1. A simulation model of the epidemiology of barley yellow dwarf virus in winter sown cereals and its application to forecasting
  2. Uptake of the herbicide [C-14] 2,4-D iso-octyl in the vapor-phase by tomato and lettuce plants and some effects on growth and phytotoxicity
  3. Seasonal changes in primary and secondary inoculum during epidemics of leaf blotch (Rhynchosporium secalis) on winter barley
  4. A technique for assessing damage to roots of white clover caused by root feeding insects
  5. Use of a model and toxicity data to predict the risks to some wild plant species from drift of four herbicides
  6. Studies on the feeding of Sitona lineatus L. (coleoptera, curculionidae) on white clover (Trifolium repens L.) seedlings
  7. Seedbank persistence and seedling emergence of 7 weed species in autumn sown crops following a single years seeding
  8. The short-term effects on wild goose behavior of chlorpyrifos application to permanent pasture
  9. Antagonistic effects of simultaneous exposure to sulfur-dioxide gas and vapor of the herbicide 2,4-d iso-octyl on the carbon-dioxide exchange of tomato and field bean-plants
  10. Effects of formulation with different adjuvants on foliar uptake of difenzoquat and 2,4-D: model experiments with wild oat and field bean
  11. Absorption of nitrate and ammonium-ions by lolium-perenne from flowing solution cultures at low root temperatures
  12. Evaporation and uptake of the herbicide 2,4-D-butyl applied to barley leaves
  13. Effects of sterol biosynthesis inhibitor fungicides on growth and sterol composition of Ustilago maydis, Botrytis cinerea and Pyrenophora teres
  14. Physicochemical properties of agrochemicals - their effects on foliar penetration
  15. Effects of some nonionic polyoxyethylene surfactants on uptake of ethirimol and diclobutrazol from suspension formulations applied to wheat leaves
  16. Response of bromus sterilis plants, grown from different seedstocks, to postemergence herbicide treatments of isoproturon and metoxuron
  17. Ethylene production in relation to the resistance of Stellaria media (chickweed) to mecoprop
  18. The cadmium issue - long-term changes in the cadmium content of soils and the crops grown on them", International Workshop on phosphate fertilizers and the environment. Mar 23-27, 1992 Tampa, Florida, USA
  19. Field-evaluation of an immunodiagnostic assay for cereal eyespot
  20. Molecular cloning of a novel barley seed protein gene that is repressed by abscisic acid
  21. Molecular analyses of a barley multigene family homologous to the yeast protein kinase gene SNF1
  22. Identification of a novel beta-turn-rich repeat motif in the D hordeins of barley
  23. Variation in telomeric heterochromatin in somaclones of rye
  24. Chromosomal assignment of genes in barley using telosomic wheat-barley addition lines
  25. High-molecular-weight subunits of wheat glutenin
  26. Import of the precursor of the chloroplast Rieske iron-sulphur protein by pea chloroplasts
  27. Import and processing of the precursor of the Rieske FeS protein of tobacco chloroplasts
  28. Import and processing of the precursor of the delta subunit of tobacco chloroplast ATP synthase
  29. Import and processing of the precursor form of the gamma subunit of the chloroplast ATP synthase from tobacco
  30. Chloroplast import of the precursor of the gamma subunit of pea chloroplast ATP synthase
  31. Postharvest formation of aflatoxin in maize in Costa Rica
  32. Genstat 5 Release 2.2 (implementation for Silicon Graphics)
  33. Crop growth and weather: can yield forecasts be reliable?
  34. Remote sensing to forecast yield in England
  35. Controlling sugar beet's aphid threat
  36. Resistance-breaking pathotypes of Heterodera schachtii
  37. Controlling leaf diseases: powdery mildew
  38. Root rots - the sting in the tail
  39. Aspects of the host-parasite relationships of Polymyxa betae
  40. Dephosphorylation of 2'carboxyarabinitol-1-phosphate and the regulation of Rubisco
  41. Comparative biology of the wheat and rye types of Pseudocercosporella herpotrichoides
  42. Components of resistance to disease in oilseed rape. PhD thesis, University of Wales, Aberystwyth
  43. Virus diseases of pea and bean crops in the Shanghai area
  44. Evaluation and mapping to chromosome arms of RFLPs and RAPD markers in barley
  45. Biochemical study of insecticide resistance in the cotton whitefly, Bemisia tabaci (Gennadius)
  46. The use of nucleic acids to identify Globodera rostochiensis and G. pallida and two of their pathotypes. PhD thesis, University of Leeds
  47. Xenopus oocytes: a functional expression system for plant membrane transporters
  48. Suite of MS-DOS programs for analysing and comparing plant virus sequences with sequences in EMBL and GenBank databases
  49. New records of aphid species caught in water yellow traps in Greece
  50. The feasibility of regulating nitrogen concentrations in agricultural soils. Report commissioned by Hydro-Agri GmbH
  51. Disease aspects of potato production
  52. In situ decontamination of metal-polluted soils by means of metal-accumulator plants. Final report to DGXI of ACE contract 89/UK/15/C/23
  53. Agriculture and environment: field experiments with limited replication. Appendix F
  54. The biosynthesis of amino acids and amino acid-derived secondary metabolites in crop plants
  55. The biology and epidemiology of white leaf spot (Pseudocercosporella capsellae ) on oilseed rape
  56. Status of Chilean soils potassium related to Ca/K exchange
  57. Heterogeneidad superficial de un suelo osorno
  58. Lipid peroxidation of stored groundnut kernels in relation to water activity and storage
  59. The status of the biological control of plant nematodes
  60. Opportunities for collaboration in Nematology between Rothamsted Experimental Station and colleagues in Pakistan
  61. Photosynthesis, photoassimilate partitioning and productivity in tropical and sub-tropical plants
  62. Apiculture for agriculture(3)
  63. Apiculture for agriculture(2)
  64. Apiculture for agriculture(1)
  65. Apiculture for agriculture
  66. The effect of imidacloprid on the mortality and behaviour of the aphid vectors of barley yellow dwarf virus
  67. Synomones and kairomones from plants and honeydew in susceptible and resistant varieties; their importance to natural enemies.
