Type

Number of items: 288.
  • Abstracts of Communications. Proceedings of the Twenty-Third Meeting of the AFRC Modellers' Group. (1993) UNSPECIFIED
  • Effects of seed advancement and sowing date on establishment, bolting and yield of sugar beet. (1993) Durrant, M. J., Mash, S. J., Jaggard, K. W. picture_as_pdf
  • Rothamsted and the correspondence of Sir John Lawes and Sir Henry Gilbert. (1993) Harcourt Williams, M.
  • Pesticide resistance. (1993) Hollomon, D. W.
  • A pheromone trap for dispersal of the pathogen Zoophthora radicans Brefeld (Zygomycetes: Entomophthorales) amongst populations of the Diamondback Moth, Plutella xylostella L. (Lepidoptera: Yponomeutidae). (1993) Pell, J. K., Macaulay, E. D. M., Wilding, N.
  • Selection of an isolate of Zoophthora radicans (Zygomycetes:Entomophthorales) for biocontrol of the diamondback moth Plutella xylostella (Lepidoptera:Yponomeutidae). (1993) Pell, J. K., Wilding, N., Player, A. L., Clark, Suzanne
  • Comparisons of granular pesticides for the control of soil-inhabiting arthropod pests of sugar beet. (1993) Winder, G. H., Dewar, A. M., Dunning, R. A.
  • The effect of cereal break crops on barley mild mosaic virus. (1993) Adams, Michael, Jones, D. R., O'Neill, T. M., Hill, S. A.
  • Helping farmers to help themselves. (1993) Addiscott, Tom
  • How high should low intensity be on the agenda? A view from Sweden. (1993) Addiscott, Tom
  • Simulation modelling and soil behaviour. (1993) Addiscott, Tom
  • The 'nitrate problem'. (1993) Addiscott, Tom
  • Long-term changes in the polychlorinated biphenyl content of United Kingdom soils. (1993) Alcock, R. E., Johnston, Johnny, McGrath, Steve, Berrow, M. L., Jones, K. C. picture_as_pdf
  • The cultural characteristics and serological relationships of isolates of Melissococcus pluton. (1993) Allen, M. F., Ball, B. V.
  • The susceptibility of roots to infection by an arbuscular mycorrhizal fungus in relation to age and phosphorus supply. (1993) Amijee, F., Stribley, D. P., Lane, P. W. picture_as_pdf
  • The development of endomycorrhizal root systems VIII. Effects of soil phosphorus and fungal colonization on the concentration of soluble carbohydrates in roots. (1993) Amijee, F., Stribley, D. P., Tinker, P. B. picture_as_pdf
  • Inoculation effects on legumes grown in soil previously treated with sewage sludge. (1993) Angle, J. S., McGrath, Steve, Chaudri, A. M., Chaney, R. L., Giller, K. E. picture_as_pdf
  • Interpretation of transformed axes in multivariate analysis. (1993) Arnold, G. M., Collins, A. J.
  • Rhizomania - the British experience. (1993) Asher, M. J. C.
  • The potential of carabid beetles to control slugs in grass/clover swards. (1993) Asteraki, E. J.
  • Rothamsted: 150 years of agricultural vision. (1993) Atkin, R. K.
  • 150 years of progress. (1993) Atkin, R. K., Stevenson, J. H.
  • Old and modern wheat cultivars compared on the Broadbalk wheat experiment. (1993) Austin, R. B., Ford, M. A., Morgan, C. L., Yeoman, D. P. picture_as_pdf
  • Cloning and sequence analysis of a cDNA for barley ferredoxin-dependent glutamate synthase and molecular analysis of photorespiratory mutants deficient in the enzyme. (1993) Avila, C., Marquez, A. J., Pajuelo, P., Cannell, M. E., Wallsgrove, R. M., Forde, Brian
  • The effect of ammonium-ions on membrane-potential and anion flux in roots of barley and tomato. (1993) Ayling, S. M.
  • Preliminary observations on the population development of anystid and free-living mesostigmatic mites in a cereal field in Southern England. (1993) Banhawy, E. L., Carter, N., Wynne, I. R.
  • Morphogenic cell and protoplast cultures of tritordeum. (1993) Barcelo, P., Lazzeri, P. A., Hernandez, P., Martin, A., Lorz, H.
  • Comment (invited contribution to Davies, L. and Gather, U. The identification of multiple outliers.). (1993) Barnett, V.
  • The effect of an artificial pitch surface on home team performance in football (soccer). (1993) Barnett, V., Hilditch, S.
  • Measuring sustainability. (1993) Barnett, V., Landau, S., Welham, Sue
  • The problem of outlier tests in sample surveys. (1993) Barnett, V., Roberts, D.
  • Nutrient storage pool concentrations in plants as diagnostic indicators of nutrient sufficiency. (1993) Barraclough, P. B.
  • SCI Agriculture and Environment Group Symposium: novel aspects of crop nutrition. (1993) Barraclough, P. B., Grindlay, D. J. C., Sylvester, B. R., Scott, R. K., Dampney, P. M. R., Wallace, P. A., Withers, P. J. A., Zhao, Fangjie, McGrath, Steve, Luong, H., Booth, E. J., Walker, K. C., Till, A. R., Sexton, J., Bennett, J., Reynolds, S. B., Hocking, T. J., Gooding, M. J., Smith, S. P., Davies, W. P, Spalding, P. C. J., Kettlewell, P. S., Warden, M. R., Johnson, P. A., Vaidyanathan, L. V., Lewis, D. J., Dawson, K. P., Cook, J. W., Parry, D. W., Whapham, C. A., Blunden, G., Jenkins, T., Hankins, S. D., Cogram, K. J., Steveni, C. M., Norrington-Davies, J., Chambers, B. J., Richardson, S. J., Dawson, C. J., Tye, A. M., Fullen, M. A., Daly, M., Seymour, G. B., Edwards, R., Hobson, G. E.
  • Critical plant K concentrations for growth and problems in the diagnosis of nutrient deficiencies by plant analysis. (1993) Barraclough, P. B., Leigh, Roger
  • Grass yield in relation to potassium supply and the concentration of cations in tissue water. (1993) Barraclough, P. B., Leigh, Roger picture_as_pdf
  • The responses of the cabbage seed weevil (Ceutorhynchus assimilis ) to the odour of oilseed rape (Brassica napus ) and to some volatile isothiocyanates. (1993) Bartlet, E., Blight, M. M., Hick, A. J., Williams, I. H.
