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  1. Desaturase (Patent WO 1999/033958 A2 )
  2. Desaturase Genes And Their Use (Patent WO 1999/027111 A1)
  3. Desaturase Genes And Their Use (Patent CA 2311472 A1)
  4. Active defence of herbivorous hosts against parasitism: adult parasitoid mortality risk involved in attacking a concealed stemboring host
  5. The attractiveness of different odour sources from the fruit-host complex on Leptopilina boulardi, a larval parasitoid of Frugivorous drosophila Spp.
  6. Arsenic adsorption by soils and iron-oxide-coated sand: kinetics and reversibility
  7. Reply...The sugar sensing story
  8. Is hexokinase really a sugar sensor in plants?
  9. Two SNF1-Related Protein Kinases from Spinach Leaf Phosphorylate and Inactivate 3-Hydroxy-3-Methylglutaryl-Coenzyme A Reductase, Nitrate Reductase, and Sucrose Phosphate Synthase in Vitro
  10. Genetic Analysis of Gibberellin Biosynthesis
  11. Regulation of spinach SNF1‐related (SnRK1) kinases by protein kinases and phosphatases is associated with phosphorylation of the T loop and is regulated by 5′‐AMP
  12. Modification of gibberellin production and plant development in Arabidopsis by sense and antisense expression of gibberellin 20‐oxidase genes
  13. John Malcolm Hirst, D.S.C. 20 April 1921 — 30 December 1997
  14. Isolation and characterization of polymorphic microsatellites in Cocos nucifera L.
  15. Characterisation of genetic diversity in potential biomass willows (Salix spp.) by RAPD and AFLP analyses
  16. Molecular cloning and functional expression of gibberellin 2-oxidases, multifunctional enzymes involved in gibberellin deactivation
  17. The localization and expression of the class II starch synthases of wheat
  18. The biogenesis of the plant seed oil body: Oleosin protein is synthesised by ER-bound ribosomes
  19. The accumulation of triacylglycerols within the endoplasmic reticulum of developing seeds of Helianthus annuus
  20. Plant desaturases: harvesting the fat of the land
  21. Histidine-41 of the cytochrome b(5) domain of the borage Delta(6) fatty acid desaturase is essential for enzyme activity
  22. Delta(6)-Unsaturated fatty acids in species and tissues of the Primulaceae
  23. Characterization and expression of a fatty acid desaturase from Borago officinalis
  24. Accumulation of Delta(6)-unsaturated fatty acids in transgenic tobacco plants expressing a Delta(6)-desaturase from Borago officinalis
  25. A growing family of cytochrome b(5)-domain fusion proteins
  26. Modelling C and N loss and decline of N mineralisation after grassland ploughing at catchment scale
  27. Strategies for reducing pollutant flow from contaminated land
  28. Isotope data to model measurable soil organic matter (SOM) pools
  29. Physical fractionation and stable isotopes to model SOM dynamics
  30. Response to comment on "Evidence for the presence of PCDD/Fs in the environment prior to 1900 and further studies on their temporal trends"
  31. Challenges in developing synthetic analogues of pesticidal natural products
  32. Desiccation survival of parasitic nematodes
  33. SOM sustainability and agricultural management - predictions at the regional level
  34. SOMNET in Africa and modelling C sequestration in agricultural soils
  35. Linking GIS and dynamic SOM models: estimating the regional carbon sequestration potential of agricultural management options
  36. Scaling up for SOC: comparing approaches for calculating regional SOC stocks
  37. Patterns of sulphur allocation in rape and wheat
  38. Evaluation of some herbaceous grasses as biomass crops in southern England
  39. Enhancing the carbon sink in agricultural soils
  40. Carbon sequestration in soils: improving our regional estimates
  41. Modelling carbon sequestration in agroecosystems
  42. Estimating regional C sequestration potential of agricultural management options using GIS and dynamic SOM models
  43. Estimating regional C sequestration potential of agricultural management options using GIS and dynamic SOM models
  44. Modelling nitrogen cycling in the arable systems of Nepal using SUNDIAL (IACR-Rothamsted Technical Report, revised version December 1999)
