromilow, Richard, Chamberlain, Keith, Evans, A. A.
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A rapid method using Ricinus communis for the estimation of phloem translocation of xenobiotics. (1990)
Bromilow, Richard, Chamberlain, Keith, Patil, S. G.
The soil microbial biomass : its measurement, properties and role in soil nitrogen and carbon dynamics following substrate incorporation. (1990)
Brookes, Philip, Ocio, J. A., Wu, J.
The ATP content and adenylate charge of the soil microbial biomass and the effects of temperature on microbial survival and the mineralization of soil organic matter. (1990)
Brookes, Philip, Jorgensen, R. G., Jenkinson, David
Modelling metabolism of growth in cattle. (1990)
Buchanan-Smith, J. G., Gill, M., France, J., Beever, D. E.
Role of honeydew in the location of cereal aphids by their parasitoids. (1990)
Budenberg, W. J.
Mechanism of action of herbicidal and fungicidal compounds on cell membranes. (1990)
Burden, R. S., Cooke, D. T., Hargreaves, J. A.
User Guide: Pad Contension Switch. (1990)
Burnell, C. R.
The rapid and sensitive detection of the plant parasitic nematode Globodera pallida using a non-radioactive biotinylated DNA probe. (1990)
Burrows, P. R.
The use of DNA to identify plant parasitic nematodes. (1990)
Burrows, P. R.
Base sequence divergence in mitochondrial DNA from European populations of Globodera rostochiensis and G. pallida . (1990)
Burrows, P. R., Feile, E. J., Perry, Roland
Fungal infection processes - a minireview. (1990)
Butt, Tariq
A histological study of the invasive and developmental processes of the aphid pathogen Erynia neoaphidis (Zygomycotina: Entomophthorales) in the pea aphid Acyrthosiphon pisum. (1990)
Butt, Tariq, Beckett, A., Wilding, N.
Biochemical study of insecticide resistance in the cottom whitefly, Bemisia tabaci (Genn.). (1990)
Byrne, F. J., Devonshire, A. L., Rowland, M. W., Sawicki, R. M.
Sex attractant pheromone of damson-hop aphid %Phorodon humili$ (Homoptera, aphididae). (1990)
Campbell, C. A. M., Dawson, G. W., Griffiths, D. C., Pettersson, J., Pickett, John, Wadhams, L. J., Woodcock, Christine
Aphid sex pheromones and interaction with host plant volatiles. (1990)
Campbell, C., Dawson, G. W., Pettersson, J., Pickett, John, Wadhams, L. J., Woodcock, Christine
Pyrophosphate-dependent phosphofructokinase. (1990)
Carlisle, S. M., Blakeley, S. D., Hemmingsen, S. M., Trevanion, S. J., Hiyoshi, T., Kruger, N. J., Dennis, D. T.
Pyrophosphate-dependent phosphofructokinase. (1990)
Carlisle, S. M., Blakeley, S. D., Hemmingsen, S. M., Trevanion, S. J., Hiyoshi, T., Kruger, N. J., Dennis, D. T.
Estimating potential crop colonization by barley yellow dwarf vectors from suction trap samples. (1990)
Carter, N., Tatchell, Mark
Chronological methods applied to the investigation of paleosols. (1990)
Catt, John
Geology and relief. (1990)
Catt, John
Paleopedology manual. (1990)
Catt, John
Recent progress in the investigation of paleosols and paleoweatherings. (1990)
Catt, John
Tropical residual soils. Geological Society Engineering Group Working Party Report. (1990)
Catt, John
Mesophilic anaerobic digestion of dairy cow slurry on a farm scale: maintenance requirements and reliability. (1990)
Chapman, J. M., Phillips, V. R., Pain, B. F.
A long-term comparison of ploughing, tine cultivation and direct drilling on the growth and yield of winter cereals and oilseed rape on clayey and silty soils. (1990)
Christian, D. G., Bacon, E. T. G.
Development and control of Botrytis in UK sunflower crops. (1990)
Church, V. J., Rawlinson, C. J., Fitt, Bruce
Fertilizer use on farm crops in Great Britain: results from the Survey of Fertilizer Practice, 1969-88. (1990)
Clamers, A., Kershaw, C., Leech, P.
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Detection of DNA-binding proteins in nuclear extracts of barley endosperm. (1990)
Clark, J. R.
Studies on the mechanism of sodium transport at the tonoplast of Beta vulgaris. PhD thesis, University of London. (1990)
Clark, L. J.
Effects of repeated applications of fluazifop-butyl, haloxyfop and sethoxydim on Elymus repens in strawberries. (1990)
Clay, D. V., Lawrie, J., Hertz, L. B.
Soil structure deterioration and impared root development in grassland as a result of long-term pesticide use. (1990)
Clements, R. O., Murray, Phil
Herbage yield and botanical composition over twenty years of a predominantly ryegrass sward treated frequently with phorate pesticide and three rates of nitrogen fertiliser. (1990)
Clements, R. O., Murray, Phil, Bentley, B. R., Henderson, I. F.
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Differential cold hardiness in adults and nymphs of the peach-potato aphid Myzus persicae . (1990)
Clough, M. S., Bale, J. S., Harrington, Richard
Nematodes - the hidden enemy. (1990)
Cooke, D. A.
Infection of the potato cyst nematode by the nematophagous fungus, %Nematophthora gynophila$. (1990)
Crump, D. H., Moore, H.
Nematode pests : the need for biological control. (1990)
Crump, D., De Leij, F., Kerry, B. K.
A comparison of the effects of single or multiple spring applications of prilled urea or 'Nitro-chalk' to winter oilseed rape (Brassica napus). (1990)
Darby, R. J., Hewitt, M. V.
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Short-term effects of nitrogen on the growth and nitrogen nutrition of small swards of white clover and perennial ryegrass in spring. (1990)
Davidson, L. A., Robson, M. J.
The impact of utilization on a Cortaderia pilosa (Whitegrass) pasture in terms of production, botanical composition and tiller dynamic. (1990)
Davies, A. B., Riley, J., Poultney, R., Carter, A. O.
Plant form, tiller dynamics and above-ground standing crops of the range of Cortaderia pilosa communities in the Falkland Islands. (1990)
Davies, A. B., Riley, J., Walton, D. W. H.
Pasteuria penetrans a parasite of root-knot and cyst nematodes: the potential for its use in biological control. (1990)
Davies, K. G.
The life-cycle, population dynamics and host specificity of a parasite of Heterodera avenae , similar to Pasteuria penetrans. (1990)
Davies, K. G., Flynn, C. A., Laird, V., Kerry, B. R.
Selection of species-specific monoclonal antibodies for use in the detection of root-knot nematodes. (1990)
Davies, K. G., Lander, E. B.
The characterisation of Pasteuria penetrans using a polyclonal antibody and its effect on spore attachment to the second-stage juvenile of Meloidogynae incognita. (1990)
Davies, K. G., Robinson, M. P., Persidis, A.
Factors affecting the colonisation of a root system by fluorescent Pseudomonads: the effects of water, temperature and soil microflora. (1990)
Davies, K. G., Whitbread, R.