  • Development of disease symptoms and fungal pathogens on shoot bases in continuous winter wheat, and effects of fungicides. (1993) Bateman, Geoff
  • Movement of nonionic organic chemicals in agricultural soils. (1993) Beck., A. J., Johnston, Johnny, Jones, K. C. picture_as_pdf
  • Tobacco plants transformed with cdc25, a mitotic inducer gene from fission yeast. (1993) Bell, M. H., Halford, Nigel, Ormrod, J. C., Francis, D.
  • Aldoxime-forming microsomal enzyme systems involved in the biosynthesis of glucosinolates in oilseed rape (Brassica napus ) leaves. (1993) Bennett, R., Donald, A., Dawson, G. W., Hick, A., Wallsgrove, R. M.
  • A behavioural and electrophysiological study of oviposition cues for Culex quinquefasciatus. (1993) Blackwell, A., Mordue (Luntz), A. J., Hansson, B. S., Wadhams, L. J., Pickett, John
  • Identification of the E3900 family, a second family of rye B chromosome specific repeated sequences. (1993) Blunden, R., Wilkes, T. J., Forster, J. W., Jimenez, M. M., Sandery, M. J., Karp, Angela, Jones, R. N.
  • Modelling the fate of nitrogen in crop and soil in the years following application of 15N-labelled fertilizer to winter wheat. (1993) Bradbury, N. J., Whitmore, Andy, Hart, P. B. S., Jenkinson, David
  • Phloem translocation of strong acids - glyphosate, substituted phosphonic and sulfonic acids - in Ricinus communis L. (1993) Bromilow, Richard, Chamberlain, Keith, Tench, A. J., Williams, R. H.
  • A problem with straw? (1993) Brookes, Philip, Powlson, David
  • Feed utilization by the dairy cow over multiple lactations: a review. (1993) Broster, W. H., Broster, V. J., Clements, A. J.
  • Insensitive acetylcholinesterase and esterase polymorphism in susceptible and resistant populations of the Tobacco Whitefly Bemisia tabaci (Genn.). (1993) Byrne, F. J., Devonshire, A. L.
  • Insecticide resistance in Bemisia tabaci : an international perspective. (1993) Cahill, M., Byrne, F., Birnie, L., Denholm, Ian, Devonshire, A. L.
  • Detection of resistance to buprofezin in the whitefly, Bemisia tabaci. (1993) Cahill, M., Denholm, Ian
  • Examination of energy utilisation in cattle offered a forage diet at near- and sub-maintenance levels of feeding. (1993) Cammell, S. B., Haines, M. J., Gill, M., Beever, D. E., Dhanoa, M. S., France, J. picture_as_pdf
  • Spring migration of damson-hop aphid, Phorodon humuli (Homoptera, Aphididae), and summer host plant-derived semiochemicals released on feeding. (1993) Campbell, C. A. M., Pettersson, J., Pickett, John, Wadhams, L. J., Woodcock, Christine
  • Taxonomy of the nematophagous fungi Verticillium chlamydosporium and V. suchlasporium based on secreted enzyme activities and RFLP analysis. (1993) Carder, J. H., Segers, R., Butt, Tariq, Barbara, D. J., Von Mende, N., Coosemans, J.
  • Field trials to study the within-season effects of pesticides on beneficial arthropods in cereals in summer. (1993) Carter, N.
  • Rothamsted Experimental Station - 150 years of agricultural research: the longest continuous scientific experiment? (1993) Catt, John, Henderson, I. F. picture_as_pdf
  • The use of a digoxigenin-labelled synthetic DNA oligonucleotide for the rapid and sensitive identification of Meloidogyne incognita. (1993) Chacon, M. R., Parkhouse, M., Burrows, P., Garate, T.
  • The phloem translocation of enantiomeric pairs of weak acids in Ricinus communis. (1993) Chamberlain, Keith, Bromilow, Richard, Evans, A. A.
  • Residual effects of zinc, copper, and nickel in sewage sludge on microbial biomass in a sandy loam. (1993) Chander, K., Brookes, Philip
  • Mineral status of British wheat. (1993) Chaudri, A. M., McGrath, Steve, Crosland, Adrian, Zhao, Fangjie
  • Screening of isolates and strains of Rhizobium leguminosarum biovar trifolii for heavy metal resistance using buffered media. (1993) Chaudri, A. M., McGrath, Steve, Giller, K. E., Angle, J. S., Chaney, R. L. picture_as_pdf
  • Enumeration of indigenous Rhizobium leguminosarum biovar trifolii in soils previously treated with metal-contaminated sewage sludge. (1993) Chaudri, A. M., McGrath, Steve, Giller, K. E., Rietz, E., Sauerbeck, D.
  • A possible mechanism for the antiviral activity of pokeweed antiviral protein. (1993) Chen, Z-C., Antoniw, John, White, R. F.
  • Expression of pokeweed (Phytolacca americana) antiviral protein cDNA in Escherichia coli and its antiviral activity. (1993) Chen, Z-C., Antoniw, John, Lin, Q., White, R. F.
  • Miscanthus - fuel crop for the future? (1993) Christian, D. G.
  • Handling hierarchical data. (1993) Church, B. M.
  • Characterization of the extracellular matrix produced in vitro by urediniospores and sporelings of Uromyces viciae-fabae. (1993) Clement, J. A., Butt, Tariq, Beckett, A.
  • Germination and the role of extracellular matrix in adhesion of urediniospores of Uromyces viciae-fabae. (1993) Clement, J. A., Martin, S. G., Porter, S. G., Butt, Tariq, Beckett, A.
  • Bicropping wheat with clover. (1993) Clements, R. O., Asteraki, E. J.
  • Growing cereals in clover. (1993) Clements, R. O., Asteraki, E. J., Kendall, D.
  • Monoclonal antibodies to purified cutinase from Fusarium solani f.sp.pisi. (1993) Coleman, J. O. D., Hiscock, S. J., Dewey, F. M.
