1992

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