  68. Genetics of biological control introductions
  69. Assessing the environmental effects of agrochemicals on beneficial arthropods
  70. The principles of risk assessment for non-target arthropods: a UK registration perspective
  71. The principles of risk assessment for non-target arthropods: a UK perspective
  72. Genetics of biological control introductions
  73. The dispersal of bacteria from foliar surfaces by rain splash: final report on EPA agreement number CR-815383
  74. Changing patterns of crop pests and deseases in the UK
  75. Use of the Polymerase Chain Reaction for identifying plant pathogens
  76. Immunoassays to quantify plant parasitic nematodes in roots and soil extracts
  77. Mating behaviour and identification of the female sex pheromone gland in the brassica pod midge (Dasineura brassicae Winn.: Cecidomyidae, Diptera)
  78. Les abeilles et la pollinisation des cultures et des fleurs sauvages dans la Communaute Europeene
  79. The potential for the use of metal-accumulating plants for the in situ decontamination of metal-polluted soils
  80. Factors affecting the grain yield, milling and breadmaking quality of wheat, 1969-1972. I. Grain yield, milling quality and flour protein content in relation to variety and nitrogen fertilizer
  81. Tritrophic influences on aphid parasitoids (Hym.,Braconidae:Aphidiinae)
  82. Osmotic regulation of wheat leaf epidermis under varying nitrate availability
  83. Link Programme: Integrated farming systems
  84. The effect of elevated CO2 on photosynthesis and chloroplast thylakoid structure of crop plants
  85. Vacuole redevelopment in evacuolated oat protoplasts
  86. Compartmentation of nitrate in barley root cells
  87. Effects of washing on ATPases and PPase activity and sugar uptake in red beet discs
  88. Measurement of intracellular free magnesium in plant cells using magnesium-selective microelectrodes
  89. 150 years of research at Rothamsted: practice with science exemplified
  90. Attraction of field flying aphid males to synthetic sex pheromone
  91. Intracellular measurement of K+ in barley root epidermal cells using K+-selective microelectrodes
  92. Climate change and wheat photosynthesis: interactive effects of CO2, temperature and nitrogen nutrition
  93. Effects of nitrate on proton transport by tonoplast vesicles from barley roots
  94. Tributyltin and anion transport in tonoplast vesicles
  95. Changed CO2/O2 specificity in mutants of Rubisco
  96. Compartmentation of nitrate in root cells
  97. PCR cloning of P-glycoprotein homologues from barley
  98. Functional expression of a plant plasma membrane transporter in Xenopus oocytes
  99. Biometrical perspectives under global change
  100. Implications of statistical analysis of aquaculture experiments
  101. Some recent studies in ecology and environmental change
  102. Providing for the analysis of generalized additive models within a system already capable of generalized linear and nonlinear regression
  103. The story of Broom's Barn
  104. Monitoring responses of vegetation to stress
  105. An irrigation system for sugar beet plots
  106. The Institute farms in 1991 - Broom's Barn
  107. Breeding for resistance to yellowing viruses in sugar beet
  108. Transforming sugar-beet research into productivity
  109. Prospects for improving the sugar beet virus yellow spray warning scheme
  110. The detection of virus in aphids as an aid to forecasting incidence of sugar beet virus yellows
  111. The assessment of resistance and detection of viruses in aphids on sugar beet as an aid towards rationalisation of pesticide use
  112. The use of ELISA techniques to aid forecasting and control of aphids in sugar beet
  113. Incidence and control of virus yellows in sugar beet in England
  114. Fungicides for the control of powdery mildew in sugar beet
  115. Production and Protection of Sugar Beet. Aspects of Applied Biology 32
  116. Use of a nitrate leaching model to predict spring soil mineral nitrogen contents in sugar beet (Beta vulgaris ) fields
  117. The integration of cover crops into sugar beet (Beta vulgaris ) rotations
  118. Parallel model analysis with factorial parameter structure
  119. The behaviour of queen honeybees and their attendants
  120. The action of oilseed rape metabolites on olfactory nerve activity and behaviour of Deroceras reticulatum
  121. Effects of sowing date and insecticide spray timing on barley yellow dwarf virus in barley
  122. Intrinsic variability in the entomogenous, hyphomycete fungus Metarhizium anisopliae
  123. Screening of oilseed rape volatiles behaviourally active in honeybees: coupled gas chromatography-behavioural assays
  124. Evolutionary implications of different feeding strategies of plant parasitic nematodes
  125. The biological control of soil-borne pests and diseases
  126. Seminar: integrated control of nematodes (with particular reference to cyst and root knot nematodes)
  127. An immunological approach to studies on the colonisation of the rhizosphere by Verticillium chlamydosporium and its effect on the multiplication of Heterodera schachtii
  128. Use of a cellulose acetate system for allozyme electrophoresis
  129. A device for producing multiple deep-frozen samples for allozyme electrophoresis
  130. Localisation of an amphid-specific protein in Meloidogyne incognita
  131. Studies on the nature of the secretions of nematode sense organs using molecular biological techniques
  132. Attenuation in the aphid pathogenic fungus Erynia neoaphidis (Zygomycotina: Entomophthorales)
  133. The survival and germination of Erynia neoaphidis conidia
  134. Zoophthora sp., a pathogen of the earwig Forficula auricularia (Dermaptera: Forficulidae)
  135. The development of Zoophthora radicans for biocontrol of diamonback moth, Plutella xylostella
  136. Fitting Taylor's power law
  137. The use of Verticillium chlamydosporium Goddard and Pasteuria penetrans (Thorne) Sayre and Starr alone and in combination to control Meloidogyne incognita on tomato plants
  138. Biological control of nematodes: prospects and opportunities
  139. The removal and dispersal of foliar bacteria by rain splash
  140. Agricultural Zoology Reviews
  141. Partial characterisation of putative receptors on the cuticle of Meloidogyne javanica involved in the attachment of spores of Pasteuria penetrans
  142. Interactions between the nematophagus fungus Verticillium chlamydosporium and some plant parasitic nematodes
  143. Experiments for testing treatments to control take-all
  144. Elaphria venustula Hubner and other macrolepidoptera at m.v. light in Hampshire in 1991