  • The role of maize in the epidemiology of barley yellow dwarf virus in Northeast Spain. (1993) Comas, J., Pons, X., Albajes, R., Plumb, Roger
  • A comparison of the influence of sterols on the specific activity of the h+-atpases in isolated plasma-membrane vesicles from oat, rye and rice shoots. (1993) Cooke, D. T., Ros, R., Burden, R. S., James, C. S.
  • Thera cognata Thunberg, the Chestnut Carpet (Lep.: Geometridae), new to Yorkshire. (1993) Corkhill, P., Riley, Adrian
  • Evidence for glycosaminoglycans as a major component of trail mucus from the terrestrial slug Arion ater L. (1993) Cottrell, J. M., Henderson, I. F., Pickett, John, Wright, D. J.
  • Contributions of biometrics to the developing world. (1993) Darmi, M., Poultney, R. F. A.
  • Spatial and temporal patterns of B Hordein synthesis in developing barley (Hordeum vulgare L.) caryopses. (1993) Davies, J. T., Shewry, Peter, Harris, N. picture_as_pdf
  • Carbohydrate/protein interactions between the cuticle of infective juveniles of Meloidogyne incognita and spores of the obligate hyperparasite Pasteuria penetrans. (1993) Davies, K. G., Danks, C.
  • Chemical precursors for studying the effects of glucosinolate catabolites on diseases and pests of oilseed rape (Brassica napus ) or related plants. (1993) Dawson, G. W., Doughty, K. J., Hick, A. J., Pickett, John, Pye, B. J., Smart, Lesley, Wadhams, L. J.
  • Synthesis of glucosinolate precursors and investigations into the biosynthesis of phenylalkyl- and methylthioalkylglucosinolates. (1993) Dawson, G. W., Hick, A. J., Bennett, R. N., Donald, A., Pickett, John, Wallsgrove, R. M.
  • Effect of watering on the distribution of Verticillium chlamydosporium in soil and the colonisation of egg masses of Meloidogyne incognita by the fungus. (1993) De Leij, F. A. A. M., Dennehy, J. A., Kerry, B. R.
  • Verticillium chlamydosporium as a biological control agent for Meloidogyne incognita and M. hapla in pot and micro-plot tests. (1993) De Leij, F. A. A. M., Dennehy, J. A., Kerry, B. R.
  • Sex pheromones in the cereal aphid parasitoids Praon volucre and Aphidius rhopalosiphi. (1993) Decker, U. M., Powell, W., Clark, Suzanne
  • Photosynthesis, ribulose 1,5-bisphosphate carboxylase, and leaf characteristics of N. tabacum L. genotypes selected by survival at low CO2 concentrations. (1993) Delgado, E., Parry, Martin, Lawlor, David, Keys, A. J., Medrano., H. picture_as_pdf
  • The microimmersion bioassay: a novel method for the topical application of pesticides to spider mites. (1993) Dennehy, T. J., Farnham, A. W., Denholm, Ian
  • The increasing menace of leatherjackets, wireworms and slugs in sugar beet. (1993) Dewar, A. M.
  • A review of virus yellows incidence in the UK in 1992. (1993) Dewar, A. M.
  • The stage is set for virus yellows epidemic. (1993) Dewar, A. M.
  • Profile on imidacloprid - another new seed treatment for sugar beet pest control. (1993) Dewar, A. M., Read, L. A., Prince, J., Ecclestone, P.
  • Pest and disease review of 1992. (1993) Dewar, A., Asher, M.
  • Parameter estimation and hypothesis testing for Ades distributions applied to tsetsefly data. (1993) Duchateau, L., Ross, G. J. S., Perry, J. N.
  • Changes in the relative proportions of the two species of potato cyst nematodes in microplots in which different potato clones were grown for seven years. (1993) Evans, K.
  • New approaches for potato cyst nematode management. (1993) Evans, K.
  • The Heteroderidae: part of the 6th International Training Course on the Identification of Plant Nematodes of Economic Importance. (1993) Evans, K., Rowe, J. A.
  • Protein extraction, separation and visualisation from cyst nematode tissue: part of the 6th International Training Course on the Identification of Plant Nematodes of Economic Importance. (1993) Evans, K., Rowe, J. A., Russell, M. D.
  • The population dynamics in microplots of brassica and beet cyst nematodes in rotations which include oilseed rape. (1993) Evans, K., Russell, M. D.
  • Nitrogen catch crops and sugar beet - the inside story. (1993) F., Allison, Brown, S., Pilbrow, J.
  • Dispersal of the entomopathogen Hirsutella cryptosclerotium by simulated rain. (1993) Fernandez-Garcia, E., Fitt, Bruce
  • Cloning and analysis of the esterase genes conferring insecticide resistance in the peach-potato aphid Myzus persicae (Sulzer). (1993) Field, Lin, Williamson, Martin, Moores, G. D., Devonshire, A. L.
  • Effects of fungal diseases on linseed (Linum usitatissimum ) growth and yield, 1988-1990. (1993) Fitt, Bruce, Ferguson, A. W. picture_as_pdf
  • Effects of temperature on BYDV concentration in oat plants and virus purification efficiency, and detection of a putative associated satellite virus. (1993) Forde, S. M. D.
  • Analysis of two rubisco-deficient tobacco mutants, H7 and Sp5; evidence for the production of rubisco large subunits in the Sp25 mutant that form clusters and are inactive. (1993) Foyer, C. H., Nurmi, A., Dulieu, H., Parry, Martin
  • Compartmental schemes for estimating methanogenesis in ruminants from isotope dilution data. (1993) France, J., Beever, D. E., Siddons, R. C.
  • A model to interpret gas accumulation profiles associated with in vitro degradation of ruminal feeds. (1993) France, J., Dhanoa, M. S., Theodorou, M. K., Lister, S. J., Davies, D. R., Isac, D.
  • On incorporating diffusion and viscosity concepts into compartmental models for analysing faecal excretion patterns in ruminants. (1993) France, J., Thornley, J. H. M., Siddons, R. C., Dhanoa, M. S. picture_as_pdf
  • Performance of British Saanen, Boer x British Saanen and Anglo-Nubian castrated male kids from 8 weeks to slaughter at 28, 33 or 38 kg live weight. (1993) Gibb, M. J., Cook, J. E., Treacher, T. T. picture_as_pdf
  • A note on the estimation of the body fat, protein and energy content of lactating Holstein-Friesian cows by measurement of condition score and live weight. (1993) Gibb, M. J., Ivings, W. E.