In vitro studies of siderophore production by wild type and rifampicin resistant strains of fluorescent Pseudomonads. (1990)
Davies, K. G., Whitbread, R.
Symptomless infection of Rhynchosporium secalis on leaves of winter barley. (1990)
Davis, H., Fitt, Bruce
Symptomless infection of Rhynchosporium secalis on leaves of winter barley. (1990)
Davis, H., Fitt, Bruce
Aphid semiochemicals - a review, and recent advances on the sex pheromone. (1990)
Dawson, G. W., Griffiths, D. C., Merritt, L. A., Mudd, A., Pickett, John, Wadhams, L. J., Woodcock, Christine
Convenient synthesis of mosquito oviposition pheromone and a highly fluorinated analog retaining biological activity. (1990)
Dawson, G. W., Mudd, A., Pickett, John, Pile, M. M., Wadhams, L. J.
Influence of temperature and nematode species on the efficacy of the fungus Verticillium chlamydosporium, as a biological control agent of root-knot nematodes. (1990)
De Leij, F. A. A. M., Kerry, B. R.
Monitoring and interpreting changes in insecticide resistance. (1990)
Denholm, Ian
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Prospects for managing resistance to insecticides in the whitefly. (1990)
Denholm, Ian, Birnie, L. C.
Biochemical assays for insecticide resistance: strategies and limitations. (1990)
Denholm, Ian, Gorman, K. J., Moores, G. D., Devonshire, A. L.
Laboratory evaluation and empirical modeling of resistance-countering strategies. (1990)
Denholm, Ian, Rowland, M., Farnham, A. W., Sawicki, R. M.
Genetic basis of sex determination in two South African strains of house-fly (Musca domestica L.). (1990)
Denholm, Ian, Rubini, P. G., Rovati, C., Vecchi, M.
Biochemical and DNA probing techniques for monitoring insecticide resistance genes. (1990)
Devonshire, A. L.
Biochemical and molecular biological approaches to insecticide resistance research. (1990)
Devonshire, A. L.
Biochemical and molecular genetic analysis of insect populations resistant to insecticide. (1990)
Devonshire, A. L.
New active ingredients for controlling aphids and virus yellows in sugar beet. (1990)
Dewar, A. M.
Evaluation of an insecticidal seed treatment, Imidacloprid, for controlling aphids on sugar beet. (1990)
Dewar, A. M., Read, L. M.
The continuing story of virus yellows. (1990)
Dewar, A. M., Smith, H. G.
The effects of tefluthrin on beneficial insects in sugar beet. (1990)
Dewar, A. M., Thornhill, W. A., Read, L. A.
Temperature and seed storage longevity. (1990)
Dickie, J. B., Ellis, R. H., Kraak, H. L., Ryder, K., Tompsett, P. B.
Genstat 5 Release 1 for personal computers. (1990)
Digby, P. G. N.
Multivariate analysis of within-group variability. (1990)
Digby, P. G. N., Moore, K. L.
Representation of microbial metabolism in a mathematical model of rumen fermentation. (1990)
Dijkstra, J., Neal, H. D. St. C., Gill, M., Beever, D. E., France, J.
The management of populations of vesicular-arbuscular mycorrhizal fungi in acid-infertile soils of a savanna ecosystem. I. The effect of pre-cropping and inoculation with VAM-fungi on plant growth and nutrition in the field. (1990)
Dodd, J. C., Arias, I., Koomen, I., Hayman, D. S.
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The management of populations of vesicular-arbuscular mycorrhizal fungi in acid-infertile soils of a savanna ecosystem. II. The effects of pre-crops on the spore populations of native and introduced VAM-fungi. (1990)
Dodd, J. C., Arias, I., Koomen, I., Hayman, D. S.
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Irrigation of sugar beet: the benefits in 1989. (1990)
Dunham, R. J.
Factors associated with germination of sugar-beet seed in the standard test and establishment in the field. (1990)
Durrant, M. J., Gummerson, R. J.
Some changes in sugar-beet seeds during maturation and after density grading. (1990)
Durrant, M. J., Loads, A. H.
The use of a specific gravity table or an aspirator in sugar-beet seed processing. I. To increase the germination percentage. (1990)
Durrant, M. J., Mash, S. J.
The use of a specific gravity table or an aspirator in sugar-beet seed processing. II. To increase vigour and synchrony of germination. (1990)
Durrant, M. J., Mash, S. J.
John Bennet Lawes: the record of his genius. (1990)
Dyke, G. V.
Evaluation of methods for enumerating microorganisms in filter samples from highly contaminated environments. (1990)
Eduard, W., Lacey, J., Karlsson, K., Palmgren, U., Strom, G., Blomquist, G.
The pyrethroids: early discovery, recent advances and the future. (1990)
Elliott, Michael
The physiological basis of glucosinolate accumulation in the developing seed of oilseed rape (B. napus). (1990)
Evans, E. J., Bilsborrow, P. E., Milford, G. F. J., Fieldsend, J. E., Spink, J.
A review of tolerance by potato plants of cyst nematode attack, with consideration of what factors may confer tolerance and methods of assaying and improving it in crops. (1990)
Evans, K., Haydock, P. P. J.
Field trials using single potato plants as whole plots, with and without nematicide treatment, to assess tolerance of attack by Globodera rostochiensis. (1990)
Evans, K., Russell, M. D.
Field trials with cyst nematodes and laboratory studies with Pratylenchus spp. on oilseed rape. (1990)
Evans, K., Webb, R. M.
Deaminase activity in arable soils. (1990)
F., Allison
Studies on resistance breaking populations morphologically indistinguishable from Meloidogyne incognita. (1990)
Fargette, M., Trudgill, D. L., Davies, K., Robinson, M.
The pyrethrins and related compounds. Part XXXVII. Synthesis and insecticidal properties of new 1-aryl-1-(3-arylpropyl and -propenyl)cyclopropanes (non-ester pyrethroids). (1990)
Farnham, A. W., Ifill, A., Janes, N. F., Javed, T., Khambay, B. P. S.
Feeding and the accumulation of Ditylenchus dipsaci. (1990)
Feil, J. J., Perry, Roland, Atkinson, H. J.
Studies on the genes responsible for insecticide resistance in the peach-potato aphid, Myzus persicae. (1990)
Field, Lin, Moores, G. D., Smith, S. D. J., Devonshire, A. L.
Responses to pathogen and pest control in linseed. (1990)
Fitt, Bruce, Ferguson, A. W.
Strategies for control of eyespot (Pseudocercosporella herpotrichoides) in UK winter wheat and winter barley. (1990)
Fitt, Bruce, Goulds, A., Hollins, T. W., Jones, D. R.
Experimental allergic alveolitis after inhalation of mouldy air. (1990)
Fogelmark, B., Rylander, R., Lacey, J.
Nuclear factors interact with conserved A/T-rich elements upstream of a nodule-enhanced glutamine synthetase gene from French bean. (1990)
Forde, Brian, Freeman, Jackie, Oliver, J. E., Pineda, M.
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Abstracts of Communications. Proceedings of the Twentieth Meeting of the AFRC Modellers' Group. (1990)
France, J.
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Modelling in vitro and in vivo rumen processes. (1990)
France, J., Siddons, R. C., Theodorou, M. K., Beever, D. E., Van Soest, P. J.