  45. Late summer grass production
  46. Immature inflorescence culture of cereals
  47. Somatic embryogenesis in barley suspension cultures
  48. Preventing and controlling herbicide-resistant grass weeds (HGCA Topic Sheet No. 22)
  49. Individual learning ability and complex odor recognition in the honey bee, Apis mellifera L.
  50. Aphids join the resistance
  51. Whitefly menace
  52. Aphids: never relax guard
  53. Challenges with managing insecticide resistance in agricultural pests, exemplified by the whitefly Bemisia tabaci
  54. Managing resistance to chloronicotinyl insecticides - rhetoric or reality?
  55. How should plant breeders screen for rice root growth through strong soil?
  56. Screening rice root growth under mechanical impedance. Final Technical Report of DFID Project No. R6373
  57. Patterns of potassium compartmentation in plant cells as revealed by microelectrodes and microsampling
  58. Atomic force microscopy of A-gliadin fibrils and in situ degradation
  59. The membrane permeabilizing effect of avenacin A1 involves the reorganisation of bilayer cholersterol
  60. Production and function of metabolites by entomopathogenous fungi, Tolypocladium spp.
  61. Cereal root and stem-base fungi and effects of seed treatment fungicides
  62. Electrophysiological analysis of nematode response
  63. Genetic manipulation of seed composition in barley
  64. Will Autumn-sown beet be grown in NW Europe by 2015?
  65. Biochemical characterisation of plant plasma membrane phosphate transporters
  66. Sustainable dryland smallholder farming in sub-Saharan Africa
  67. Modeling soil carbon dynamics in tropical ecosystems
  68. An aggregation pheromone system for monitoring pea leaf weevil (Coleoptera: Curculionidae) in the Pacific Northwest
  69. A new approach to characterising within-field pest distributions using mealy cabbage aphid (Brevicoryne brassicae ) on Brussels sprouts as an example
  70. Platygaster subuliformis (Kieffer) (Hym., Platygastridae) new to Britain, an egg-larval parasitoid of the brassica pod midge, Dasineura brassica Winnertz (Dipt., Cecidomyiidae)
  71. The ideal glucosinolate profile for pest resistance in oilseed rape
  72. Strengthening biometry and statistics in agricultural research: review of the CTA study
  73. A guide to the design and analysis of terrace experiments
  74. The field release and monitoring of GUS-marked rhizobial strain CT0370
  75. Nicotianamine chelates both Fe111 and Fe11. Implications for metal transport in plants
  76. Dual pathways for regulation of root branching by nitrate
  77. The pharmacological flexibility of the insect voltage gated sodium channel: toxicity of AaIT to knockdown resistant (kdr) flies
  78. The influence of floral character on the foraging behaviour of the hoverfly, Episyrphus balteatus
  79. Tagging of a MADS-box promoter in a hexaploid cereal
  80. Amplification and methylation of an esterase gene associated with insecticide-resistance in greenbugs, Schizaphis graminum (Rondani) (Homoptera: Aphididae)
  81. Photosynthetic energy balance and xanthophyll cycle in tobacco plants with decreased PRK activity and phosphate deficiency
  82. Is there scope for improving adaptation of photosynthesis of crop plants to elevated CO2?
  83. Manipulating Rubisco to improve photosynthesis
  84. A sodium channel point mutation is associated with resistance to DDT and pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer) (Hemiptera: Aphididae)
  85. Molecular approaches to study high affinity nitrate transport in Arabidopsis thaliana
  86. Indole glucosinolate and auxin biosynthesis in Arabidopsis thaliana (L.) Heynh. glucosinolate mutants and the development of clubroot disease
  87. The host range of Plasmodiophora brassicae and its relationship to endogenous glucosinolate content
  88. Interspecific variation in source/sink balance
  89. The response of pyriproxyfen-resistant and susceptible %Bemisia tabaci Genn (Homoptera: Aleyrodidae) to pyriproxifen and fenoycarb alone and in combination with piperonyl butoxide
  90. Action of extracts of Apiaceae on feeding behaviour and neurophysiology of the field slug Deroceras reticulatum
  91. Modeling effects of spatial patterns on the seed bank dynamics of Alopecurus myosuroides
  92. Insecticide resistance in the currant-lettuce aphid, Nasonovia ribisnegri (Hemiptera: Aphididae) in the UK
  93. Managing resistance to the insect growth regulator, pyriproxyfen, in Bemisia tabaci
  94. Kinetic microplate-based assays for inhibitors of mitochondrial NADH:ubiquinone oxidoreductase (complex 1) and succinate:cytochrome c oxidoreductase
  95. Investigations into coconut diseases of uncertain aetiology
  96. The effect of crucifer epicuticular waxes and leaf extracts on the germination and virulence of Metarhizium anisopliae conidia
  97. Field-simulator study of insecticide resistance conferred by esterase-, MACE- and kdr-based mechanisms in the peach-potato aphid, Myzus persicae (Sulzer)
  98. Dynamics of resistance to novel insecticides in whiteflies
  99. Thrips and their control
  100. Age-related cannibalism and horizontal transmission of a nuclear polyhedrosis virus in larval Spodoptera frugiperda
  101. Antifeedant properties of destruxins and their potential use with the entomogenous fungus Metarhizium anisopliae for improved control of crucifer pests
  102. Assessment of symbiotic nitrogen nutrition in marama bean (Tylosema esculentum L.), a tuber-producing underutilized African grain legume
  103. Molecular characterization and imidacloprid selectivity of nicotinic acetylcholine receptor subunits from the peach-potato aphid Myzus persicae