  • Rhizobium meliloti, is less sensitive to heavy metal contamination in soil than R. leguminosarum bv trifolii or R. loti. (1993) Giller, K. E., Nussbaum, R., Chaudri, A. M., McGrath, Steve
  • Crop monitoring to assess the risk of slug damage to winter wheat in the United Kingdom. (1993) Glen, D. M., Spaull, A. M., Mowat, D. J., Green, D. B., Jackson, A. W.
  • Chaos, metapopulations and dispersal. (1993) Gonzalez-Andujar, J. L., Perry, J. N.
  • The effect of dispersal between chaotic and non-chaotic populations within a metapopulation. (1993) Gonzalez-Andujar, J. L., Perry, J. N.
  • Losses of nitrate-nitrogen in water draining from under autumn-sown crops established by direct drilling or mouldboard ploughing. (1993) Goss, M. J., Howse, K. R., Lane, P. W., Christian, D. G., Harris, G. L.
  • Denitrification losses of nitrogen fertilizer applied to winter wheat following ley and arable rotations as estimated by acetylene inhibition and 15N balance. (1993) Goulding, Keith, Webster, Colin, Powlson, David, Poulton, Paul picture_as_pdf
  • Specificity of sex pheromones, the role of host plant odour in the olfactory attraction of males, and mate recognition in the aphid Cryptomyzus. (1993) Guldemond, J. A., Dixon, A. F. G., Pickett, John, Wadhams, L. J., Woodcock, Christine
  • Take-all in autumn-sown wheat, barley, triticale and rye grown with high and low inputs. (1993) Gutteridge, R. J., Hornby, D., Hollins, T, Prew, R. D.
  • An amended functional leaching model applicable to structured soils. I. Model description. (1993) Hall, D. G. M.
  • An amended functional leaching model applicable to structured soils. II. Model application. (1993) Hall, D. G. M., Webster, Colin
  • Plant cytochrome P-450 and agricultural biotechnology. (1993) Hallahan, D. L., Cheriton, A. K., Hyde, R., Clark, Ian, Forde, Brian picture_as_pdf
  • Mean-related stochasticity and population variability. (1993) Hanski, I., Woiwod, Ian
  • Spatial synchrony in the dynamics of moth and aphid populations. (1993) Hanski, I., Woiwod, Ian
  • Density dependence, population persistence, and largely futile arguments. (1993) Hanski, I., Woiwod, Ian, Perry, J. N. picture_as_pdf
  • Effects of moling and cultivation on soil-water and runoff from a drained clay soil. (1993) Harris, G. L., Howse, K. R., Pepper, T. J.
  • The availability of the nitrogen in the crop residues of winter wheat to subsequent crops. (1993) Hart, P. B. S., Powlson, David, Poulton, Paul, Johnston, Johnny, Jenkinson, David picture_as_pdf
  • Grass: the right environment. (1993) Hatch, D. J.
  • Long-term change in the biogeochemical cycling of atmospheric selenium: deposition to plants and soil. (1993) Haygarth, Philip, Cooke, A. I., Jones, K. C., Harrison, A. F., Johnston, Johnny picture_as_pdf
  • Geographical and seasonal variation in deposition of selenium to vegetation. (1993) Haygarth, Philip, Harrison, A. F., Jones, K. C.
  • Comparison of instrumental methods for the determination of total selenium in environmental samples. (1993) Haygarth, Philip, Rowland, A. P., Sturup, S., Jones, K. C.
  • 12 potato disease cycles (pictures produced from slides). (1993) Hide, G. A., Adams, Michael, Lapwood, D. H., Read, P. J., Castle, L. M.
  • Development of resistance to thiabendazole in Helminthosporium solani (silver scurf) as a result of potato seed tuber treatment. (1993) Hide, G. A., Hall, S. M.
  • Heavy metals from past applications of sewage sludge decrease the genetic diversity of Rhizobium leguminosarum biovar Trifolii populations. (1993) Hirsch, Penny, Jones, M. J., McGrath, Steve, Giller, K. E.
  • The relationship between primary parasitoids and hyperparasitoids of cereal aphids: an analysis of field data. (1993) Holler, C., Borgemeister, C. W., Haardt, H., Powell, W.
  • Distribution of diploid and tetraploid Lotus pedunculatus plants in moist, North Island hill country. (1993) Hopkins, A., Scott, A. G., Costall, D. A., Lambert, M. G., Campbell, B. D.
  • Management of genetics of biological control introductions. (1993) Hopper, K. R., Roush, R. T., Powell, W.
  • Field tests of bacteria and soil-applied fungicides as control agents for take-all in winter wheat. (1993) Hornby, D., Bateman, Geoff, Payne, Roger, Brown, M. E., Henden, D. R., Campbell, R.
  • A monoclonal antibody, JIM 84, recognizes the Golgi apparatus and plasma membrane in plant cells. (1993) Horsley, D., Coleman, J., Evans, D., Crooks, K., Peart, J., Satiat-Jeunemaitre, B., Hawes, C.
  • The use of multiple regression via principal components in forecasting early season aphid (Homoptera: Aphididae) flight. (1993) Howling, G. G., Harrington, Richard, Clark, Suzanne, Bale, J. S.
  • Long-term effects of nitrogen fertilisation on methane oxidation in soil of the Broadbalk wheat experiment. (1993) Hutsch, B. W., Webster, Colin, Powlson, David
  • Desiccation survival of the rice stem nematode, Ditylenchus augustus. (1993) Ibrahim, S. K., Perry, Roland
  • Use of esterase patterns of females and galled roots for the identification of species of Meloidogyne. (1993) Ibrahim, S. K., Perry, Roland
  • Hatching behaviour of the rice cyst nematodes Heterodera sacchari and H. oryzicola in relation to age of host plant. (1993) Ibrahim, S. K., Perry, Roland, Plowright, R. A., Rowe, J.
  • White leaf spot (Mycosphaerella capsellae ) on oilseed rape in the UK. (1993) Inman, A. J., Fitt, Bruce, Evans, R. L.