Determination of rumen volume in nonsteady state using digesta markers: a dynamic, deterministic, mechanistic approach. (1990)
France, J., Thornley, J. H. M., Siddons, R. C., Dhanoa, M. S.
Honeybee responses to chemical components from the worker sting apparatus and mandibular glands in field tests. (1990)
Free, J. B., Ferguson, A. W., Simpkins, J. R.
Queen discrimination by honeybee (Apis mellifera L) workers. (1990)
Free, J. B., Ferguson, A. W., Simpkins, J. R.
The effect of different periods of brood isolation on subsequent brood-cell visits by worker honeybees (Apis mellifera L). (1990)
Free, J. B., Ferguson, A. W., Simpkins, J. R.
Molecular analysis of barley mutants deficient in chloroplast glutamine synthetase. (1990)
Freeman, Jackie, Marquez, A. J., Wallsgrove, R. M., Saarelainen, R., Forde, Brian
Seasonal variation of susceptible and resistant variants of Myzus persicae. (1990)
Furk, C., Hines, C. M., Smith, S. D. J., Devonshire, A. L.
The role of the moulted cuticles in the survival of Rotylenchulus reniformis. (1990)
Gaur, H. S., Perry, Roland
Genstat 5. Release 2. Reference Manual Supplement. (1990)
Genstat, Five Committee
New facilities in Genstat 5 Release 2. (1990)
Genstat, Five Committee.
The use of cold-flow ammonia and bag silos in the production of maize silage for beef production. Results of a trial commissioned by the Maize Growers' Association, conducted at Buildings Farm, Marcham, winter 1989-90. (1990)
Gibb, M. J.
Resistance to potato virus Y and potato virus X in Solanum brevidens. (1990)
Gibson, R. W., Pehu, E., Woods, R. D., Jones, M. G. K.
Additivity in intake models. (1990)
Gill, M., France, J., Dynes, R. A.
Slug problems in relation to straw disposal. (1990)
Glen, D.
Damage to oilseed rape seedlings by the field slug Deroceras reticulatum in relation to glucosinolate concentration. (1990)
Glen, D. M., Jones, Huw, Fieldsend, J. K.
Effect of seed depth on slug damage to winter wheat. (1990)
Glen, D. M., Milsom, N. F., Wiltshire, C. W.
130 years of inorganic nitrogen fertilizer applications to the Broadbalk Wheat Experiment: the effect on soil organic nitrogen. (1990)
Glendining, Margaret, Powlson, David
Some agricultural and environmental consequences of long-term applications of inorganic nitrogen fertilizer. (1990)
Glendining, Margaret, Powlson, David, Poulton, Paul
Causes of variation in yields of wheat under dryland farming in the Alentejo Region of Portugal and some future prospects. (1990)
Goss, M. J., Carvalho, M. J. G. P. R.
The leaching of nitrates after spring fertilizer application and the influence of tillage. (1990)
Goss, M. J., Howse, K. R., Harris, G. L., Colbourn, P.
Nitrogen deposition to land from the atmosphere. (1990)
Goulding, Keith
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Potassium exchange in soils and clays. (1990)
Goulding, Keith
Summary chapter: losses of nutrients from ecosystems. (1990)
Goulding, Keith
Losses of nitrate from arable land by leaching and their effect on nitrates in drainage and groundwater. (1990)
Goulding, Keith, Johnston, Johnny, Webster, Colin, Howe, M.
Direct methods for estimating denitrification losses of nitrogen fertiliser. (1990)
Goulding, Keith, Webster, Colin, Powlson, David, Poulton, Paul, Abu Bakar, R.
Effects of fungicide timing on the severity of eyespot on winter wheat or winter barley inoculated with W-type or R-type isolates of Pseudocercosporella herpotrichoides. (1990)
Goulds, A., Fitt, Bruce
The development of eyespot on seedling leaf sheaths in winter wheat and winter barley crops inoculated with W-type and R-type isolates of Pseudocercosporella herpotrichoides. (1990)
Goulds, A., Fitt, Bruce
Assessment of eyespot and other stem base diseases of winter wheat and winter barley. (1990)
Goulds, A., Polley, R. W.
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OMEGA (Online multivariate exploratory graphical analysis): routine searching for structure; comment. (1990)
Gower, John
Three-dimensional biplots. (1990)
Gower, John
Effect of oleic acid on vegetative growth of the aphid-pathogenic fungus Erynia neoaphidis. (1990)
Gray, S. N., Robinson, P., Wilding, N., Markham, P.
Opportunities for control of insects in arable crops using semiochemicals and other unconventional methods. (1990)
Griffiths, D. C.
The isolation and characterisation of protein kinase-encoding cDNA and genomic clones from rye and barley. (1990)
Halford, Nigel, Shewry, Peter, Sabelli, P., Alderson, A., Richardson, M., Kreis, M.
Aphid sex pheromone components: age-dependent release by females and species-specific male response. (1990)
Hardie, J., Holyoak, M., Nicholas, J., Nottingham, S. F., Pickett, John, Wadhams, L. J., Woodcock, Christine
Genstat 5, Release 2: Graphical extension guide. (1990)
Harding, S. A., Stalewski, A. J.
Weather, life cycle strategy and spring population of aphids. (1990)
Harrington, Richard, Tatchell, Mark, Bale, J. S.
Migration for survival: fine-scale population redistribution in an aphid, Myzus persicae. (1990)
Harrington, Richard, Taylor, Roy
User Guide: Constant Environment Temperature Monitoring System. (1990)
Harrison, G. E.
User Guide: Soils Analytical Section Database. (1990)
Harrison, G. E.
Estimating basal temperatures for the development of Globodera rostochiensis and G. pallida using probability and regression or least variance analysis. (1990)
Haydock, P. P. J., Evans, K., Smith, G. L.
The role of atmospheric cycling in controlling selenium levels in grassland and livestock. (1990)
Haygarth, Philip, Jones, K. C., Harrison, A. F.
Control of slugs with contact-action molluscicides. (1990)
Henderson, I. F., Martin, A. P.
Laboratory and field assessment of a new aluminium chelate slug poison. (1990)
Henderson, I. F., Martin, A. P., Parker, K.
Compounds which mimic isothiocyanate release from glucosinolates. (1990)
Hick, A. J., Dawson, G. W., Pickett, John
Effects of neighbouring plants on the yield of potatoes. (1990)
Hide, G. A.
Improving the quality of table potatoes. (1990)
Hide, G. A., Boorer, K. J.
Effects of an isolate of Rhizoctonia solani Kuhn AG8 from diseased barley on the growth and infection of potatoes (Solanum tuberosum L.). (1990)
Hide, G. A., Firmager, J. P.
Effect of neighbouring plants on the yield of potatoes from seed tubers affected with gangrene (Phoma foveata) or from plants affected with stem canker (Rhizoctonia solani). (1990)
Hide, G. A., Read, P. J.
Factors limiting gene transfer in bacteria. (1990)
Hirsch, Penny
The rhizobium-legume symbiosis. (1990)
Hirsch, Penny, O'Connell, M., Boistard, P., Puhler, A., Priefer, U. B.