  104. Spatial discrimination of pheromones and behavioural antagonists by the tortricid moths Cydia pomonell and Adoxophyes orana
  105. SUNDIAL-FRS Version 1.1, 20th January 1999
  106. A Fortran dynamic link library (DLL) procedure to calculate carbon input to the soil knowing the total organic carbon of the soil
  107. A Fortran dynamic link library (DLL) procedure to calculate carbon input to the soil and inert organic matter content of the soil knowing the total carbon and radiocarbon content of the soil
  108. A Fortran dynamic link library (DLL) version of the Rothamsted carbon model ROTHC-26.3
  109. Visual Basic 6-interface for the Rothamsted carbon model
  110. Database processing of PCR fingerprinting of bacterial isolates from agricultural soils (Microsoft Access database)
  111. Metabolic pathways of agrochemicals, volume 2: insecticides and fungicides
  112. The herbicide glysophate and related molecules: physicochemical and structural factors determining their mobility in phloem
  113. Reinvestigacao sobre o feromonio sexual da broca pequena da cana-de-acucar Diatraea saccharalis (Lepidoptera, Pyralidae)
  114. Isolamento e identificacao de compostos volateis presentes em agua poluida que contribuem na escolha do sitio de oviposicao da femea do Aedes aegyyptii L. (Diptera: Culicidae)
  115. Chemical ecology of carniverous insects: nuisance pests and disease carriers
  116. Plant derived semiochemicals as part of an integrated mosquito control strategy
  117. Plant derived semiochemicals as part of an integrated mosquito control strategy
  118. Synthesis of prelactone B
  119. Prospects and progress in insecticide chemistry
  120. The potential of natural naphthoquinones as a new class of pest control agents
  121. Challenges in developing synthetic analogues of pesticidal natural products
  122. Sri Lankan plants with pest control properties
  123. A new insecticidal pyranocyclohexenedione from Kunzea ericifolia
  124. New insecticidal tetradecahydroxanthenediones from Callistemon viminalis
  125. An Umpolung approach to fluorinated non-ester pyrethroids
  126. The pyrethrins and related compounds. Part XLII: Structure-activity relationships in fluoro-olefin non-ester pyrethroids
  127. Screening of medicinal plants from Trinidad and Tobago for antimicrobial and insecticidal properties
  128. Isolation, characterization and biological activity of naphthoquinones from Calceolaria andina L.
  129. Viruses and plant disease
  130. Virus diseases of cereals
  131. Comparison of natural and artificial epidemics of take-all in sequences of winter wheat crops
  132. Proceedings of the International Workshop on the Impact of Lethal Diseases of Coconuts caused by Phytoplasmas in South East Asia
  133. Detection and diagnosis of African lethal yellowing-like diseases
  134. First report of virus and phytoplasma pathogens associated with yellow leaf syndrome of sugarcane in Cuba
  135. The effect of petal characteristics, inoculum density and environmental factors on infection of oilseed rape by Sclerotinia sclerotiorum
  136. Airborne ascospore concentration and the infection of oilseed rape and sunflowers by Sclerotinia sclerotiorum
  137. Exploitation of biotechnology in developing strategies for integrated control of Sclerotinia stem rot in rapeseed
  138. A study of the effect of disease on seed quality parameters of oilseed rape
  139. Sequences of European wheat mosaic virus and oat golden stripe virus and genome analysis of the genus Furovirus
  140. Influence of variety, drilling date and seeding rate on performance of winter barley varieties grown in the presence of barley mosaic virus. Home-Grown Cereals Authority Project Report No. 203
  141. RAPD-based inter- and intravarietal classification of fungi of the Gaeumannomyces-Phialophora complex
  142. Comparison between Polish and United Kingdom populations of Leptosphaeria maculans , cause of stem canker of winter oilseed rape
  143. The effect of climate on the release of ascospores of Leptosphaeria maculans (stem canker of oilseed rape)
  144. Forecasting light leaf spot of winter oilseed rape in the UK
  145. Leptosphaeria maculans
  146. Effects of diseases on the yield of winter linseed
  147. Infection of linseed by Alternaria linicola ; effects of inoculum density, temperature, leaf wetness and light regime
  148. Conditions for infection of winter oilseed rape leaves by conidia and ascospores of Pyrenopeziza brassicae , causing light leaf spot
  149. Optimising the use of fungicides to control stem canker of oilseed rape
  150. Improving strategies to control canker in the UK
  151. Yield loss of winter oilseed rape in relation to severity of stem canker (Leptosphaeria maculans ) in the UK
  152. Effects of temperature and wetness duration on infection of oilseed rape by ascospores of A-group or B-group Leptosphaeria maculans (stem canker)
  153. Epidemiology, forecasting and management of winter oilseed rape diseases in the UK
  154. The influence of wetness and temperature on the release of ascospores of Leptosphaeria maculans (blackleg) from oilseed rape debris
  155. Supplementary foliar N, P and K, applied individually or in combinations, and the tolerance of potatoes to infection by the potato cyst nematodes Globodera rostochiensis $ and G. pallida
  156. Basal fertiliser application method, tuber initiation nitrogen, foliar NPK and the tolerance of potatoes to infection by the potato cyst nematodes Globodera rostochiensis $ and G. pallida
  157. The causes of, and potential solutions to, yield instability in autumn-sown, determinate (restricted branching) white lupins (Lupinus albus L.)