  • Behavioural responses of Aphis fabae to isothiocyanates in the laboratory and field. (1993) Isaacs, R., Hardie, J., Hick, A. J., Pye, B. J., Smart, Lesley, Wadhams, L. J., Woodcock, Christine
  • Relationships between velocity of ultrasound in live lactating dairy cows and some post-slaughter measurements of body composition. (1993) Ivings, W. E., Gibb, M. J., Dhanoa, M. S., Fisher, A. V. picture_as_pdf
  • Extreme phosphate deficiency decreases the In vivo CO2/O2 specificity factor of ribulose 1,5-Bisphosphate carboxylase-oxygenase in intact leaves of sunflower. (1993) Jacob, J., Lawlor, David
  • In vivo photosynthetic electron transport does not limit photosynthetic capacity in phosphate-deficient sunflower and maize leaves. (1993) Jacob, J., Lawlor, David picture_as_pdf
  • Are big crop yields equivalent to big profits? (1993) Jaggard, K. W.
  • Catch cropping before beet - the practicalities. (1993) Jaggard, K. W., Armstrong, M. J.
  • Nitrogen cycling and losses from dairy farms. (1993) Jarvis, S. C.
  • Progress in grassland nitrogen management. (1993) Jarvis, S. C., Dampney, Peter
  • Changes in the ultrastructure of the cuticle of the potato cyst nematode, Globodera rostochiensis, during development and infection. (1993) Jones, J. T., Perry, Roland, Johnston, M. R. L.
  • EC support for research on coconut lethal disease in Africa. (1993) Jones, P.
  • Overcoming coconut lethal diseases. (1993) Jones, P.
  • Seed yield and yield stability of determinate and indeterminate autumn-sown white lupins (Lupinus albus) grown at different locations in France and the UK. (1993) Julier, B., Huyghe, C., Papineau, J., Milford, G. F. J., Day, J. M., Billot, C., Mangin, P. picture_as_pdf
  • Phytophthora cryptogea root rot of tomato in rockwool nutrient culture: III. Effect of root zone temperature on growth and yield of winter-grown plants. (1993) Kennedy, R., Pegg, G. F., Welham, Sue
  • Growth and survival of Verticillium chlamydosporium Goddard, a parasite of nematodes, in soil. (1993) Kerry, B. R., Kirkwood, I. A., De Leij, F. A. A. M., Barba, J., Leijdens, M. B., Brookes, Philip
  • Species diversity in wetland hay meadows - the significance of cutting date. (1993) Kirkham, F. W.
  • Seasonal fluctuations in the mineral content of an undrained wetland peat soil following differing rates of fertiliser nitrogen application. (1993) Kirkham, F. W., Wilkins, R. J.
  • A comparison of methods for use in the measurement of ammonia emissions following the application of livestock wastes to land. (1993) Klarenbeek, J. V., Pain, B. F., Phillips, V. R., Lockyer, D. R.
  • Sensitivity analyses of the ARCWHEAT1 crop model: the effect of changes in radiation and temperature. (1993) Kocabas, Z., Mitchell, Rowan, Craigon, J., Perry, Joe N. picture_as_pdf
  • The biochemical-mode of action of some newer azole fungicides. (1993) Kwok, I. M. Y., Loeffler, R. T.
  • Resistance of cowpea [Vigna unguiculata (l.) Walp.] to Striga gesnerioides (Willd.) Vatke, a parasitic angiosperm. (1993) Lane, J. A., Bailey, J. A., Butler, R. C., Terry, P. J.
  • Genstat news. (1993) Lane, P. W.
  • Facility for studying the effects of elevated carbon dioxide concentration and increased temperature on crops. (1993) Lawlor, David, Mitchell, Rowan, Franklin, J. F., Mitchell, Valerie, Driscoll, S. P., Delgado, E.
  • Effects of ethephon pre-treatment on the response of Elymus repens to fluazifop-butyl. (1993) Lawrie, J., Clay, D. V.
  • Responses of Rhododendron ponticum to imazapyr applied on different dates. (1993) Lawrie, J., Clay, D. V.
  • Effects of herbicide mixtures and additives on Rhododendron ponticum. (1993) Lawrie, J., Clay, V.
  • A comparison of the output from permanent swards containing clover or receiving nitrogen-fertilizer when continuously grazed by ewes and lambs. (1993) Laws, J. A.
  • Rothamsted Experimental Station: 150 years of agricultural research. (1993) Leigh, Roger, Stevenson, J. H.
  • Intercellular compartmentation of ions in barley leaves in relation to potassium nutrition and salinity. (1993) Leigh, Roger, Storey, R.
  • Ion distribution in cereal leaves: pathways and mechanisms. (1993) Leigh, Roger, Tomos, A. D.
  • The contribution of Rothamsted to British entomology. (1993) Lewis, Trevor, Imms, Augustus
  • The structure of dry mycelia of the entomophthoralean fungi Zoophthora radicans and Erynia neoaphidis following different preparatory treatments. (1993) Li, Z., Butt, Tariq, Beckett, A., Wilding, N.
  • 20 years of weed beet. (1993) Longden, P.
  • Weed beet - the situation after 20 years. (1993) Longden, P.
  • Unkrautruben durch Schosserbekampfung vorbeugen. (1993) Longden, P. C.
  • Weed beet resurgence in 1993: the bolters return. (1993) Longden, P. C.
  • Redescription of Seinura demani (T. Goodey, 1928) J. B. Goodey, 1960 (Nematoda : Seinuridae) and designation of a neotype. (1993) Loof, P. A. A., Hooper, D. J.
  • The relative importance of short- and long-range movement of flying aphids. (1993) Loxdale, H. D., Hardie, J., Halbert, S., Foottit, R., Kidd, N. A. C., Carter, C. I.
  • The need for weed control in winter oilseed rape. (1993) Lutman, P. J. W.
  • Newly imported rieske iron-sulfur protein associates with both Cpn60 and Hsp70 in the chloroplast stroma. (1993) Madueno, F., Napier, Johnathan, Gray, J. C.
  • The transpiration stream - introduction. (1993) Mansfield, T. A., Davies, W. J., Leigh, Roger picture_as_pdf
  • Rhizobium meliloti mutants defective in symbiotic nitrogen fixation affect the oxygen gradient in alfalfa (Medicago sativa ) root nodules. (1993) Masepohl, B., Witty, J. F., Riedel, K. U., Klipp, W., Pozler, A.