Philip Herries Gregory, 24 July 1907 - 9 February 1986. (1990)
Hirst, J. M.
Extraction and processing of plant and soil nematodes. (1990)
Hooper, D. J.
The distance of the dorsal oesophageal gland opening from the stylet base in second-stage juveniles of %Globodera pallida$ and %G. rostochiensis$ (Nematoda:Heteroderidae). (1990)
Hooper, D. J., Hogger, C. H.
The distance of the dorsal oesophageal gland opening from the stylet base in second-stage juveniles of Globodera pallida and G. rostochiensis (nematoda: Heteroderidae). (1990)
Hooper, D. J., Hogger, C. H.
Plant parasitic nematodes associated with the roots of wind toppled trees at the Royal Botanic Gardens, Kew. (1990)
Hooper, D. J., Webb, R. M., Flynn, C.
Consultancy report prepared for Stratton Creber land agents. (1990)
Hopkins, A.
Response of permanent and reseeded grassland to fertilizer nitrogen. 1. Herbage production and herbage quality. (1990)
Hopkins, A., Gilbey, J., Dibb, C., Bowling, P. J., Murray, Phil
Root diseases. (1990)
Hornby, D.
Special thematic issue. (1990)
Hornby, D.
Artificial infestation of soil with Gaeumannomyces graminis var. tritici to study the relationship between take-all and wheat yields in field experiments. (1990)
Hornby, D., Bateman, Geoff
Experiments in England and France on fertilisers, fungicides and agronomic practices to decrease take-all. (1990)
Hornby, D., Bateman, Geoff, Gutteridge, R. J.
Glasshouse evaluation of fungicides for control of Fusarium spp on ears of winter wheat. (1990)
Hutcheon, J. A., Jordan, V. W. L.
Barley yellow dwarf virus (BaYMV) and BaYMV-M: two different viruses. (1990)
Huth, W., Adams, Michael
Barley yellow mosaic virus (BaYMV) and BaYMV-M: two different viruses. (1990)
Huth, W., Adams, Michael
Phosphate nutrition and photosynthesis: the role of RuBP Carboxylase and stomata. (1990)
Jacob, J., Lawlor, David
Stomatal and mesophyll regulation of photosynthesis in sunflower leaves differing in phosphate status. (1990)
Jacob, J., Lawlor, David
Are there too many beet in our fields? (1990)
Jaggard, K.
Remote sensing to predict the yield of sugar beet in England. (1990)
Jaggard, K. W., Clark, C. J. A.
Predicting yield for the sugar industry. (1990)
Jaggard, K., Clark, C.
Leaks in the nitrogen cycle. (1990)
Jenkinson, David
An introduction to the global nitrogen cycle. (1990)
Jenkinson, David
The turnover of organic carbon and nitrogen in the soil. (1990)
Jenkinson, David
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The turnover of organic matter in soil. (1990)
Jenkinson, David, Andrew, S., Lynch, J., Goss, M. J., Tinker, P. B.
Effects of defoliation at different growth stages and in different grain-filling environments on the growth and yield of spring barley. (1990)
Jenkyn, John, Anilkumar, T. B.
Ninhydrin-reactive nitrogen measurements of microbial biomass in 0.5M K2SO4 soil extracts. (1990)
Joergensen, R. G., Brookes, Philip
Some relationships between microbial ATP and soil microbial biomass, measured by the fumigation-extraction procedure and soil organic matter. (1990)
Joergensen, R. G., Brookes, Philip, Jenkinson, David
Survival of the soil microbial biomass at elevated temperatures. (1990)
Joergensen, R. G., Brookes, Philip, Jenkinson, David
Weed beet monitoring 1978-1988. (1990)
Johnson, M. G.
Liebig and the Rothamsted experiments. (1990)
Johnston, Johnny
Low input agriculture - is it sustainable? (1990)
Johnston, Johnny
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North European outlook of plant nutrition guidelines - experience in the UK. (1990)
Johnston, Johnny
Soil fertility-how can we define it in intensive agricultural systems? (1990)
Johnston, Johnny
Straw incorporation - its effects on soil fertility. (1990)
Johnston, Johnny
An overview of the nitrogen cycle. (1990)
Johnston, Johnny
The use of plant and soil analyses to predict the potassium supplying capacity of the soil. (1990)
Johnston, Johnny, Goulding, Keith
A method for rapid fixation and dehydration of nematode tissue for transmission electron microscopy. (1990)
Jones, J. T., Gwyn, I.
Electrophysiological recordings and responses to stimulants from Globodera rostochiensis and Syngamus trachea. (1990)
Jones, J. T., Perry, Roland, Johnston, M. R. L.
Electrophysiological recordings and responses to various stimuli by the potato cyst nematode Globodera rostochiensis. (1990)
Jones, J. T., Perry, Roland, Johnston, M. R. L.
Electrophysiological recordings and responses to various stimuli by the potato cyst nematode, Globodera rostochiensis . (1990)
Jones, J. T., Perry, Roland, Johnston, M. R. L.
Atmospheric inputs of heavy metals and organic contaminants to agroecosystems. (1990)
Jones, K. C., Haygarth, Philip, Johnston, Johnny
The application of protoplast technology to potato improvement. (1990)
Jones, M. G. K., Jones, Huw, Dunckley, R., Karp, Angela, Pehu, E.
A sensitive method for detection of isolates of BWYV and BMYV based upon the polymerase chain reaction. (1990)
Jones, T. D., Plumb, Roger, Buck, K. W.
Selection of exploitable biological control agents for plant-parasitic nematodes. (1990)
Kerry, B. R.
An assessment of progress toward microbial control of plant-parasitic nematodes. (1990)
Kerry, B. R.
Investigation of ribulose 1,5-bisphosphate carboxylase/oxygenase by genetic manipulation. PhD thesis, University of Warwick. (1990)
Kettleborough, C. A.
Chimaeras of the Rubisco large subunit from wheat and Anacystis do not assemble into active enzyme in E. coli. (1990)
Kettleborough, C. A., Parry, Martin, Keys, A. J., Phillips, Andy
Biochemistry of ribulose bisphosphate carboxylase. (1990)
Keys, A. J.
Ribulose bisphosphate carboxylase/oxygenase and carbonic anhydrase. (1990)
Keys, A. J., Parry, Martin
The effect of nitrogen on species diversity and agricultural production on the Somerset Moors. (1990)
Kirkham, F. W.
Mycorrhizal infection of clover is delayed in soils contaminated with heavy metals from past sewage sludge applications. (1990)
Koomen, I., McGrath, Steve, Giller, K. E.
Effect of planting date and irrigation on soil temperature, soil water content, and maize root growth. (1990)
Kovar, J. L., Barraclough, P. B., Barber, S. A.
Viruses in honey bee colonies infested with Varroa jacobsoni: first findings in Yugoslavia. (1990)
Kulincevic, J., Brenda, V. Ball, Mladjan, V.
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Grain dust and health. (1990)
Lacey, J.
Mycotoxins in UK cereals and their control. (1990)
Lacey, J.
Taxonomic history of actinomycete strains bearing the epithet rectivirgula: correct citation of authorities. (1990)
Lacey, J.