  145. Vector aphid morph and its relevance to barley yellow dwarf virus infection and spread
  146. Influence of imidacloprid on the behaviour and mortality of aphids: vectors of barley yellow dwarf virus
  147. Effects of humidity on the dispersal of Pseudomonas syringae from leaves by water splash
  148. Improvements in the detection of pea seed-borne mosaic virus by ELISA
  149. Epidemiology of grey mould (caused by Botrytis cinerea ) on sunflower in the UK
  150. Effect of drop size on the removal of Bacillus subtilis from foliar surfaces by water splash
  151. The action of oilseed rape metabolites on olfactory nerve activity and behaviour of Deroceras reticulatum
  152. Behavioural and electrophysiological evaluation of oviposition attractants for Culex quinquefasciatus Say (Diptera: Culicidae)
  153. Survival and growth of clove seedlings in Zanzibar. 2. Effects of nursery practices and mulching
  154. Survival and growth of clove seedlings in Zanzibar. 1. Effects of mulching and shade crops
  155. Comparative phenologies of two migrant cereal aphid species
  156. Host plant factors affecting the feeding of the cabbage stem flea beetle (Psylloides chrysocephala) on oilseed rape
  157. A morphological and biochemical comparison of the four cyst nematode species, Heterodera elachista, H. oryzicola, H. oryzae and H. sacchari (Nematoda: Heteroderidae) known to attack rice (Oryza sativa)
  158. Investigations of the secretions of nematode sense organs using molecular biological techniques
  159. Collagen genes of plant-parasitic nematodes
  160. Desiccation survival and population dynamics of Ditylenchus angustus
  161. An amphid-specific protein in Meloidogyne spp
  162. Use of esterase patterns of females and galled roots for identification of species of Meloidogyne
  163. The chromosome complement and genomic organisation of Globodera pallida
  164. Monoclonal antibodies (MAbs) specific to surface expressed antigens of Ditylenchus dipsaci
  165. The incidence of deformed wing virus in honey bee colonies infested with the parasitic mite Varroa jacobsoni
  166. Pathogenicity of the entomogenous, hyphomycete fungus, Metarhizium anisopliae against the chrysomelid beetles, Psylliodes chrysocephala and Phaedon cochleariae
  167. Prepenetration events and host specificity in entomogenous fungi
  168. The effects of potato cyst nematodes and physiological conditioning of seed-tubers on resource capture by potatoes
  169. The future of sugar beet research in the UK
  170. Disease control in sugar beet - the future
  171. Towards integrated control of aphids and virus yellows in sugar beet
  172. Recent and future agronomy research for the UK beet industry
  173. Sugar beet research into practice - the SBREC roadshow: introduction
  174. The yin and yang of Chinese sugar beet production
  175. What price sugar beet research?
  176. Controlling leaf diseases: rust and ramularia
  177. Inputs and the yield and profitability of beet cropping
  178. Effects of imidacloprid on aphids and virus yellows in sugar beet
  179. Biotechnological opportunities for sugar beet
  180. Regulation of vacuolar H+-pyrophosphatase by free calcium: a reaction kinetic analysis
  181. Kinetics of the vacuolar H+-pyrophosphatase: the roles of magnesium, pyrophosphate and their complexes as substrates, activators and inhibitors
  182. Regeneration, stability and transformation of barley
  183. Influence of nitrate supply on nitrate accumulation and tissue N concentration in Triticum aestivum L.
  184. Genetic engineering of plants and cultures
  185. The role of complexes of magnesium and pyrophosphate in protecting the tonoplast pyrophosphatase from inhibition by residue-specific reagents
  186. Sink-regulation of photosynthesis in relation to temperature in sunflower and rape
  187. Diurnal changes of Rubisco activity in Nicotiana tabacum L. genotypes selected by low CO2 survival
  188. Turgor, taproots and transient sucrose transport in Beta vulgaris
  189. Regulation of photosynthetic rate of two sunflower hybrids under water stress
  190. Interaction of CO2 and temperature in the growth and yield of winter wheat: test of ARCWHEAT model
  191. Analisis molecular de mutantes fotorrespiratorios de cebada deficientes en la biosintesis de glutamato
  192. Importance of the host plant in the relationship between the nematophagous fungus, Verticillium chlamydosporium, and the root-knot nematodes (Meloidogyne spp.)
  193. Verticillium chlamydosporium for control of root-knot nematodes
  194. The survival of Zoophthora radicans (Zygomycetes: Entomophthorales) isolates as hyphal bodies in mummified larvae of Plutella xylostella L. (Lepidoptera: Yponomeutidae)
  195. Rothamsted Farmland Ecology light trap network: interesting Lepidoptera records, September to December 1991
  196. Eupithecia sinuosaria Eversmann (Lep.:Geometridae) in Hertfordshire. The second British record
  197. The taxonomy of Rhabditid nematodes infesting field slugs
  198. Molecular aspects of resistance to nematodes
  199. Comparison of various populations of the burrowing nematode Rhadopholus similis using biochemical and molecular techniques
  200. Differentiation of closely related root-knot nematodes (Meloidogyne spp.) using a polyclonal antibody
  201. The immunological identification and quantification of root-knot nematodes: problems and progress
  202. Partial characterization of putative receptors on the cuticle of Meloidogyne javanica involved in the attachment of spores of Pasteuria penetrans
  203. Differentiation of Globodera rostochiensis and Globodera pallida using monoclonal antibodies: partial characterization of the antigens recognised by MR/8.4 and MR/8.5
  204. Immunoassays to quantify plant parasitic nematodes in roots and soil extracts
  205. Improving slug baits: the effects of some phagostimulants and molluscicides on ingestion by the slug, Deroceras reticulatum (Muller) (Pulmonata: Limacidae)
  206. Biological control of the potato cyst nematode using parasitic fungi
  207. Structure and functional activity of neuropeptides
  208. Effects of the plant-derived antifeedant polygodial on aphid host selection behaviour
  209. Plant chemicals involved in honey bee-rapeseed relationships: behavioural, electrophysiological and chemical studies
  210. Responses of the black bean aphid, Aphis fabae to a non-host plant volatile in laboratory and field
  211. The role of host-plant odour and sex pheromones in mate recognition in the aphid Cryptomyzus
  212. Volatile plant metabolites involved in host-plant recognition by the cabbage seed weevil, Ceutorhynchus assimilis Payk.