  158. The role of pods and leaves for photosynthetic gas exchange in determinate white lupins (Lupinus albus L.)
  159. The intolerance of the white lupin (Lupinus albus L.) to alkaline soils and its adaptation to a patchy soil environment
  160. Organisation and objectives of the European LUPIN Programme
  161. The effect of time of assessment on predictions of yield loss from relative weed vigour
  162. A biological framework for developing a weed management support system for weed control in winter wheat: weed seed biology
  163. Role of competition and time of control
  164. Dormancy and persistence of volunteer oilseed rape. (HGCA Topic Sheet No. 24)
  165. Conference report: Gene Flow and Agriculture: Relevance for Transgenic Crops
  166. Switchgrass (Panicum virgatum L.) varieties in Europe
  167. Monitoring the growth and yield of crops grown as biofuels (ETSU B/W2/00548/11/REP)
  168. Diversity, epidemiology and the genetic control of host specificity in the genus Polerovirus
  169. Genetic modification of photosynthesis to reduce plant requirements for nitrogen fertilisers
  170. The spatial and temporal distribution of the grain aphid Sitobion avenae in winter wheat
  171. Factors affecting the relative abundance of two coexisting aphid species on sugar beet
  172. Transformation of durum wheat to alter dough functional properties and explore the trafficking and deposition of gluten proteins
  173. The role of sucrose synthase, sucrose phosphate synthase and invertase in the regulation of sucrose import into developing tomato fruit
  174. Overexpression of sucrose-phosphate synthase in wheat
  175. Regulation of assimilate partitioning in leaves
  176. Subcellular compartmentation and assay of L-galactonon- gamma-lactone dehydrogenase in potato leaves
  177. Genetic manipulation of glutathione biosynthesis
  178. Regulation of glutathione synthesis and compartmentation in response to stress
  179. Compartmentalization of glutathione reductase in maize leaves: effect of low temperatures
  180. The effect of ascorbate on cell division in the maize root meristem
  181. Subcellular compartmentation and assay of L-galactono-gamma-lactone dehydrogenase in potato leaves
  182. The genetic manipulation of sucrose phosphate synthase activity in tobacco
  183. Decrease in phosphoribulokinase activity by antisense RNA in transgenic tobacco: relationship between photosynthesis, growth, and allocation at contrasting nitrogen supplies
  184. Acclimation of Arabidopsis ecotypes to elevated CO2
  185. Distinguishing between source and sink limitations of photosynthesis in phosphate-limited tobacco
  186. Modelling interactions between carbon and nitrogen assimilation: redox state and ATP status during photosynthesis
  187. The role of oxidative stress in the responses of plants to atmospheric pollutants
  188. The use of a region from the Arabidopsis thaliana cystathionine gamma-synthase gene termed the MT01 region for controlled regulation of target genes
  189. Sulphur allocation in pods and seeds of oilseed rape
  190. Glucosinolate biosynthesis and pest/disease interactions
  191. Antisense RNA inhibition of pyruvate, orthophosphate dikinase and NADP malate dehydrogenase in the C4 plant Flaveria bidentis : analysis of plants with a mosaic phenotype
  192. Carbohydrate partitioning and fructose 2,6-bisphosphate in wheat leaves
  193. Regulation of carbohydrate partitioning in wheat leaves
  194. Carbohydrate metabolism and fructose 2,6-bisphosphate in wheat
  195. Compartmentation of potassium in salt stressed barley leaves
  196. Cloning and characterisation of xenobiotic inducible MRP homologues from wheat
  197. Measurement of ammonium in plant cells using ion-selective microelectrodes
  198. Nitrate signalling in plant cells
  199. Cloning and expression of sulfate transporters in wheat
  200. The plant sulfate transporter family
  201. Functional characterisation of NRT2 high-affinity NO3 transporters from higher plants
  202. The cloning and characterisation of nitrate influx and efflux systems
  203. The regulation and kinetic characterization of plant sucrose carriers
  204. Studies on the regulation of high-affinity NO3 transporters in barley
  205. Role of ABC transporters in herbicide metabolism
  206. The expression of a maize glutathione S-transferase gene in transgenic wheat