Airborne microorganisms associated with domestic waste composting. (1990)
Lacey, J., Williamson, P. A. M., King, P., Bardos, R. P.
Genstat 5. Release 2.1. (1990)
Lane, P. W.
Genstat made easy. (1990)
Lane, P. W.
Genstat made easy. (1990)
Lane, P. W.
The Genstat menu system. (1990)
Lane, P. W.
Genstat 5, Release 2.1: Implementors guide. (1990)
Lane, P. W., Stalewski, A. J., Harding, S. A.
Avoiding edge effects in agroforestry experiments; the use of neighbour-balances designs and guard areas. (1990)
Langton, Stephen
Manganese deficiency and the adjuvant connection. (1990)
Last, P. J., Bean, K. M. R.
Photosynthese. Stoffwechsel - Kontrolle - Physiologie. (1990)
Lawlor, David
Effects of foliar applied urea on leaf composition, photosynthesis and grain quality. (1990)
Lawlor, David, Milford, G. F. J., Mitchell, Valerie, Mitchell, Rowan
Ethernet Documentation: RES Ethernet Installation. (1990)
Lefevre, R. N.
Information Guide: Broom's Barn Tarehouse System. (1990)
Lefevre, R. N.
Technical Guide: Sartorius Balance 1602 MP6 RS232 Interface 7053 17. (1990)
Lefevre, R. N.
Characteristics of chloride transport at the tonoplast. (1990)
Leigh, Roger, Pope, A. J., Jennings, I. R., Sanders, D.
Herbage yield of nine genotypes of perennial ryegrass with and without infection by ryegrass endophyte. (1990)
Lewis, G. C.
Effect of Acremonium lolii on herbage yield of Lolium perenne at three sites in the UK. (1990)
Lewis, G. C., Clements, R. O.
Resistance to ryegrass mosaic virus and herbage yield of the synthetic cultivar Bb 2113, compared with other Italian ryegrass cultivars. (1990)
Lewis, G. C., Gibson, R. W.
The effects of a virus inhibitor, NS-83, derived from plants, on virus infection and multiplication in tobacco. (1990)
Li, H. F., White, R. F., Antoniw, John
Electroporation of cells. (1990)
Lindsey, K., Jones, M. G. K.
Selection of transformed cells. (1990)
Lindsey, K., Jones, M. G. K.
Bolting and weed beet prospects for 1990. (1990)
Longden, P. C.
Seed quality research for improved establishment. (1990)
Longden, P. C.
Gene flow in aphids. (1990)
Loxdale, H. D.
Temporal genetic stability within and restricted migration (gene flow) between local populations of the blackberry-grain aphid Sitobion fragariae in south-east England. (1990)
Loxdale, H. D., Brookes, C. P.
Estimating levels of gene flow between natural populations of cereal aphids (Homoptera: Aphididae). (1990)
Loxdale, Hugh
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Prevalence of Sitobion fragariae (Walker) over S. avenae (Fabricius)(Hemiptera: Aphididae) on wild cocksfoot grass (Dactylis glomerata ) in south-east England. (1990)
Loxdale, Hugh, Brookes, C. P.
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The competitive effects of volunteer barley (Hordeum vulgare) on the growth of oilseed rape (Brassica napus). (1990)
Lutman, P. J. W., Dixon, F. L.
Variations in the resistance of Stellaria media to mecoprop due to biotype, application method and 1-aminobenzotriazole. (1990)
Lutman, P. J. W., Heath, C. R.
Sources of nitrate leaching from arable soil to aquifers. (1990)
Macdonald, Andy, Poulton, Paul, Powlson, David
Extraction and analysis of sap from individual wheat leaf cells: the effect of sampling speed on the osmotic pressure of extracted sap. (1990)
Malone, M., Leigh, Roger, Tomos, A. D.
Laboratory apparatus and techniques for the rearing and insecticidal treatment of whitefly Bemisia tabaci (Homoptera: Aleyrodidae) under simulated field conditions. (1990)
Mark Rowland, Pye, B. J., Mary Stribley, Barbara Hackett, Denholm, Ian, Sawicki, R. M.
The production and release of ascospores of Pyrenopeziza brassicae on oilseed rape. (1990)
McCartney, H. A., Lacey, M. E.
Effects of break crops on wheat. (1990)
McEwen, J., Darby, R., Hewitt, M., Yeoman, D. P.
Deposition of sulphur and nitrogen from the atmosphere. (1990)
McGrath, Steve, Goulding, Keith
Chromium and nickel. (1990)
McGrath, Steve, Smith, S.
Weather focus - an assessment of the last three months. (1990)
Messem, A. B., Dunham, R. J.
Weather focus - an assessment of the last three months. (1990)
Messem, A. B., Dunham, R. J.
The energetics of cytosolic calcium homeostasis in fungal cells. (1990)
Miller, Tony, Sanders, D.
Measurement of intracellular nitrate in giant algal cells using nitrate-selective microelectrodes. (1990)
Miller, Tony, Zhen, R-G.
Purification, characterisation and biosynthesis of the vacuolar acid invertase of storage roots of red beet (Beta vulgaris L.). (1990)
Milling, R. J.
Uncertainty in prediction of effects of environmental change on wheat yields. (1990)
Mitchell, M.
Poster presentation: the effects of climate change on wheat yields: sensitivity of model predictions to increases in cloud cover. (1990)
Mitchell, Rowan
Plastoquinol diffusion in linear photosynthetic electron transport. (1990)
Mitchell, Rowan, Spillmann, A., Haehnel, W.
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Biochemical monitoring of multiple mechanisms of resistance to organophosphorus insecticides in houseflies. (1990)
Moores, G. D., Denholm, Ian, Gorman, K. J., Devonshire, A. L.
Modelling the epidemiology of barley yellow dwarf virus. PhD thesis, University of Southampton. (1990)
Morgan, D.
Herbicide cross-resistance in slender foxtail (Alopecurus myosuroides). (1990)
Moss, Stephen
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White clover pests. (1990)
Murray, Phil
Ryegrass endophyte and its effects on white clover germination. (1990)
Murray, Phil, Clements, R. O.
Does ryegrass endophyte stimulate emergence of white clover seedlings? (1990)
Murray, Phil, Clements, R. O., Lewis, G. C.
White clover enhancement in permanent grassland using pesticides. (1990)
Murray, Phil, Clements, R. O., Sheldrick, R. D.
Reducing the odour during slurry disposal. (1990)
Nielsen, V. C., Pain, B. F., Phillips, V. R., Warner, N. L.
Growing barley for malting - a review (HGCA Project 0025/1/87). (1990)
Norman L Carreck, Christian, D. G.
The dynamics of nitrogen accumulation in barley grain and malting quality. (1990)
Norman L Carreck, Christian, D. G., Jenkyn, John
La biomasa microbiana como agente de las transformaciones de nitrogeno en el suelo tras el enterrado de la paja del cereal. [The microbial biomass as the agent of transformation of soil nitrogen after the incorporation of cereal straw.] PhD thesis, University of Madrid, Spain. (1990)
Ocio, J. A.