  213. Response of the oilseed rape pests, Ceutorhynchus assimilis and Psylliodes chrysocephela, to a mixture of isothiocyanates
  214. Potential of novel chemical approaches for overcoming insecticide resistance
  215. Even safer insecticides?
  216. The action of a range of volatile compounds on a tentacular preparation of the field slug, Deroceras reticulatum (Mull.)
  217. Tactics for managing pesticide resistance in arthropods: theory and practice
  218. Insecticidal activity and expression of pyrethroid resistance in adult Bemisia tabaci using a glass vial bioassay
  219. Problems with estimating the toxicity of Amitraz to susceptible and resistant spider mites
  220. The microimmersion bioassay: a novel method for measuring acaricidal activity and for characterising pesticide resistance in spider mites
  221. Altered forms of acetylcholinesterase in insecticide-resistant houseflies (Musca domestica)
  222. Monitoring insecticide resistance of the peach-potato aphid, Myzus persicae, in England and Wales
  223. Monitoring insecticide resistance of aphids in sugar beet and potatoes in England and Wales 1982-1991
  224. Comparison of microplate esterase assays and immunoassay for identifying insecticide resistant variants of Myzus persicae (Homoptera: Aphididae)
  225. Review of subject and course development in mathematical sciences
  226. Biomedical applications for a generalized linear functional Poisson model
  227. Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow
  228. Weak expression of the pathogenesis related PR-b1 gene and localization of related protein during symbiotic endomycorrhizal interactions in tobacco roots
  229. Epidemiology in relation to control of white leaf spot (Mycosphaerella capsellae) on oilseed rape
  230. Towards integrated control of potato storage diseases
  231. Spread and infectivity of aphid vectors of barley yellow dwarf virus in autumn in southern England, 1988-1990
  232. Responses of some Asian and European barley cultivars to UK and Chinese isolates of soil-borne barley mosaic viruses
  233. Soil-borne mosaic viruses in winter barley: effects of variety and management
  234. Zoospore ultrastructure of Polymyxa graminis
  235. Statistical trends in industry and the social sector
  236. Effects of the environment on transmission and symptom expression in the soil-borne barley mosaic viruses
  237. Epidemiology in relation to control of grey mould (Botrytis cinerea) on sunflower
  238. Generation of a ribosomal DNA probe by PCR and its use in identification of fungi within the Gaeumannomyces - Phialophora complex
  239. Synergism between methods for inhibiting the spoilage of damp maize during storage
  240. New information about take-all decline and its relevance to research on the control of take-all by biological control agents
  241. Resistance to thiabendazole in Fusarium species isolated from potato tubers affected by dry rot
  242. The occurrence of Verticillium dahliae on linseed in the UK
  243. Occurrence and pathogenicity of Alternaria spp. on linseed in the UK
  244. A species of Unguicularia on oilseed rape, and its importance in studies of the epidemiology of light leaf spot (Pyrenopeziza brassicae)
  245. Resistance responses of albino leaves of Triticum timopheevii mutants inoculated with Erysiphe graminis f.sp. tritici
  246. Abiotic induction of glucosinolate synthesis in Brassica napus
  247. Soil geochemical atlas of England and Wales
  248. Environmental consequences of changes in arable agriculture
  249. Evidence from paleosols for global climatic change during the last interglacial/glacial cycle
  250. Evaluation of drainage, cultivation and crop management on the leaching of nitrate under arable crops on a clay soil
  251. Angewandte Quatargeologie
  252. Unwanted nitrate
  253. Improving nutrient-use efficiency
  254. The management of inputs for a sustainable arable system
  255. Monitoring survival of genetically-modified Rhizobium in the field
  256. Quaternary environments and their impact on British soils and agriculture
  257. A new ERA for Rothamsted
  258. The Rothamsted Farm Management system
  259. Genstat 5 topic course notes - statistical modelling: regression, curve fitting and generalized linear models
  260. Patterns of variability on terraces in Nepal
  261. An expert system for the evaluation of nutrient fertilisation requirements of fruit crops
  262. Weather station guide
  263. Expander unit guide
  264. Loading data into the Electronic Rothamsted Archive
  265. Data protection in the Electronic Rothamsted Archive
  266. Envirocon reference manual
  267. Minicon reference manual
  268. User guide: using the Novell network
  269. User guide: an expert system for nutrient fertilisation of field crops
  270. The Inventory PC database
  271. PSYCHROMETER (Aspirated screen)
  272. EMTEX: running EMTEX a Latex translater
  273. Generalized additive models in Genstat: flexible nonparametric modelling extensions
  274. Putting the nitrate issue in perspective
  275. The use of hydrochloric acid to improve the germination of sugar-beet seed
  276. The effects of pellet type, and insecticides applied to the pellets on plant establishment and pest incidence in sugar beet in some European countries
  277. Effect of imidacloprid on transmission of viruses by aphids in sugar beet
  278. Sugar beet protection - current strategies and future perspectives
  279. Pests of Chenopodiaceous crops
  280. Some reflections on the relationship between endogenous hormones and light-mediated seed dormancy
  281. Pests of sugar beet in the UK
  282. Estimation de la concentration en chlorophylles de feuilles par mesure de leur reflectance ou par analyse numerique de photographies prises au laboratoire
  283. Light trap newsletter
  284. Forecasting based on 20 years data on populations of Aphis fabae in Southern England - the significance of weather
  285. Paleopedology at and after the XIII INQUA Congress, August 2-9, 1991, Beijing
  286. Observations on the bulking and development of tuber size distribution in maincrop potatoes at Rothamsted in 1964-75
  287. Observations on the desiccation survival of second stage juveniles of the rice cyst nematodes, Heterodera sacchari, H. oryzae and H. oryzicola
  288. Linseed diseases in the UK and their control
  289. Selection of isolates and methods of culturing Verticillium chlamydosporium and its efficacy as a biological control agent of beet and potato cyst nematodes
  290. Immunological differentiation of root-knot nematodes (Meloidogyne spp.) using monoclonal and polyclonal antibodies
  291. Use of biochemical markers to study the interaction of insecticide resistance genes
  292. Fungicide treatment of seed tubers infected with thiabendazole- resistant %Helminthosporium solani and Polyscytalum pustulans for controlling silver scurf and skin spot on stored progeny tubers