  207. The effect of agriculturally-relevant environmental factors on the expression and stability of genes affecting wheat lipids
  208. Effects on leaf lipid metabolism in transgenic wheat varieties containing the Pisum sativum glycerol 3-phosphate acyltransferase gene
  209. The effect of agriculturally-relevant environmental factors on the expression and stability of genes affecting wheat lipids
  210. Rubisco: attempts to reform a promiscuous enzyme
  211. Biochemistry of photorespiration and the consequences for plant performance
  212. Regulation of Rubisco
  213. Relationships between antioxidant metabolism and carotenoids in the regulation of photosynthesis
  214. Transgenic cereals: triticale and tritordeum
  215. The functions of ascorbate and ascorbate transport systems in plant membranes
  216. Salicylic acid and hydrogen peroxide in abiotic stress signalling in plants
  217. Transformation of pasta wheat (Triticum turgidum L. var. durum ) with high-molecular-weight glutenin subunit genes and modification of dough functionality
  218. Leaves in the dark see light
  219. Photoinhibition of photosystem II in tobacco plants overexpressing glutathione reductase and poplars overexpressing superoxide dismutase
  220. Analysis of particle bombardment parameters to optimise DNA delivery into wheat tissues
  221. Starch synthesis in tomato remains constant throughout fruit development and is dependent on sucrose supply and sucrose synthase activity
  222. Photosynthetic responses in spring wheat grown under elevated CO2 concentrations and stress conditions in the European, multiple-site experiment 'ESPACE-wheat'
  223. Effects on nutrients and on grain quality in spring wheat crops grown under elevated CO2 concentrations and stress conditions in the European, multiple-site experiment 'ESPACE-wheat'
  224. A facile method for screening for phosphinothricin (PPT)-resistant transgenic wheats
  225. Medium optimization for efficient somatic embryogenesis and plant regeneration from immature inflorescences and immature scutella of elite cultivars of wheat, barley and tritordeum
  226. Seeds get a wake-up call
  227. Decrease in phosphoribulokinase activity by antisense RNA in transgenic tobacco. Relationship between photosynthesis, growth and allocation at different nitrogen levels
  228. C-S lyase activities in leaves of crucifers and non-crucifers, and the characterization of three classes of C-S lyase activities from oilseed rape (Brassica napus L.)
  229. Variation in the glucosinolate content of vegetative tissues of Chinese lines of Brassica napus L.
  230. Biochemical characterisation of an aldoxime-forming flavoprotein involved in 2-phenylethylglucosinolate biosynthesis in Brassica species
  231. Local and systemic changes in glucosinolates in Chinese and European cultivars of oilseed rape (Brassica napus L.) after inoculation with Sclerotinia sclerotiorum (stem rot)
  232. A population of wheat and tritordeum transformants showing a high degree of marker gene stability and heritability
  233. 2'-Carboxy-D-arabitinol 1-phosphate protects ribulose 1,5-bisphosphate carboxylase/oxygenase against proteolytic breakdown
  234. Nucleotide sequence of Cla 30 (Accession No. Y17386), a xenobiotic- inducible member of the GST superfamily from Triticum aestivum L. (PGR99-049)
  235. Ascorbate metabolism in potato leaves supplied with exogenous ascorbate
  236. Interactions between increasing CO2 concentration and temperature on plant growth
  237. Sacbrood
  238. Paralysis
  239. TAXAKEY of aphids on the world's crops (Review)
  240. Use of fluorescent tracer techniques and photography to assess the efficiency of tillage incorporated granular nematicides into potato seed-beds
  241. Studies on invertebrate biodiversity
  242. Spatio-temporal dynamics of insect distributions in oilseed rape
  243. The subtilisins of fungal pathogens of insects, nematodes and plants: distribution and variation
  244. Interactions between aphid natural enemies: predators, parasitoids and the fungus Erynia neoaphidis
  245. Course control during foraging movements: observations using harmonic radar
  246. Parasitoid hosts
  247. The role of plant derived volatiles and learning in long range host-searching by the specialist parasitoid Cotesia plutellae (Hymenoptera: Braconidae)