Soil microbial biomass measurements in sieved and unsieved soil. (1990)
Ocio, J. A., Brookes, Philip
An evaluation of methods for measuring the microbial biomass in soils following recent additions of wheat straw and the characterisation of the biomass that develops. (1990)
Ocio, J. A., Brookes, Philip
Kriging: a method of interpolation for geographical information systems. (1990)
Oliver, M. A., Webster, Richard
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Sward composition, animal performance and the potential production of grass/white clover swards continuously stocked with sheep. (1990)
Orr, Robert, Parsons, A. J., Penning, P. D., Treacher, T. T.
Intakes of silages, hays or straws by ewes in mid pregnancy. (1990)
Orr, Robert, Treacher, T. T.
The performance of ewes offered diets containing different proportions of perennial ryegrass and white clover silage in late pregnancy. (1990)
Orr, Robert, Treacher, T. T.
Reducing gaseous losses of nitrogen from cattle slurry applied to grassland by the use of additives. (1990)
Pain, B. F., Thompson, R. B., Rees, Y. J., Skinner, J. H.
Parasitism of cowpea by Striga gesnerioides: variation in virulence and discovery of a new source of host resistance. (1990)
Parker, C., Polniaszek, T. I.
Seasonal changes of soil microbial biomass in an arable and a grassland soil which have been under uniform management for many years. (1990)
Patra, D. D., Brookes, Philip, Coleman, Kevin, Jenkinson, David
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The stimulation of CAM activity in Mesembryanthemum crystallinum in nitrate and phosphate-deficient conditions. (1990)
Paul, Matthew, Cockburn, W.
Photosynthesis and carbohydrate accumulation in relation to temperature and Pi. (1990)
Paul, Matthew, Lawlor, David
Temperature effects on source and sinks: assimilate export, carbohydrate accumulation and photosynthesis. (1990)
Paul, Matthew, Lawlor, David
The effect of temperature on photosynthesis and carbon fluxes in sunflower and rape. (1990)
Paul, Matthew, Lawlor, David, Driscoll, S. P.
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The incidence of Polymyxa betae and other fungal root parasites of sugar-beet in Britain. (1990)
Payne, P. A., Asher, M. J. C.
Hymexazol treatment of sugar-beet seed to control seedling disease caused by Pythium spp. and Aphanaomyces cochlioides . (1990)
Payne, P. A., Williams, G. E.
A remark on algorithm AS 65: interpreting structure formulae. (1990)
Payne, Roger
A remark on algorithm AS 65: interpreting structure formulae. (1990)
Payne, Roger
A comparison of algorithms for combination of information in generally balanced designs. (1990)
Payne, Roger, Welham, Sue
Studies on the genetic basis of resistance to potato leaf roll virus, potato virus Y and potato virus X in Solanum brevidens using somatic hybrids of Solanum brevidens and Solanum tuberosum. (1990)
Pehu, E., Gibson, R. W., Jones, M. G. K., Karp, Angela
Application of linkage group specific RFLPs to study assymetric hybrids of S. tuberosum and S. brevidens. (1990)
Pehu, E., Malone, R., Karp, Angela, Jones, M. G. K.
Variation in net photosynthesis, Rubisco activity and chloroplast ultrastructure among somatic hybrids of Solanum tuberosum and S. brevidens. (1990)
Pehu, E., Nurmi, A., Parry, Martin
Species-specific sequences in the genus solanum - identification, characterization, and application to study somatic hybrids of solanum-brevidens and solanum-tuberosum. (1990)
Pehu, E., Thomas, M., Poutala, T., Karp, Angela, Jones, M. G. K.
Moulting of Apelenchoides hamatus. (1990)
Perry, Roland, Wright, K. A.
Quantifying motivation using a computer-controlled push-door. (1990)
Petherick, J. C., Rutter, S. M.
Measuring the motivation of domestic fowl in response to a positive and a negative reinforcer. (1990)
Petherick, J. C., Sutherland, R. H., Waddington, D., Rutter, S. M.
Connecting the sow diet to reproductive performance: A mathematical model of sow metabolism. (1990)
Pettigrew, J. E., Gill, M., France, J., Close, W. H.
Studies on reducing the odour and ammonia emissions during and after the land spreading of animal slurries. (1990)
Phillips, V. R., Pain, B. F., Clarkson, C. R., Klarenbeek, J. V.
Chemical ecology and pest management: some recent insights. (1990)
Pickett, John, Wadhams, L. J., Woodcock, Christine
PQQ in plants. (1990)
Pierpoint, W. S.
The presence of a thaumatin-like protein, a chitinase and a glucanase among the pathogenesis-related proteins of potato (Solanum tuberosum). (1990)
Pierpoint, W. S., Jackson, P. J., Evans, R. M.
Flavonoids in human food and animal feedstuffs : amounts and consequences. (1990)
Pierpoint, William Stanley
Jean Brachet, 19 March 1909-10 August 1988. (1990)
Pirie, Norman Wingate (Bill)
Leaf protein : production and use. (1990)
Pirie, Norman Wingate (Bill)
Notes from Institute of Arable Crops Research/Rothamsted Experimental Station. (1990)
Plumb, Roger
The epidemiology of barley yellow dwarf in Europe. (1990)
Plumb, Roger
New methods in diagnosis as aids to crop protection. (1990)
Plumb, Roger, Ball, S. F. L.
The epidemiology and prospects for control of barley yellow dwarf virus in autumn. (1990)
Plumb, Roger, Carter, N., Tatchell, Mark
Storage root quality in sugarbeet in relation to nitrogen uptake. (1990)
Pocock, T. O., Milford, G. F. J., Armstrong, M. J.
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Characterization of Cl- transport in vauolar membrane vesicles using a Cl- sensitive fluorescent probe: reaction kinetic models for voltage and concentration-dependence of Cl- flux. (1990)
Pope, A. J., Jennings, I. R., Sanders, D., Leigh, Roger
Evaluation of the benfit of substituting foliar urea for soil-applied nitrogen for winter wheat. (1990)
Poulton, Paul, Vaidyanathan, L. V., Powlson, David, Jenkinson, David
Application of species specific repetitive DNA sequences to study nuclear hybridity of somatic fusion products at the callus level. (1990)
Poutala, R. T., Jones, M. G. K., Malone, R., Thomas, M., Pehu, E.
Some aspects of root growth in compacted soils. (1990)
Powell, B. A.
Conservation and manipulation of aphid parasitoids. (1990)
Powell, W., Budenberg, W. J., Decker, U. M., Wright, A. F.
Recent advances in the use of isotopes in organic matter studies. (1990)
Powlson, David
Straw Incorporation - Nitrate implications. (1990)
Powlson, David
Quantifying inputs of non-fertiliser nitrogen into an agro-ecosystem. (1990)
Powlson, David, Jenkinson, David
Expression of wheat gluten protein in yeast. PhD thesis, University of Kent. (1990)
Pratt, K. A.
Toxins and straw residues. (1990)
Prew, R. D., Bacon, E. T. G.
Agronomic aspects of straw incorporation. (1990)
Prew, R. D., Cussans, G. W., Glen, D. M., Jenkyn, John
Agronomic aspects of straw incorporation. (1990)
Prew, R. D., Cussans, G. W., Glen, D. M., Jenkyn, John
Progress in seed quality and seed treatments. (1990)
Prince, J., Durrant, M.