  • Review: insect pheromones and other behaviour-modifying chemicals: applications and regulation. (1993) Matthew, Cahill, picture_as_pdf
  • Aerodynamic diameter of conidia of Alternaria species. (1993) McCartney, H. A., Schmechel, D., Lacey, M. E.
  • The determination of selenium in sediments using hydride generation ICP-MS. (1993) McCurdy, E. J., Lange, J. D., Haygarth, Philip
  • SCI Agriculture and Environment Group symposium: use and value of organic materials in agriculture. (1993) McGrath, Steve, Hall, J. E., Lopez-Real, J. M., Lee, H., Chambers, B. J., Smith, K., Stevens, R. J., Hadley, P., Smith, S., Pickering, J., Kendle, T., F., Allison, Johnston, Johnny, Prew, B. D.
  • An interlaboratory comparison of a standardised EDTA extraction procedure for the analysis of available trace elements in two quality control soils. (1993) McGrath, Steve, Lane, P. W., Crosland, Adrian picture_as_pdf
  • Sulphur uptake following foliar applications of elemental sulphur. (1993) McGrath, Steve, Till, A. R.
  • Sulphur status of British wheat grain and its relationship with quality parameters. (1993) McGrath, Steve, Zhao, Fangjie, Crosland, Adrian, Salmon, S. E.
  • The effect of modifying plant structure on the yield and maturity of the white lupin Lupinus albus. (1993) Milford, G. F. J., Day, J. M., Leach, J. E., Stevenson, H. J., Huyghe, C., Papineau, J.
  • Effects of agronomy and husbandry on glucosinolates of oilseed rape. (1993) Milford, G. F. J., Fieldsend, J. K., Evans, E. J., Bilsborrow, P. B.
  • Effects of previous crop, sowing date, and winter and spring applications of nitrogen on the growth, nitrogen uptake and yield of winter wheat. (1993) Milford, G. F. J., Penny, A., Prew, R. D., Darby, R. J., Todd, A. D. picture_as_pdf
  • Purification of an acid invertase from washed discs of storage roots of red beet (Beta vulgaris L.). (1993) Milling, R. J., Hall, J. L., Leigh, Roger
  • Synthesis of a vacuolar acid invertase in washed discs of storage root tissue of red beet (Beta vulgaris L.). (1993) Milling, R. J., Leigh, Roger, Hall, J. L.
  • Relationship between concentration and intensity of odours for pig slurry and broiler houses. (1993) Misselbrook, Tom, Clarkson, C. R., Pain, B. F. picture_as_pdf
  • Interaction of CO2 and temperature in the growth and yield of winter wheat: test of the ARCWHEAT model. (1993) Mitchell, Rowan, Lawlor, David, Porter, J. R. picture_as_pdf
  • Effects of increased CO2 concentration and temperature on growth and yield of winter wheat at two levels of nitrogen application. (1993) Mitchell, Rowan, Mitchell, Valerie, Driscoll, S. P., Franklin, J. F., Lawlor, David picture_as_pdf
  • Black-grass resistance: practical management. (1993) Moss, Stephen
  • Herbicide resistant weeds: a world-wide perspective. (1993) Moss, Stephen, Rubin, B. picture_as_pdf
  • Experimental assessment of the effects of nitrogen addition under hay-cutting and aftermath grazing on the vegetation of meadows on a Somerset peat moor. (1993) Mountford, J. O., Lakhani, K. H., Kirkham, F. W.
  • A sensitive DNA probe for the detection of Polymyxa betae in sugar beet roots. (1993) Mutasa-Göttgens, E. S., Ward, E., Adams, Michael, Collier, C. R., Chwarszczynska, D. M., Asher, M. J. C.
  • Are lateral roots of tomato spaced by multiples of a fundamental distance? (1993) Newson, R. B., Parker, J. S., Barlow, P. W.
  • Determinants of yield in white lupins. (1993) Ney, B., Milford, G. F. J., Day, J.
  • The effect of the previous crop on the growth, nitrogen uptake and yield of winter barley intended for malting. (1993) Norman L Carreck, Christian, D. G. picture_as_pdf
  • Hemibiotrophic infection of pisum-sativum by colletotrichum-truncatum. (1993) Oconnell, R. J., Uronu, A. B., Waksman, G., Nash, C., Keon, J. P. R., Bailey, J. A.
  • Organic manures and nitrate leaching. (1993) Pain, B. F., Smith, K. A.
  • Water stress and the diurnal activity of ribulose-1,5-bisphosphate carboxylase in field grown Nicotiana tabacum genotypes selected for survival at low CO2 concentrations. (1993) Parry, Martin, Delgado, E., Vadell, J., Keys, A. J., Lawlor, David, Medrano, H. picture_as_pdf
  • Effect of spice essential oils on growth and aflatoxin B1 production by Aspergillus flavus. (1993) Patkar, K. L., Usha, C. M., Shetty, H. S., Paster, N., Lacey, J.
  • Starch-degrading enzymes during the induction of CAM in Mesembryanthemum crystallinum. (1993) Paul, Matthew, Loos, K., Stitt, M., Ziegler, P.
  • Effects of nitrogen and phosphorus deficiencies on levels of carbohydrates, respiratory enzymes and metabolites in seedlings of tobacco and their response to exogenous sucrose. (1993) Paul, Matthew, Stitt, M.
  • Phenotypic stability of oats measured with different stability analyses. (1993) Peltonen-Sainio, P., Moore, K., Pehu, E. picture_as_pdf
  • The effects of group size on grazing time in sheep. (1993) Penning, P. D., Parsons, A. J., Newman, J. A., Orr, Robert, Harvey, A. picture_as_pdf
  • Dispersal in a metapopulation neighbourhood model of an annual plant with a seedbank. (1993) Perry, J. N., Gonzalez-Andujar, J. L.
  • The Classical Experiments and the environment. (1993) Perry, J. N., Potts, J. M., Welham, Sue
  • Using response-surface methodology to detect chaos in ecological time series. (1993) Perry, J. N., Woiwod, Ian, Hanski, I.