  248. A bee flight room designed for studies of bee foraging behaviour
  249. Aphid-induced plant volatiles and the specific attraction of aphid parasitoids
  250. Insect resistant GM plants - a new opportunity or a threat to IPM?
  251. Insect resistant transgenic plants - assessing the threat and exploiting the opportunity
  252. Impact of GM crops on the environment (with emphasis on non-target organisms)
  253. How to assess any ecological impacts of insect resistant transgenic crops?
  254. Over what distances do honey bees fly to GM and conventional oilseed rape?
  255. Edge distributions of Ceutorhynchus assimilis and its parasitoid Trichomalus perfectus in a crop of winter oilseed rape (Brassica napus)
  256. Attachment tests of Pasteuria penetrans to the cuticle of plant and animal parasitic nematodes, free living nematodes and srf mutants of Caenorhabditis elegans
  257. Extracellular enzyme production by nematophagous fungi
  258. The virus, mite and model: a useful approach towards varroa control
  259. Two diseases of dimorphotheca caused by lettuce mosaic potyvirus and tomato spotted wilt tospovirus
  260. Immunolocalisation of Trichinella spiralis secreted and surface antigens with mAb produce against a plant-parasitic nematode
  261. Investigation of microbial pathogens in Apis florea
  262. Aerobiology of the aphid pathogen Erynia neoaphidis
  263. Elevated carbon dioxide and the pest status of herbivorous insects
  264. The potential impact of climate change on the incidence of insect-vectored plant viruses
  265. Induction and systemic release of herbivore-induced plant volatiles mediating in-flight orientation of Aphidius ervi
  266. Responses to aphid sex pheromones by the pea aphid parasitoids Aphidius ervi and Aphidius eadyi
  267. The nucleotide sequence of sacbrood virus of the honey bee: an insect picorna-like virus
  268. Interactions between nematode cuticles and potential microbiological control agents
  269. Immunolocalisation in planta of nematode secretions
  270. Effect of snowdrop-lectin GNA (Galanthus nivalis ) agglutinin on an aphid parasitoid, Aphelinus abdominalis
  271. Vertical-Looking Radar: a powerful new tool for monitoring insect flight at altitude
  272. Use of Verticillium chlamydosporium as a biological control agent of root-knot nematodes (Meloidogyne spp.)
  273. Vertical-Looking Radar: a powerful new tool for monitoring insect flight at altitude
  274. Occurrence of acute paralysis virus of the honey bee (Apis mellifera ) in a Hungarian apiary infested with the parasitic mite Varroa jacobsoni
  275. Understanding virus prevalence and transmission in the presence of Varroa jacobsoni
  276. Varroa jacobsoni as a vector of honey bee pathogens
  277. Honey bee viruses
  278. An introduction to viruses and techniques for their identification and characterisation
  279. Bee disease diagnosis (Options mediterraneennes. Serie B: etudes et recherches. Numero 25)
  280. Modelling the N-dynamics of a wheat-sugar beet rotation at different complexity
  281. Modelling growth of sugar beet under drought stress - scaling from field to catchment
  282. Modelling ET and sugar beet growth - uncertainties from climatic input for model parameterisation
  283. Variability of winter rye grain yield in a glacial plain catchment - modelling and observation
  284. Using long-term experiments to address current agricultural and environmental issues
  285. Do changes in land management influence soil microbial function?
  286. Microbial diversity - an indication of soil quality?
  287. Use of molecular and isotopic techniques to monitor the response of autotrophic ammonia-oxidizing populations of the beta subdivision of the class Proteobacteria in arable soils to nitrogen fertilizer
  288. Organic matter turnover in a calcareous clay soil from Syria under a two-course cereal rotation
  289. A review of decision support systems for fertiliser application and manure management
  290. RothC-26.3: a model for the turnover of carbon in soil. Model description and Windows Users' guide: November 1999 issue
  291. The analysis of designed experiments and longitudinal data using smoothing splines
  292. A comparison of two survival analysis methods with the number of lactations as a discrete time value
  293. Forecasting light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape (Brassica napus ) on the Internet
  294. Quantification of rainsplash for improved prediction of Septoria disease risk
  295. Soil as an indicator of sustainability
  296. Aphid responses to non-host epicuticular lipids
  297. Parasitoid behaviour and Bt plants
  298. The role of volatiles from cruciferous plants and pre-flight experience in the foraging behaviour of the specialist parasitoid Cotesia plutellae
  299. Globodera pallida Stone A.R. 1973
  300. Globodera rostochiensis (Wollenweber, 1923) Behrens, 1975
  301. Punctodera chalcoensis
  302. Heterodera goettingiana Liebscher, 1892
  303. Cactodera cacti (Filipjev & Schuurmans Stekhoven, 1941) Krall & Krall, 1978
  304. Heterodera schachtii A. Schmidt, 1871
  305. Globodera tabacum Lownsbery, B.F. and Lownsbery, J.W., 1954
  306. Emergence and partial characterization of rice stripe necrosis virus and its fungus vector in South America
  307. Volatile isoprenoids that control insect behaviour
  308. Tracking bees with radar
  309. A model for the temporal buildup of Polymyxa betae
  310. Broom's Barn farm and field experiments report
  311. Update from Broom's Barn plant clinic
  312. Bad patches in sugar beet
  313. A sugar beet plant clinic
  314. Beet mild yellowing virus datasheet
  315. Monitoring wilting in sugar beet with SAR
  316. The Luteoviridae
  317. Environmental impact of disease resistance in genetically modified plants
  318. Properties of geographically isolated strains of beet mild yellowing virus and beet western yellows virus
  319. Effects of beet western yellows virus on growth and yield of oilseed rape (Brassica napus )
  320. Potential benefits and problems of autumn sown beet in N.W. Europe
  321. The origins of yield improvement in the national sugar beet crop since 1970
  322. The weight and processing quality of components of sugar beet (Beta vulgaris L.) roots