Monoclonal antibody-based enzyme linked immunosorbent assay of aflatoxin Bsubscrip1, T-2 toxin, and ochratoxin A in barley. (1990)
Ramakrishna, N., Lacey, J., Candlish, A. A. G., Smith, J. E., Goodbrand, I. A.
Pests, diseases and effects of crop protection on single- and double-low winter rape. (1990)
Rawlinson, C. J., Williams, I. H.
Development and control of black dot (Colletotrichum coccodes ). (1990)
Read, P. J.
Delayed emergence in Chloroclystis v-ata Haworth (V-pug) (Lep.: Geometridae). (1990)
Riley, Adrian
New Lepidoptera for Guernsey. (1990)
Riley, Adrian
Parascotia fuliginaria L. (Lep.: Noctuidae), Waved Black, in Shropshire. (1990)
Riley, Adrian
Possible overwintering in Britain of Autographa gamma Linn. (Lep.: Noctuidae), the Silver Y. (1990)
Riley, Adrian
Recent records of Eupithecia abietaria Goeze (Lep.: Geometridae), the Cloaked Pug, from Rothamsted Insect Survey light traps. (1990)
Riley, Adrian
Second brood records of Lacanobia thalassina Hufn. (Lep.: Noctuidae), the Pate-shouldered Brocade, from Rothamsted Insect Survey light traps. (1990)
Riley, Adrian
Unusual flight times of Eupithecia tripunctaria H.-S., Operophtera brumata L. and Colostygia multistrigaria L. (Lep.: Geometridae) in Rothamsted Insect Survey light traps. (1990)
Riley, Adrian
Unusual pupation site for Cerura vinula Linnaeus (Lep.: Notodontidae), the Puss Moth. (1990)
Riley, Adrian
A somatic mosaic of Cosmia trapezina Linnaeus (Lep.: Noctuidae), the Dun Bar. (1990)
Riley, Adrian
A review of the phenology of Eupithecia tripunctaria Herrich-Schaffer, the White-spotted Pug (Lep.:Geometridae). (1990)
Riley, Adrian, Prior, G.
A review of the phenology of Eupithecia tripunctaria Herrich-Schaffer, the white-spotted pug (Lep.: Geometridae). (1990)
Riley, Adrian, Prior, G.
Pseudomonas syzygii , sp. nov., the cause of Sumatra disease of cloves. (1990)
Roberts, S. J., Eden-Green, S. J., Jones, P., Ambler, D. J.
The prediction of voluntary feed intake of cattle. (1990)
Rook, A. J.
Prediction of the voluntary intake of grass silages by beef cattle. 2. Principal component and ridge regression analyses. (1990)
Rook, A. J., Dhanoa, M. S., Gill, M.
Factors affecting yields of milk constituents in dairy cows. (1990)
Rook, A. J., Sutton, J. D., France, J.
Estimation problems of non-linear functional relationships. (1990)
Ross, G. J. S.
Incomplete variance functions. (1990)
Ross, G. J. S.
The cotton-whitefly field control simulator: laboratory apparatus for evaluating insecticides and resistance management strategies under simulated field conditions. (1990)
Rowland, M. W., Hackett, B., Stribley, M. F., Sawicki, R. M.
PlotOp - A system for the analysis of operant behaviour. (1990)
Rutter, S. M.
Statistical software reviews: Statistical Navigator. (1990)
Ryder, K.
Surface heterogeneity in Osorno soil. (1990)
Salazar, I., Escudey, M., Goulding, Keith
Cytosolic free calcium homeostasis in plants. (1990)
Sanders, D., Miller, Tony, Blackford, S., Brosnan, J. M., Johannes, E.
Modelling potassium uptake by wheat (Triticum aestivum) crops. (1990)
Seward, P., Barraclough, P. B., Gregory, P. J.
Dry matter yield and response to nitrogen of an Agrostis stolonifera dominant sward. (1990)
Sheldrick, R. D., Lavender, R. H., Martyn, T. M.
The host range of isolates of downy mildew, Peronospora parasitica, from brassica crop species. (1990)
Sherriff, C., Lucas, J. A.
The prolamin storage proteins of cereal seeds: structure and evolution. (1990)
Shewry, Peter, Tatham, A. S.
On correcting for the non-ideal behaviour of the fluid-phase marker when determining digesta flow by continuous marker infusion. (1990)
Siddons, R. C., France, J.
The use of ELISA for detecting viruses in sugar beet and aphids. (1990)
Smith, H. G.
The effects of yellowing viruses on yield of sugar beet in field trials, 1985 and 1987. (1990)
Smith, H. G., Hallsworth, P. B.
Variation in resistance frequencies of Myzus persicae on sugar beet - implications for control. (1990)
Smith, S. D. J., Devonshire, A. L.
Resistance of Myzus persicae to insecticides applied to sugar beet. (1990)
Smith, S. D. J., Dewar, A. M., Devonshire, A. L.
Monitoring insecticide resistance in Myzus persicae. (1990)
Smith, S. D. J., Field, Lin, Devonshire, A. L.
The spread of the resistant aphid. (1990)
Smith, S. D. J., Furk, C.
The effect of a plant-derived antifeedant on Tetranychus urticae$% and Phytoseiulus persimilis: a "first look". (1990)
Sopp, P. I., Palmer, A., Pickett, John
Slot-seeding investigations 7. The effects of two grass-suppressants on the growth of white clover introduced into permanent pasture. (1990)
Standell, C. J.
Do vesicular-arbuscular mycorrhizal fungi have a role in plant husbandry? (1990)
Stribley, D. P.
Mycorrhizal associations and their significance. (1990)
Stribley, D. P.
Mapping seed storage protein loci Sec-1 and Sec-2 in relation to five chromosomal rearrangements in rye (Secale cereale L.). (1990)
Sybenga, J., Parmar, Saroj, Van Eden, J., Shewry, Peter
Aphids - the flying menace of agriculture. (1990)
Tatchell, Mark
Vector aphid dynamics and BYD epidemiology. (1990)
Tatchell, Mark
Host plant selection by migrant Rhopalosiphum padi in autumn and the occurrence of an intermediate morph. (1990)
Tatchell, Mark, Parker, S. J.
Conformational studies of synthetic peptides corresponding to the repetitive regions of the high molecular weight (HMW) glutenin subunits of wheat. (1990)
Tatham, A. S., Drake, A. F., Shewry, Peter
Conformational studies of peptides corresponding to the coeliac-activating regions of wheat alpha-gliadin. (1990)
Tatham, A. S., Marsh, M. N., Wieser, H., Shewry, Peter
How to Obtain the Status of a Farm Experiment. (1990)
Thomas, C. F.
A Recorders Guide to the Farm Management System. (1990)
Thomas, C. F.
Submitting a Proposal for a Farm Experiment. (1990)
Thomas, C. F.
Some recent advances in plant hormone research. (1990)
Thomas, T. H.
Broom's Barn - a research centre for tomorrow's sugar beet crop. (1990)
Thomas, T. H., Cooke, D. A.
The significance of gaseous losses of nitrogen from livestock slurries applied to land. (1990)
Thompson, R. B., Pain, B. F.