  293. Emergence of juvenile potato cyst-nematodes Globodera rostochiensis and G. pallida and the control of G. pallida
  294. Control of potato golden cyst-nematode, Globodera rostochiensis, by nematicides applied once or twice in two rotations
  295. Molecular biology of insecticide resistance
  296. Esterase genes conferring insecticide resistance in aphids
  297. Semiochemicals: molecular determinants of activity and biosynthesis
  298. Potential applications of semiochemicals in aphid control
  299. Semiochemically-mediated behaviour
  300. The perception of semiochemicals
  301. Stem canker (Rhizoctonia solani) on three early and three maincrop potato cultivars: effects of seed tuber size on growth and yield
  302. Use of field simulators to investigate integrated chemical and biological control tactics against the cotton whitefly, Bemisia tabaci
  303. Winter oilseed rape gross margins in relation to inputs and price
  304. Release and dispersal of Sclerotinia ascospores in relation to infection
  305. The value of statistical models in aphid forecasting
  306. Field simulators: a novel approach for evaluating the impact of pesticides on beneficial arthropods in the laboratory
  307. The future of chemical pest control
  308. The ecology of coccinellids on farmland
  309. The possible effects of climate change on aphid-transmitted viruses of temperate crops
  310. The epidemiology of barley yellow dwarf virus in spring-sown cereals and the potential for its control
  311. Interspecific differences in the nematode surface coat between Meloidogyne incognita and Meloidogyne arenaria related to the adhesion of Pasteuria penetrans
  312. A European guideline for testing the effects of plant protection products on arthropod natural enemies
  313. Plant virus sequences in the EMBL and GenBank nucleotide sequence databases
  314. The release of toxic heavy metals from acidifying derelict (abandoned) farmland
  315. The significance of ecology in the development of Verticillium chlamydosporium as a biological control agent against root-knot nematodes (Meloidogyne spp.). PhD thesis, Landbouwuniversiteit Wageningen
  316. New versions of Genstat
  317. Bees have a vital role in agriculture
  318. The effect of crop nutrition on sugar beet quality
  319. The saga of Genstat 5 release 3
  320. Herbicide resistance in the weed Alopecurus myosuroides (Black-grass): the current situation
  321. Pesticide application and deposition - their importance to pesticide leaching to surface water
  322. Quaternary geology and soil properties
  323. Soil erosion on the Lower Greensand at Woburn Experimental Farm, Bedfordshire - evidence, history and causes
  324. Effects of media components on toxicity of Cd to Rhizobia
  325. The occurrence of the thaumatin-like, pathogenesis-related protein, PR-5, in intercellular fluids from Nicotiana species and from an interspecific Nicotiana hybrid
  326. First expression of a plant membrane transporter protein in Xenopus oocytes
  327. Functional expression of a plant plasma membrane transporter in Xenopus oocytes
  328. Mineralization and assimilation in soil-plant systems
  329. The origin of very flinty dry-valley deposits in the Marlow area, Buckinghamshire, England
  330. Development of probenecid-sensitive Lucifer Yellow transport system in vacuolating oat aleurone protoplasts
  331. Sucrose and cell water relations
  332. Magnesium homeostasis
  333. Intracellular compartmentation of ions in barley leaves
  334. Cell-to-cell variation in vacuole solute content
  335. Ion concentrations in individual epidermal cells of Hordeum vulgare
  336. Anion concentrations and osmotic pressure in wheat leaf epidermal cells
  337. Uptake of fluorescent probes by oat aleurone protoplasts
  338. The effect of nitrate nutrition on the water relations of wheat leaf cells
  339. Functional expression of a plant plasma membrane transporter in Xenopus oocytes
  340. Measurement of intracellular free magnesium in plant cells using magnesium selective microelectrodes
  341. Use surplus land for leaves to feed livestock
  342. Methods for measuring nitrate leaching
  343. The enhancer lies in the soil
  344. Physiology of sugar beet quality
  345. Calculating net primary production and annual input of organic matter to soil from the amount of radiocarbon content of soil organic matter
  346. Functional analysis of the promoter region of a nodule-enhanced glutamine synthetase gene from Phaseolus vulgaris L.
  347. General balance, combination of information and the analysis of covariance
  348. A method of estimating the slope of upper bounds of plots of body size and abundance in natural animal assemblages
  349. New opportunities in agricultural science: the IACR Rothamsted - University of Nottingham link
  350. Detection of virus in aphids as an aid to forecasting virus yellows
  351. The effect of sowing date on infection of sugar beet by Polymyxa betae
  352. Broom's Barn - the UK national center for sugar-beet research
  353. Genetic, physiological, agronomic and biotechnological contributions towards sugar beet productivity
  354. Effects of straw incorporation on the yield, nitrogen fertilizer and insecticide requirements of sugarbeet (Beta vulgaris)
  355. Sugar-beet treatments, water supply and depth of sowing
  356. Beet cyst nematode
  357. Surveys of beet cyst nematode (Heterodera schachtii Schmidt) in England
  358. Soil microbial biomass and organic matter dynamics in northern European and tropical soils at elevated temperatures
  359. Autumn and winter management of the land
  360. Purification and properties of a phosphatase in French bean, Phaseolus vulgaris L. leaves that hydrolyses 2'-carboxy-D-arabinitol-1-phosphate
  361. Soil microbial biomass and organic matter dynamics in Northern European and tropical soils at elevated temperatures
  362. Effects of pesticides on the soil microbial biomass and microbial activity
  363. El enterrado de la paja de cereal como practica para reducir la contaminacion de las aguas por nitratos
  364. Advances in soil organic matter research: the impact on agriculture and the environment
  365. Toxic concentrations of iron and manganese in leaves of Phaseolus vulgaris L. growing on freely-drained soils of pH 6.5 in northern Tanzania
  366. The implications for weeds and weed control of practices to reduce nitrate leaching
  367. Effects of pre-harvest treatment on the yield and quality of winter oilseed rape
  368. Nitrate is actively transported at the tonoplast of barley root cells.
  369. Asymmetric distribution of ions between epidermal and mesophyll cells in barley leaves.
  370. Kinetics of the vacuolar H+-pyrophosphatase: the roles of magnesium pyrophosphate and their complexes as substrates, activators and inhibitors.