  • Behavioural discrimination of oilseed rape volatiles by the honeybee Apis mellifera L. (1993) Pham-Delegue, M. H., Bailez, O., Blight, M. M., Masson, C., Picard-Nizou, A. L., Wadhams, L. J. picture_as_pdf
  • Chemical ecology of plants and insects: helping crops to help themselves. (1993) Pickett, John, Woodcock, Christine
  • Broad-minded biologist (review of Christopher Sexton The seeds of time: the life of Sir MacFarlane Burnet ). (1993) Pirie, Norman Wingate (Bill)
  • Logic and luck (review of A. Twort In focus, out of step: a biography of Frederick William Twort FRS, 1877-1950 ). (1993) Pirie, Norman Wingate (Bill)
  • Effects of the antifeedant polygodial on plant penetration by aphids, assessed by video and electrical recording. (1993) Powell, G., Hardie, J., Pickett, John
  • Responses of the parasitoid Praon volucre (Hymenoptera: Braconidae) to aphid sex pheromone lures in cereal fields in autumn: implications for parasitoid manipulation. (1993) Powell, W., Hardie, J., Hick, A. J., Holler, C., Mann, J., Merritt, L., Nottingham, S. F., Wadhams, L. J., Witthinrich, J., Wright, A. F.
  • Understanding the soil nitrogen cycle. (1993) Powlson, David
  • Effect of genotype on chromosome variation in tissue-culture of inbred and outbred rye. (1993) Puolimatka, M., Karp, Angela picture_as_pdf
  • Induction and detection of pathogenesis-related proteins in leaves and roots of potato plants infected with pathotypes of Globodera pallida. (1993) Rahimi, S., Perry, Roland, Wright, D. J.
  • Effects of water activity and temperature on the growth of fungi interacting on barley grain. (1993) Ramakrishna, N., Lacey, J., Smith, J. E.
  • The influence of surface and sub-surface application methods for pig slurry on herbage yields and nitrogen recovery. (1993) Rees, Y. J., Pain, B. F., Phillips, V. R., Misselbrook, Tom
  • Important Lepidoptera records from the Rothamsted Insect Survey national light trap network. (1993) Riley, Adrian
  • A diagnostic feature for the separation of Cyclophora pendularia (Clerck) (Dingy Mocha) and C. albipunctata (Hufnagel) (Birch Mocha) (Lepidoptera: Geometridae). (1993) Riley, Adrian
  • A pale ochreous form of Herminia tarsipennalis Treitschke, the Fan-foot (Lep: Noctuidae) in Arran. (1993) Riley, Adrian
  • A study of alley-cropping data from Northern Brazil. I. Distributional properties. (1993) Riley, J., Smyth, S.
  • A comparison of the flower volatiles from hawthorn and four raspberry cultivars. (1993) Robertson, G. W., Griffiths, D. W., Woodford, J. A. T., Birch, A. N. E., Pickett, John, Wadhams, L. J.
  • Characterisation of a 34kD protein from potato cyst nematodes, using monoclonal antibodies with potential for species diagnosis. (1993) Robinson, M. P., Butcher, G., Curtis, R. H., Davies, K. G., Evans, K.
  • On the mathematical description of lactation curves. (1993) Rook, A. J., France, J., Dhanoa, M. S. picture_as_pdf
  • Dry matter and nitrogen partitioning to the grain of winter wheat (Triticum aestivum ) cultivars grown on Broadbalk since 1843. (1993) Rooney, J. M., Leigh, Roger picture_as_pdf
  • Abundance of airborne Penicillium CFU in relation to urbanisation in Mexico City. (1993) Rosas, I., Calderon, C., Ulloa, M., Lacey, J.
  • Aversion of domestic fowl to whole-body vibratory motion. (1993) Rutter, S. M., Randall, J. M.
  • Aversiveness of mechanical conveying to laying hens. (1993) Rutter, S. M., Scott, G. B., Morgan, P.
  • Assessment of hunger in growing broiler breeders in relation to a commercial restricted feeding programme. (1993) Savory, C. J., Maros, K., Rutter, S. M.
  • The "nitrate problem" in grassland. (1993) Scholefield, D.
  • Nitrate leaching from grazed grassland lysimeters: effects of fertilizer input, field drainage, age of sward and patterns of weather. (1993) Scholefield, D., Tyson, K. C., Garwood, E. A., Armstrong, A. C., Hawkins, Jane, Stone, A. C.
  • An analysis of the efficiency of the sugar beet crop in exploiting the environment. (1993) Scott, R. K., Jaggard, K. W.
  • Further details and SEM observations on Heterodera cynodontis Shahina and Maqbool 1989 (Nematoda: Heteroderidae). (1993) Shahina, F., Rowe, J. A., Maqbool, M. A.
  • Lotus - the latest developments at IGER. (1993) Sheldrick, R. D.
  • Management options for increasing white clover contents of swards, without resowing. (1993) Sheldrick, R. D., Lavender, R. H., Martyn, T. M.
  • Forage production by two birdsfoot trefoil (Lotus ) varieties as influenced by four companion grasses. (1993) Sheldrick, R. D., Martyn, T. M., Lavender, R. H.
  • Sowing the seeds of international success. (1993) Stevenson, J. H.
  • Factors affecting the grain yield, milling and breadmaking quality of wheat, 1969-1972.II Breadmaking quality in relation to variety and nitrogen fertiliser. (1993) Stewart, B. A., Dyke, G. V.
  • A glycoprotein specific to the amphids of Meloidogyne species. (1993) Stewart, G. R., Perry, Roland, Alexander, J., Wright, D. J. picture_as_pdf
  • Studies on the amphid specific glycoprotein gp32 in different life cycle stages of Meloidogyne species. (1993) Stewart, G. R., Perry, Roland, Wright, D. J. picture_as_pdf
  • Expression of the PR-b1" gene in the roots of two Nicotiana species and their amphidiploid hybrid infected with virulent and avirulent races of Chalara elegans. (1993) Tahiri-Alaoui, A., Dumas-Gaudot, E., Gianinazzi, S., Antoniw, John
  • Catching up on aphids. (1993) Tatchell, Mark
  • Physico-chemical factors determining the phloem translocation of benzoic acids. (1993) Tench, A. J., Williams, R. H., Bromilow, Richard, Chamberlain, Keith
  • The 1993 IIRB Winter Congress: water use, by-products and seed quality. (1993) Thomas, T. H.
