Type
Number of items: 268.
,
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
picture_as_pdf
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.
A
Epidemiology of fungally-transmitted viruses. (1990)
Adams, Michael
Nitrogen: balancing crop and environmental priorities. (1990)
Addiscott, Tom
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.
picture_as_pdf
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.
picture_as_pdf
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.
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.
picture_as_pdf
Decomposition of carbon-14 labeled ryegrass and maize under tropical conditions. (1990)
Ayanaba, A., Jenkinson, David
B
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.
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.
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.
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
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.
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.
Physicochemical aspects of phloem translocation of herbicides. (1990)
Bromilow, Richard, Chamberlain, Keith, Evans, A. A.
picture_as_pdf
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.
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.
Base sequence divergence in mitochondrial DNA from European populations of Globodera rostochiensis and G. pallida . (1990)
Burrows, P. R., Feile, E. J., Perry, Roland
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.
C
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
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.
Paleopedology manual. (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.
Fertilizer use on farm crops in Great Britain: results from the Survey of Fertilizer Practice, 1969-88. (1990)
Clamers, A., Kershaw, C., Leech, P.
picture_as_pdf
Effects of repeated applications of fluazifop-butyl, haloxyfop and sethoxydim on Elymus repens in strawberries. (1990)
Clay, D. V., Lawrie, J., Hertz, L. B.
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.
picture_as_pdf
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.
D
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.
picture_as_pdf
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.
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.
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.
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.
Monitoring and interpreting changes in insecticide resistance. (1990)
Denholm, Ian
picture_as_pdf
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.
New active ingredients for controlling aphids and virus yellows in sugar beet. (1990)
Dewar, A. M.
The continuing story of virus yellows. (1990)
Dewar, A. M., Smith, H. G.
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.
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.
picture_as_pdf
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.
picture_as_pdf
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.
E
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.
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.
F
Deaminase activity in arable soils. (1990)
F., Allison
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.
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.
picture_as_pdf
Abstracts of Communications. Proceedings of the Twentieth Meeting of the AFRC Modellers' Group. (1990)
France, J.
picture_as_pdf
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
G
New facilities in Genstat 5 Release 2. (1990)
Genstat, Five Committee.
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.
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.
Nitrogen deposition to land from the atmosphere. (1990)
Goulding, Keith
picture_as_pdf
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.
picture_as_pdf
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.
H
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
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.
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.
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.
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.
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.
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
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
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
J
Are there too many beet in our fields? (1990)
Jaggard, K.
Predicting yield for the sugar industry. (1990)
Jaggard, K., Clark, C.
An introduction to the global nitrogen cycle. (1990)
Jenkinson, David
The turnover of organic carbon and nitrogen in the soil. (1990)
Jenkinson, David
picture_as_pdf
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
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.
Electrophysiological recordings and responses to various stimuli by the potato cyst nematode, Globodera rostochiensis . (1990)
Jones, J. T., Perry, Roland, Johnston, M. R. L.
K
An assessment of progress toward microbial control of plant-parasitic nematodes. (1990)
Kerry, B. R.
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
Ribulose bisphosphate carboxylase/oxygenase and carbonic anhydrase. (1990)
Keys, A. J., Parry, Martin
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.
Viruses in honey bee colonies infested with Varroa jacobsoni: first findings in Yugoslavia. (1990)
Kulincevic, J., Brenda, V. Ball, Mladjan, V.
picture_as_pdf
L
Taxonomic history of actinomycete strains bearing the epithet rectivirgula: correct citation of authorities. (1990)
Lacey, J.
Genstat 5. Release 2.1. (1990)
Lane, P. W.
Genstat made easy. (1990)
Lane, P. W.
The Genstat menu system. (1990)
Lane, P. W.
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.
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.
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.
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
picture_as_pdf
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.
picture_as_pdf
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.
M
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
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.
Plastoquinol diffusion in linear photosynthetic electron transport. (1990)
Mitchell, Rowan, Spillmann, A., Haehnel, W.
picture_as_pdf
Herbicide cross-resistance in slender foxtail (Alopecurus myosuroides). (1990)
Moss, Stephen
picture_as_pdf
O
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
picture_as_pdf
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.
P
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
picture_as_pdf
The stimulation of CAM activity in Mesembryanthemum crystallinum in nitrate and phosphate-deficient conditions. (1990)
Paul, Matthew, Cockburn, W.
The effect of temperature on photosynthesis and carbon fluxes in sunflower and rape. (1990)
Paul, Matthew, Lawlor, David, Driscoll, S. P.
picture_as_pdf
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
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
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.
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.
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.
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
Storage root quality in sugarbeet in relation to nitrogen uptake. (1990)
Pocock, T. O., Milford, G. F. J., Armstrong, M. J.
picture_as_pdf
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
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.
R
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.
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.
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.
Estimation problems of non-linear functional relationships. (1990)
Ross, G. J. S.
Incomplete variance functions. (1990)
Ross, G. J. S.
Statistical software reviews: Statistical Navigator. (1990)
Ryder, K.
S
Cytosolic free calcium homeostasis in plants. (1990)
Sanders, D., Miller, Tony, Blackford, S., Brosnan, J. M., Johannes, E.
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.
Monitoring insecticide resistance in Myzus persicae. (1990)
Smith, S. D. J., Field, Lin, Devonshire, A. L.
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.
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
T
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.
Broom's Barn - a research centre for tomorrow's sugar beet crop. (1990)
Thomas, T. H., Cooke, D. A.
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.
W
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
picture_as_pdf
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.
An editor's farewell. (1990)
Webster, Richard
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.
picture_as_pdf
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.
Pollination requirements of linseed (Linum usitatissimum). (1990)
Williams, I. H., Martin, A. H., Clark, Suzanne
picture_as_pdf
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
picture_as_pdf
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.
Predation of the cereal aphid Sitobion avenae by polyphagous predators on the ground. (1990)
Winder, L.
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.
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