  371. Improving nutrient use efficiency.
  372. Long term study of possible climatic effects on aphid flight phenology
  373. Patterns of density dependence in moths and aphids
  374. Local spatial coccinellid population dynamics
  375. Effects of temperature, feeding position and crop growth on the population dynamics of the rose grain aphid, Metopolophium dirhodum (Hemiptera: Aphididae)
  376. The Rothamsted insect survey light trap network
  377. Rothamsted farmland ecology project: interesting Lepidoptera records for July 1991
  378. Rothamsted farmland light trap network: interesting Lepidoptera records, January to June 1991
  379. A new larval foodplant for captive rearing of Hypena obsitalis Hubner, the Bloxworth Snout
  380. Molecular analysis of the interactions between cyst nematodes and their hosts
  381. Microbial emissions from composts made for mushroom production and from domestic waste
  382. Nematoda and nematomorpha
  383. Joint effort links field and store
  384. Seasonal changes in primary and secondary inoculum during epidemics of leaf blotch (Rhynchosporium secalis) on winter barley
  385. Longidorus orongorongensis n. sp. (Nematoda: Dorylaimida) from subsoil of conifer/broadleaved forest
  386. Cold tolerance mechanisms in the eggs of Globodera rostochiensis
  387. Identification of Gaeumannomyces graminis var. tritici and G. graminis var. avenae using a DNA probe and non-molecular methods
  388. Immune response to flour and dust mites in a United Kingdom bakery
  389. Resistance '91: achievements and developments in combating pesticide resistance
  390. Insecticide resistance by gene amplification in Myzus persicae
  391. Analysis of insecticide resistance in the whitefly, Bemisia tabaci
  392. Isolation in vitro of Strongwellsea castrans (Fungi: entomophthorales) a pathogen of adult cabbage root flies, Delia radicum (dipt.: anthomyiidae)
  393. Key factors in the development of fungal agents for the control of cyst and root-knot nematodes
  394. Seasonal differences in occurrence and the effects of diseases on linseed at Rothamsted, 1988-1990
  395. Insect infestations on linseed in the south east of England
  396. An accessible and inexpensive inventory system for mass storage of insects within a chest freezer
  397. Molecular determinants of pheromone activity
  398. Purification, characterisation and serological properties of two virus isolates associated with the maize stripe disease in Mauritius
  399. Honeydew as an ovipositional stimulant for two species of syrphids
  400. Effects of environment on growth and mycotoxin production by Alternaria species
  401. Localisation of barley mild mosaic virus in infected barley cells by immuno-colloidal gold labelling
  402. The influence of aphids and honeydew on the leaving rate of searching aphid parasitoids from wheat plants
  403. Splash dispersal of spores of Pseudocercosporella capsellae (White leaf spot) from oilseed rape leaves of different inclination, flexibility and age
  404. Forecasting the need for early season aphid control: geographical variation in the relationship between winter temperature and early season flight activity of Myzus persicae
  405. Barley yellow dwarf
  406. Role of seed lipids on Aspergillus parasiticus growth and aflatoxin production
  407. Incidence - severity relationships for grey mould (Botrytis cinerea) on sunflower heads
  408. The production and release of plant pathogen spores in oilseed rape crops
  409. The release of Sclerotinia sclerotiorum ascospores in sunflower crops
  410. Interactions between water activity, temperature and different species on colonisation of grain and mycotoxin formation
  411. Physical factors influencing the splash dispersal of plant pathogen spores
  412. Respiration and fungal deterioration of stored grains
  413. Dispersal of pathogens in relation to development of diseases on linseed
  414. Effects of fungicide timing on fungal diseases, growth and yield of linseed
  415. The incidence of pathogens in honey bee (Apis mellifera L) colonies in Finland and Great Britain
  416. Hatching behaviour of six successive generations of the pigeon-pea cyst nematode, Heterodera cajani, in relation to growth and senescence of cowpea, Vigna unguiculata
  417. A split root method for observing female cyst nematodes developing on roots in the absence of soil
  418. Variations in life cycle strategies of the aphid Rhopalosiphum padi and their implications for forecasting
  419. Monitoring vector aphid dynamics
  420. Oilseed rape: a new allergen?
  421. Establishment of pathogens in insect populations
  422. The effects of deep cultivation and oxamyl on control of potato cyst-nematode, Globodera rostochiensis
  423. The Rothamsted insect survey: an approach to aphid research
  424. Sources of resistance to stem nematode, Ditylenchus dipsaci (Kuhn) Filipjev, in species of Medicago and Trifolium
  425. Aphid life cycle strategies in a changing environment: the implications for barley yellow dwarf virus epidemiology
  426. A glycoprotein in the amphids of Meloidogyne incognita
  427. Rothamsted farmland light trap network: interesting Lepidoptera records, October to December 1990
  428. The influence of host food plants on host recognition by four aphidiine parasitoids (Hymenoptera: Braconidae)
  429. Enzymes released during hatching of Globodera rostochiensis and Meloidogyne incognita
  430. The effect of fungal application rate and nematode density on the effectiveness of Verticillium chlamydosporium as a biological control agent for Meloidogyne incognita
  431. The effect of temperature and nematode species on interactions between the nematophagous fungus Verticillium chlamydosporium and root-knot nematodes (Meloidogyne spp.)