Ammonia volatilization from cattle slurry following surface application to grassland. II. Influence of application rate, wind speed and applying slurry in narrow bands. (1990)
Thompson, R. B., Pain, B. F., Rees, Y. J.
Rothamsted farmland light trap network ; interesting Lepidoptera records for May 1990. (1990)
Townsend, M. C., Riley, Adrian
Uptake, translocation and phytotoxicity of imazapyr and glyphosate in Imperata cylindrica (L.) Raeuschel:- effect of herbicide concentration, position of deposit and two methods of direct contact application. (1990)
Townson, J. K., Butler, R.
Solute transport in the vadose zone: a review of models. (1990)
Vachaud, G., Vauclin, M., Addiscott, Tom
Resistance in Solanum brevidens to potato virus Y and potato virus X is associated with slow cell-to-cell spread. (1990)
Valkonen, J. P. T., Pehu, E., Jones, M. G. K., Gibson, R. W.
User Guide: Rothamsted C.O.S.H.H. System. (1990)
Verrier, J. D.
A comparison of kriging, cubic splines and classification for predicting soil properties from sample information. (1990)
Voltz, M., Webster, Richard
The use of coupled gas chromatography: electrophysiological techniques in the identification of insect pheromones. (1990)
Wadhams, L. J.
Enzymes of leucine, valine and isoleucine biosynthesis. (1990)
Wallsgrove, R. M.
Electrophoretic 'keys' for the identification of parasitoids (Hymenoptera: Braconidae: Aphelinidae) attacking Sitobion avenae (F.) (Hemiptera: Aphididae). (1990)
Walton, M. P., Loxdale, H. D., Williams, L. A.
Electrophoresis as a tool for estimating levels of hymenopterous parasitism in field populations of the cereal aphid, Sitobion avenae . (1990)
Walton, M. P., Powell, W., Loxdale, H. D., Allen-Williams, L. J.
Abscisic acid may mediate the rapid thermal acclimatization of photosynthesis in wheat. (1990)
Ward, D. A., Lawlor, David
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Effects of the nematode Pratylenchus fallax on roots of oilseed rape (Brassica napus var. oleifera. (1990)
Webb, R. M.
Effects of the nematode Pratylenchus fallax on roots of oilseed rape (Brassica napus var. oleifera ). (1990)
Webb, R. M.
The assessment of methods for measuring and strategies for decreasing nitrate leached from arable land. (1990)
Webster, Colin, Goulding, Keith, Goss, M. J.
An editor's farewell. (1990)
Webster, Richard
Spatial averaging of solute and water flows in soil. (1990)
Webster, Richard, Addiscott, Tom
Statistical methods in soil and land resource survey. (1990)
Webster, Richard, Oliver, M. A.
Response of bromus secalinus and bromus sterilis to preemergence and postemergence herbicide treatments. (1990)
West, T. M.
Ammonia volatilization from 5 nitrogen-compounds used as fertilizers following surface application to soils. (1990)
Whitehead, D. C., Raistrick, N.
The polynuclear aromatic hydrocarbon (PAH) content of archived sewage sludges. (1990)
Wild, S. R., McGrath, Steve, Jones, K. C.
Organic contaminants in an agricultural soil with a known history of sewage sludge amendments: polynuclear aromatic hydrocarbons. (1990)
Wild, S. R., Waterhouse, K. S., McGrath, Steve, Jones, K. C.
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Entomophthorales in pest control. (1990)
Wilding, N.
The effect of introducing the aphid-pathogenic fungus Erynia neoaphidis into populations of cereal aphids. (1990)
Wilding, N., Mardell, S. K., Brobyn, P. J., Wratten, S. D., Lomas, J.
Efficient grassland utilization by conservation and grazing. (1990)
Wilkins, R. J.
Monitoring Dasineura brassicae by means of pheromone traps. (1990)
Williams, I. H.
Pollination requirements of linseed (Linum usitatissimum). (1990)
Williams, I. H., Martin, A. H., Clark, Suzanne
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Effect of pollination on flower, pod and seed production in white lupin (Lupinus albus). (1990)
Williams, I. H., Martin, A. P., Ferguson, A. W., Clark, Suzanne
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A bibliography of the parasitoids of the brassica pod midge (Dasineura brassicae Winn). (1990)
Williams, I. H., Walton, M.
The response of spring barley and winter wheat to Avena fatua population density. (1990)
Wilson, B. J., Cousens, R. D., Wright, K. J.
Predicting the growth and competitive effects of annual weeds in wheat. (1990)
Wilson, B. J., Wright, K. J.
Modelling the effects of polyphagous predators on the population dynamics of the grain aphid Sitobion avenae (F.). PhD thesis, University of Southampton. (1990)
Winder, L.
Predation of the cereal aphid Sitobion avenae by polyphagous predators on the ground. (1990)
Winder, L.
Report on the session 2: aphid monitoring systems. (1990)
Woiwod, Ian
Suction trapping networks in Europe: future directions. (1990)
Woiwod, Ian
Light Trap Newsletter. (1990)
Woiwod, Ian, Riley, Adrian, Parker, S. J., Wright, S. A., Alderson, Lynda, Townsend, M. C.
Interesting Lepidoptera records for April 1990. (1990)
Woiwod, Ian, Riley, Adrian, Townsend, M. C.
Interesting Lepidoptera records for April 1990. (1990)
Woiwod, Ian, Riley, Adrian, Townsend, M. C.
Butterflies and moths - migration in the agricultural environment. (1990)
Woiwod, Ian, Stewart, A. J. A.
Rothamsted Insect Survey: Twenty-first Annual Summary. (1990)
Woiwod, Ian, Tatchell, Mark, Dupuch, M. J., Parker, S. J., Riley, Adrian, Taylor, M. S.
Economic consequences of pesticide use for grain aphid control on winter wheat in 1984 in England. (1990)
Wratten, S. D., Watt, A. D., Carter, N., Entwhistle, J. C.
Measurement of soil microbial biomass C by fumigation-extraction - an automated procedure. (1990)
Wu, J., Pommerening, B., Chaussod, R., Brookes, Philip
Observations on some species of Longidorus (Nematoda: Longidoridae) from Jiangsu Province, China, with a description of Longidorus jiangsuensis n.sp. (1990)
Xu, J., Hooper, D. J.
Stable transformation of Solanum protoplasts by direct gene transfer. (1990)
Xu, Y-S., Jones, Huw, Jones, M. G. K.
Plant regeneration from protoplasts of wild Solanum species. (1990)
Xu, Y-S., Pehu, E., Dunckley, R., Jones, M. G. K.
Beef production from grass - white clover swards in the United Kingdom. (1990)
Young, N. E., Yarrow, N. H., Sheldrick, R. D., Johnson, R. H.
Nitrate accumulation by wheat (Triticum aestivum ) in relation to growth and tissue concentrations. (1990)
Zhen, R-G., Leigh, Roger
A simulation study of the population, damage and control of the rose grain aphid, Metopolophium dirhodum. (1990)
Zhou, X-L
A simulation study of aphid damage and control strategies in cereals. (1990)
Zhou, X-L, Carter, N.