  • Effects of root restriction and growth regulator treatments on the growth of carrot (Daucus carota L.) seedlings. (1993) Thomas, T. H.
  • Micropropagation from inflorescence. (1993) Thomas, T. H.
  • The development of diagnostics for evaluating Beta germplasm. (1993) Thomas, T. H., Asher, M. J. C., Smith, H. G., Clarke, N. A., Mutasa-Göttgens, E. S., Stevens, M., Thompson, J. R.
  • Measuring water and solute relations in single cells in situ. (1993) Tomos, A. D., Leigh, Roger, Hinde, P., Richardson, P., Williams, J. H. H.
  • Rothamsted Farmland Ecology light trap network: interesting Lepidoptera records, January to May 1992. (1993) Townsend, M. C.
  • Rothamsted farmland light trap network: interesting Lepidoptera records, June 1992. (1993) Townsend, M. C.
  • Semiothisa signaria Hubner (Lep.:Geometridae) and other interesting Lepidoptera records from the Rothamsted Farmland Ecology light trap network for July 1992. (1993) Townsend, M. C.
  • Fungal colonisation and mycotoxin contamination of developing rice grain. (1993) Usha, C. M., Patkar, K. L., Shetty, H. S., Kennedy, R., Lacey, J.
  • Mycotoxin contamination in developing groundnuts (Arachis hypogaea L.). (1993) Usha, C. M., Patkar, K. L., Shetty, H. S., Kennedy, R., Lacey, J.
  • The susceptibility of pea cultivars to pea seed-borne mosaic virus infection and virus seed transmission in the UK. (1993) Wang, D., Woods, R. D., Cockbain, A. J., Maule, A. J., Biddle, A. J.
  • Effects of pH on arbuscular mycorrhiza I. Field observations on the long-term liming experiments at Rothamsted and Woburn. (1993) Wang, G. M., Stribley, D. P., Tinker, P. B., Walker, Colin picture_as_pdf
  • Sugar beet. (1993) Webb, D. J.
  • Comparisons of methods for measuring the leaching of mineral nitrogen from arable land. (1993) Webster, Colin, Shepherd, M. A., Goulding, Keith, Lord, E. picture_as_pdf
  • Modelling the growth of sugar beet. (1993) Werker, A. R.
  • Responses of young bracken plants, from 3 different populations, to the herbicide Tribenuron-methyl. (1993) West, T. M.
  • Sugar beet under analysis: the search for pesticide residues. (1993) Westwood, F., Dewar, A. M.
  • The role of the eggshell in the cold tolerance mechanisms of the unhatched juveniles of Globodera rostochiensis. (1993) Wharton, D. A., Perry, Roland, Beane, J.
  • A study of the distribution of Acremonium typhinum in populations of red fescue in southwest England and in vitro growth comparisons to isolates from North American collections. (1993) White, J. F., Lewis, G. C., Sun, S., Funk, C. R. Jr
  • Nitrogen in the excreta of dairy cattle: changes during short- term storage. (1993) Whitehead, D. C., Raistrick, N. picture_as_pdf
  • The volatilization of ammonia from cattle urine applied to soils as influenced by soil properties. (1993) Whitehead, D. C., Raistrick, N.
  • The use of polyacrylamide gel electrophoresis of enzymes to identify entomophthoralean fungi in aphid hosts. (1993) Wilding, N., Mardell, S. K., Brookes, C. P., Loxdale, H. D.
  • Rothamsted: cradle of agricultural and apicultural research. Part 1: origins and development. (1993) Williams, I. H. picture_as_pdf
  • Nectar sources for honey bees and the movement of honey bee colonies for crop pollination and honey production in England. (1993) Williams, I. H., Norman L Carreck, Little, D. picture_as_pdf
  • Rothamsted: cradle of agricultural and apicultural research 2. Bee research achievements. (1993) Williams, Ingrid H., Ball, Brenda V., Tomkins, Peter W., Carreck, Norman L. picture_as_pdf
  • Rothamsted and the correspondance of Sir John Lawes and Sir Henry Gilbert. (1993) Williams, M. H.
  • Knockdown resistance (kdr) to DDT and pyrethroid insecticides maps to a sodium channel gene locus in the housefly (Musca domestica). (1993) Williamson, Martin, Denholm, Ian, Bell, C. A., Devonshire, A. L.
  • The effect of different frequencies of harrowing in the autumn or spring on winter wheat, and on the control of Stellaria media (L.) vill., Galium aparine L. and Brassica napus L. (1993) Wilson, B. J., Wright, K. J., Butler, R. C.
  • A comparison of chromosome instability in cell suspensions of diploid, tetraploid and hexaploid wheats. (1993) Winfield, M., Davey, M. R., Karp, Angela picture_as_pdf
  • Variation in grain sulphur concentrations in wheat and barley. (1993) Withers, P. J. A., Hodgson, I. H., McGrath, Steve, Zhao, Fangjie
  • Formation and destruction of microbial biomass during the decomposition of glucose and ryegrass in soil. (1993) Wu, J., Brookes, Philip, Jenkinson, David
  • Recent records of hoverflies (Dipt., Syrphidae) in Hertfordshire. (1993) Wynne, I. R.
  • Nucleotide sequence of beet cryptic virus 3 dsRNA2 which encodes a putative RNA-dependent RNA polymerase. (1993) Xie, W. S., Antoniw, John, White, R. F.
  • A third cryptic virus in beet (Beta vulgaris ). (1993) Xie, W. S., Antoniw, John, White, R. F., Woods, R. D.
  • Analysis of the mitochondrial DNA of the somatic hybrids of Solanum brevidens and s. tuberosum using non-radioactive digoxigenin-labeled DNA probes. (1993) Xu, Y-S., Jones, M. G. K., Karp, Angela, Pehu, E.
  • The effects of quantity and duration of milk feeding on the intake of concentrates and growth of castrated male Saanen kids to slaughter. (1993) Yan, T., Cook, J. E., Gibb, M. J., Ivings, W. E., Treacher, T. T. picture_as_pdf
  • In vitro culture of petioles and intact leaves of sugar beet. (1993) Zhong, Z., Smith, H. G., Thomas, T. H.
  • Micropropagation of wild beet (Beta maritima ) from inflorescence pieces. (1993) Zhong, Z., Smith, H. G., Thomas, T. H.