  432. Stylet activities and potato virus Y vector efficiencies by the aphids Brachycaudus helichrysi and Drepanosiphum platanoidis
  433. Proteins involved in the attachment of a hyperparasite, Pasteuria penetrans, to its plant-parasitic nematode host, Meloidogyne incognita
  434. Stem and bulb nematode, Ditylenchus dipsaci, associated with a dry rot of potato tubers
  435. Virus detection in aphids (Homoptera: aphididae) kept in a storage solution for suction trap catches
  436. Rothamsted Insect Survey twenty-second annual summary
  437. The proteinaceous granules of the sub-ventral glands of cyst nematodes
  438. Rothamsted Farmland Ecology light trap network: interesting Lepidoptera records for August 1991
  439. The effect of imidacloprid on the behaviour and mortality of aphid vectors of barley yellow dwarf virus
  440. Hatching behaviour of six successive generations of Heterodera cajani in relation to host growth and senescence
  441. FLYPAST. An information management system of the Rothamsted aphid database to aid pest control research and advice
  442. Characterisation of the delta11-palmitoyl-CoA-desaturase from Spodoptera littoralis (Lepidoptera: Noctuidae)
  443. Pest control - novel approaches based on plant secondary metabolism
  444. Potential of secondary metabolites in genetic engineering of crops for resistance
  445. The development of a chemoreceptive neurophysiological assay for the field slug, Deroceras reticulatum (Mull.)
  446. Airborne spores at high altitude: their collection and occurrence
  447. Eyespot of cereals
  448. Strategies for the control of sclerotinia
  449. Effect of antioxidants and propionic acid on lipid peroxidation and moulding in stored sorghum (Sorghum bicolor (L.) Moench) and rice (Oryza sativa L.)
  450. Effect of nitrogen rate and timing on barley yellow mosaic virus
  451. Epidemiology in relation to control of white leaf spot (Mycosphaerella capsellae)
  452. The changing face of take-all: evidence, causes and implications
  453. Alternaria diseases of linseed
  454. Changes in oilseed crop production and disease incidence
  455. Occurrence of Verticillium dahliae on linseed Linum usitatissimum in the UK and Germany
  456. Epidemiology and early detection of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape in the UK
  457. Soil-borne mosaic viruses of cereals: the UK situation
  458. Fungally-transmitted mosaic viruses of barley
  459. Nitrogen uptake by cover crops
  460. The mechanism of nitrate transport across the tonoplast of barley root cells
  461. Towards a measurement of the community structure of the soil microbial biomass
  462. The effects of air-drying and rewetting cycles on the turnover of the soil microbial biomass
  463. Microbial biomass C and P dynamics during decomposition of glucose and plant material in soil
  464. Microbial transformations of N following field incorporation of straw at cereal harvest
  465. Microbial biomass and organic matter dynamics in metal-contaminated soils
  466. Chemical extractability of heavy metals during and after long-term applications of sewage sludge to soil
  467. Comparison of univariate stochastic models, transfer function and bivariate stochastic models
  468. Brown-rice bait-bags for monitoring insect pest populations in bag stacks of milled rice as an aid to pest control decision-making
  469. Virus Yellows in 1991
  470. Mangold fly mania
  471. Coping with stress
  472. New seed treatment options for sugarbeet pest control
  473. The host range of Polymyxa betae in Britain
  474. Effect of established and novel aphicides on resistant Myzus persicae (Sulz.) on sugar beet under field cages
  475. Weed beet in decline
  476. Crop plants effects on field populations of rhizobia
  477. The fate of residual fertilizer N in arable soils
  478. The identification and classification of Rhizobium and Bradyrhizobium
  479. The chlorobenzene content of archived sewage sludges
  480. Assessment of free-living nitrogen fixation activity as a biological indicator of heavy metal toxicity in soil
  481. The Geochemical Survey of Topsoils in England and Wales
  482. Factors affecting glucosinolate variation
  483. Compartmentation of nitrate
  484. Photosynthetic response of winter wheat grown in elevated CO2
  485. Rubisco mutagenesis and partitioning of the RuBP between caboxylation and oxygenation
  486. Regulation of Rubisco activity
  487. The interaction between Rubisco and Rubisco activase
  488. Gas exchange characteristics of Triticum aestivum and Hordeum vulgare at elevated CO2 and adequate or low N supply
  489. Interactions of avocado (Persea americana) cytochrome P-450 with monoterpenoids
  490. Cytochrome P-450 catalysed monoterpene hydroxylation in Nepeta mussinii
  491. Crop nutrition and fertiliser requirements for the double low oilseed rape crop
  492. Effects of drilling date on the growth and yield of sunflower (Helianthus annuus) in the UK
  493. Nitrogen application to oilseed rape and implications for potential leaching loss
  494. Effect of water stress on photosynthesis, leaf characteristics and productivity of field-grown Nicotiana tabacum L. genotypes selected for survival at low CO2
  495. Prediction of the competitive effects of weeds on the yields of several spring-sown arable crops
  496. A preliminary study into the distribution patterns of different growth forms of Arrhenatherum elatius (L) J & C Presl
  497. Effect of cultivations and herbicides on the occurrence of volunteer cereals. Final report of a 4-year grant, beginning April 1988 (HGCA Project 0086/1/87)