  323. Report for season 1998: Broom's Barn (Report for IMPHOS Western European Network)
  324. Sugar beet storage through until March on farms (Confidential report for NFU)
  325. Using molecular markers to understand rhizomania and powdery mildew resistance
  326. Biology of sugar beet rust
  327. Biology of sugar beet powdery mildew
  328. Uromyces beticola datasheet
  329. Erysiphae betae datasheet
  330. Forty years of forecasting virus yellows incidence in sugar beet
  331. Seed size and its effect on development in sugar beet
  332. The effects of drought on sugar beet growth in isolation and in combination with beet yellows virus infection
  333. Evaluation of opportunities for dissemination of national pest and disease information (Home-Grown Cereals Authority Project Report No. 198)
  334. Sugar-beet rhizomania: the spread of a soil-borne disease
  335. Overview of the work on cracking clay soils at Brimstone farm
  336. Metal uptake by plants from sludge-amended soils: caution is required in the plateau interpretation
  337. Water, carbon and nitrogen cycling in a rendzina soil cropped with oilseed rape: the Chalons Oilseed Rape Database
  338. Amendments to reduce trace element mobility
  339. Design, development and use of a national survey of fertiliser applications
  340. Potassium content in soil, uptake in plants and the potassium balance in three European long-term field experiments
  341. Measurement of solute fluxes in macroporous soils: techniques, problems and precision
  342. Molecular characteristics of British and Chinese barley yellow mosaic bymovirus isolates
  343. The host relationship of aphid parasitoids of the genus Praon (Hymenoptera : Aphidiidae) in agroecosystems
  344. Genetic engineering of wheat for polyamine modification. PhD thesis, University of Nottingham
  345. Photosynthetic carbon and energy balance in tobacco: relation to phosphoribulokinase and phosphate
  346. The analysis of host-parasitoid relationships at various spatial scales
  347. Interaction between nematodes and biocontrol agents with potential for use in biomanagement systems
  348. Processes involved in controlling phosphorus release to surface and sub-surface runoff
  349. Investigation into the mechanism of virus transmission in a non-persistent manner without helper factors
  350. The role of surface and secreted antigens in the host-parasitic interaction of plant and animal nematodes
  351. Sulphur cycling in soil-plant-atmospheric systems
  352. Molecular characterisation of insect nicotinic acetylcholine receptors. PhD thesis, University of Nottingham
  353. Inducible honey bee viruses associated with Varroa jacobsoni
  354. The cell physiology of barley salt tolerance
  355. The damage potential of the root-lesion nematode Pratylenchus bolivianus in the UK
  356. Production and function of destruxins; toxins from Metarhyzium spp
  357. Induction of systemic resistance to Albugo candida in Brassica juncea by pre- or coinoculation with an incompatible isolate
  358. Molecular variations of Chinese isolates of barley yellow mosaic bymovirus
  359. Insecticidal, antifeedant and growth inhibitory activities of efrapeptins, metabolites of the fungus Tolypocladium
  360. Genetic analysis of longevity data in the UK: present practice and considerations for the future
  361. Prospects for statistical methods in dairy cattle breeding
  362. Effects of severity and timing of stem canker (Leptosphaeria maculans ) symptoms on yield of winter oilseed rape (Brasica napus ) in the UK
  363. 'Observations of Weather' The Weather Diary of Sir John Wittewronge of Rothamsted 1684-89 (Hertfordshire Records Publications, Vol. 15)
  364. Epidemiology of Leptosphaeria maculans in relation to forecasting stem canker severity on winter oilseed rape in the UK
  365. Weed and disease control in winter linseed. HGCA Topic Sheet No. 30
  366. Optimising fungicide timing for control of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK
  367. Implementation of results from rain tower experiments into a simulation model for vertical spore distribution
  368. Timing and infection of sunflowers by Sclerotinia sclerotiorum and disease development
  369. Agronomic studies of early and late maturing sunflower varieties in the UK
  370. Occurrence and importance of diseases of winter linseed
  371. Canker control strategies in oilseed rape
  372. Pathogenicity of Verticillium dahliae to spring linseed
  373. Infectivity of ascospores of Pyrenopeziza brassicae on leaves and factors affecting maturation of apothecia on debris of oilseed rape
  374. Conditions for infection of winter oilseed rape leaves by conidia and ascospores of Pyrenopeziza brassicae , causing light leaf spot
  375. Assessment of grey mould (Botrytis cinerea ) on sunflower heads
  376. The phytoplasma associated with Ramu Stunt disease of sugarcane is closely related to the white leaf phytoplasma group
  377. Molecular analysis of barley yellow mosaic virus isolates from China
  378. Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker)
  379. Effects of number of winter wheat crops grown successively on fungal communities on wheat roots
  380. First report of yellow leaf syndrome of sugarcane in Morocco
  381. Potato derived protease inhibitors for resistance against PCN in transgenic potatoes
  382. Adaptation of a population dynamics model for prediction of potato cyst nematode distribution within fields
  383. Identification of populations of potato cyst nematodes from Russia using protein electrophoresis, rDNA-RFLPs and RAPDs
  384. Responses of Russian wheat aphid (Homoptera: Aphididae) to aphid alarm pheromone
  385. Norman Wingate Pirie: 1 July 1907-29 March 1997
  386. Comparison of 15N labelling methods to measure gross nitrogen mineralisation
  387. Integrated control strategies for potato cyst nematodes
  388. Influence of synthetic oviposition pheromone and volatiles from soakage pits and grass infusions upon oviposition site-selection of Culex mosquitoes in Tanzania
  389. Could the analysis of light reflected from the potato crop be used as a diagnostic assay for infection by potato cyst nematodes?