  498. The effect of cultivation and plant establishment on nitrogen conservation on set-aside land
  499. The effectiveness of winter cover crops in minimising nitrogen leaching loss
  500. Methods for measuring nitrate leaching from sandy soils
  501. Carbon and nitrogen cycling between organelles during photorespiration
  502. What to do with sewage sludge?
  503. Herbicide resistance in black-grass (Alopecurus myosuroides) (HGCA Project Report No 62)
  504. Unusual outliers
  505. Managing nitrate
  506. Survival of the indigenous population of Rhizobium leguminosarum biovar Trifolii in soil spiked with Cd, Zn, Cu and Ni salts
  507. Synthesis of microbial biomass from added glucose in metal-contaminated and non-contaminated soils following repeated fumigation
  508. Contact uptake of metal compounds and their molluscicidal effect on the field slug, Deroceras reticulatum(Muller) (Pulmonata: Limacidae)
  509. The geochemical survey of topsoils in England and Wales
  510. The relationship between inorganic N in soil and the rate of fertilizer N applied on the Broadbalk Wheat Experiment
  511. Strategies to reduce nitrate leaching by crop rotation, minimal cultivation and straw incorporation in the Brimstone Farm Experiment, Oxfordshire
  512. Methods for measuring nitrate leaching from sandy soils
  513. Nitrate and farming systems. Aspects of Applied Biology 30
  514. Methods for measuring nitrate leaching
  515. Potential contribution of ploughed grassland to nitrate leaching
  516. The analysis of North Carolina type II designs using Genstat
  517. Effects of sowing winter barley on different dates in autumn on the severity of take-all (Gaeumannomyces graminis var. tritici) in those and the subsequent crops
  518. Crop morphotypes of Lupinus albus suited to northern Europe
  519. Functional expression of a plant plasma membrane transporter in Xenopus oocytes
  520. Dependence of photosynthesis of sunflower and maize leaves on phosphate supply, ribulose-1,5-bisphosphate caboxylase/oxygenase activity, and ribulose-1,5-bisphosphate pool size
  521. Evidence for an increase in the cadmium content of herbage since the 1860s
  522. Evidence for a decline of PCBs and PAHs in rural vegetation and air in the United Kingdom
  523. The polynuclear aromatic hydrocarbon (PAH) content of herbage from a long-term grassland experiment
  524. N uptake by barley related to malting quality
  525. Current research into the soil microbial biomass
  526. Analysis of HMW glutenin subunits encoded by chromosome 1A of bread wheat (Triticum aestivum L.) indicates quantitative effects on grain quality
  527. Reseeding in the Falkland Islands. Herbage production of a range of grass species and cultivars
  528. Genstat Procedure Library news
  529. The regression save structure
  530. Minimization of a function
  531. Genstat - a tool for professionals
  532. Recent trends in soil pH and nutrient status in England and Wales
  533. Modelling grouped multivariate data using non-linear biplots
  534. Graphical methods for constructing data sets for which likelihood functions have multiple optima
  535. A critique on methods for making leaf juice
  536. NMR imaging of 14N in solution
  537. Metal tolerance of isolates of Rhizobium leguminosarum biovar Trifolii from soil contaminated by past applications of sewage sludge
  538. The chemical ecology of aphids
  539. Leaching of nitrate from arable land: final report to MAFF on contract CSA 1058
  540. Influence of soil type, crop management and weather on the recovery of 15N-labelled fertilizer applied to winter wheat in spring
  541. Computer modelling in nutrient management
  542. Partitioning losses of nitrogen fertilizer between leaching and denitrification
  543. Polynuclear aromatic hydrocarbons in crops from long-term field experiments amended with sewage sludge
  544. A comparison of nitrate-selective microelectrodes made with different nitrate sensors and the measurement of intracellular nitrate activities in cells of excised barley roots
  545. Even safer insecticides
  546. Visit to two research stations in New Zealand, Jan/Feb 1992
  547. The use of fish meal and monensin as supplements to grass silage and their effect on body composition changes in steers from 5 months of age to slaughter
  548. The role of the atmosphere in the cycling of selenium through soil-plant systems. PhD thesis, University of Lancaster
  549. The role of earthworms in managed, permanent pastures in Devon, England
  550. The physiological role of old stolon material in white clover (Trifolium repens L.)
  551. The North Wyke grassland drainage experiment
  552. The impact of two insecticides on predatory ground beetles (Carabidae) in newly-sown grass
  553. The impact of the chemical removal of the hedge-base flora on the community structure of carabid beetles (Col Carabidae) and spiders (Araneae) of the field and hedge bottom
  554. The effects of sward height and level of concentrate supplementation on milk production of spring-calving dairy cows grazing grass-clover swards
  555. The effect of cutting on the proportions of white clover in mixtures
  556. The carabid fauna of sown conservation margins around arable fields
  557. Statistical considerations in the design of grazing experiments
  558. Simulation of nutrient digestion, absorption and outflow in the rumen: model evaluation
  559. Report on the AFRC-ADAS Drainage Experiment 1982-1992
  560. Renovation and exploitation of hedges around grassland
  561. Relative susceptibility of four Italian ryegrass (Lolium multiflorum ) cultivars to attack by frit fly larvae (Oscinella spp.)
  562. Regression analyses for multicollinear data using Genstat
  563. Quality assurance: particular considerations in grazing trials
  564. Quality assurance for field research: consideration in grazing trials
  565. Phytotoxicity of a range of herbicides of potential use for broad-leaved weed control in ryegrass (Lolium spp.) swards
  566. Observations of water movement to and within mole drainage channels
  567. Not all sheep prefer clover: diet selection revisited
  568. More efficient use of fertilizer N on dairy farms
  569. Measuring aversion in domestic fowl using passive avoidance
  570. Low cost grass from home made nitrogen
  571. Impact of infection by the fungal endophyte (Acremonium lolii ) on ryegrass plants in the UK
  572. Grasslands for the future
  573. Gaseous emissions from an intensive dairy farming system
  574. FWAG/Mommersteeg arable field margins demonstration
  575. Further developments with Lotus screening in the UK
  576. Forage utilisation
  577. Forage mixtures for dairy cows: the effect on dry matter intake and milk production in British Friesian dairy cows of incorporating different proportions of maize silage into diets based on grass silage of differing energy value
  578. Foliar fungal diseases of perennial ryegrass at 16 sites in England and Wales
  579. FLOCKPLAN: a decision support system for sheep producers in Britain
  580. Farming in 2042: grassland
  581. Evaluation of a mathematical model of sow metabolism
  582. Efficacy of tebuconazole in controlling foliar fungal diseases of perennial ryegrass and in extensive herbage yield
  583. Effects of plant material on ammonia volatilization from simulated urine applied to soil.
  584. Effects of moisture supply in the dry season and subsequent defoliation on persistence of the savanna grasses Themeda triandra , Heteropogon contortus and Panicum maximum
  585. Effect of ryegrass endophyte in mixed swards of perennial ryegrass and white clover under two levels of irrigation and pesticide treatment
  586. Effect of nitrogen supply on the growth and senescence of leaves of Lolium perenne with contrasting rates of leaf respiration
  587. Economic evaluation of drainage benefits from grassland
  588. Does the management of sown conservation margins affect carabid species diversity?
  589. Differential reaction of newly-sown ryegrass (Lolium spp.) cultivars to pesticide treatment
  590. Developments in legume use for beef and sheep
  591. Development of an automatic recording system for lying, standing and walking behaviour in sheep
  592. Contract No CSA 1057
  593. Body composition and performance of autumn-calving Holstein-Friesian dairy cows during lactation: chemical composition of the body
  594. Atmospheric deposition of metals to agricultural surfaces
  595. An isotope tracer experiment on a drained grassland soil: implications for the 'old water - new water' controversy
  596. Ammonia emissions from grassland systems: slurry applications and grazing
  597. A mathematical integration of energy and amino acid metabolism of lactating sows
  598. A Genstat procedure for ridge regression