  390. 9-Methylgermacrene-B is confirmed as the sex pheromone of the sandfly Lutzomyia longipalpis from Lapinha, Brazil, and the absolute stereochemistry defined as S
  391. The effect of spatial scale on interactions between two weevils and their food plant
  392. A two-step multiplex RT-PCR method for simultaneous detection of soil-borne wheat mosaic virus and wheat spindle streak mosaic virus from France
  393. Management of potato nematodes
  394. Pollen beetle, Meligethes aeneus Fabricius, incidence in the composite hybrid winter oilseed rape, Synergy
  395. Evidence for autoregulation of cystathione gamma-synthase mRNA stability in Arabidopsis
  396. Molecular comparisons amongst wheat bymovirus isolates from Asia, North America and Europe
  397. The Molecular Biology Notebook (CD-ROM)
  398. The Molecular Biology Notebook on CD-ROM - a step toward the virtual laboratory
  399. Factors affecting degradation rates of five triazole fungicides in two soil types: 2. Field studies
  400. Factors affecting degradation rates of five triazole fungicides in two soil types: 1. Laboratory incubations
  401. Evaluation of application techniques and materials for the production of Verticillium chlamydosporium in experiments to control root-knot nematodes in glasshouse and field trials
  402. Physiological changes in Globodera rostochiensis J2s induced by tomato and potato root diffusates
  403. COST Action 829: fundamental, agronomical and environmental aspects of sulphur nutrition and assimilation in plants. Progress report 1997/98 (EUR 18952)
  404. PCR and sequence based strategies for the detection of ACCase inhibitor resistance in grass weeds
  405. The performance of autumn-sown determinate white lupins (Lupinus albus L.) in different regions of the UK, 1997 and 1998
  406. Activity of tepraloxydim (BAS 620H), a new cyclohexanedione herbicide, on herbicide-resistant black-grass (Alopecurus myosuroides )
  407. The occurrence of herbicide-resistant grass-weeds in the United Kingdom and a new system for designating resistance in screening assays
  408. The use of physiological criteria to optimise production in white lupins
  409. Methods of weed patch detection in cereal crops
  410. Prediction of the competitive effects of weeds on spring field beans (Vicia faba )
  411. Comparison of autumn-sown white lupin cultivars (Lupinus albus) for the UK
  412. Development of mapping techniques in Lupinus albus
  413. The biology of autumn and spring emerging cleavers (Galium aparine ) individuals
  414. Multiple mechanisms of resistance to fenoxaprop-P -ethyl in United Kingdom and other European populations of herbicide- resistant Alopecurus myosuroides (black-grass)
  415. Weed control update and the impact of herbicide resistance
  416. Establishing fuel specifications of non-wood biomass crops (ETSU B/U1/00612/REP)
  417. Modelling strategies to prevent resistance in black-grass (Alopecurus myosuroides )
  418. Assessing the phosphorus status of winter wheat crops: inorganic orthophosphate in whole shoots
  419. A biological framework for developing a weed management support system for weed control in winter wheat: weed competition and time of weed control
  420. Integration of hydrological and growth data into a geographical information system
  421. A comparison of the growth responses and physiology of two amenity tree species subjected to water stress
  422. Sulphur nutrition of spring peas
  423. Some causes of error and confusion in field experiments with 15N
  424. Investigating genetic and functional shifts in metal contaminated soils
  425. Microbial diversity - an indication of soil quality?
  426. Interactions between rhizobia and bacteriophages isolated from soil
  427. Competitive PCR to monitor ammonia oxidisers in a 150 year old field experiment
  428. The genetic implications of bacteriophages in Rhizobium leguminosarum
  429. An evaluation of the substrate-induced respiration method
  430. Comparison of substrate induced respiration, selective inhibition and biovolume measurements of microbial biomass and its community structure in unamended, ryegrass-amended, fumigated and pesticide-treated soils
  431. Arginine ammonification as a method to estimate soil microbial biomass and microbial community structure
  432. Development of a transformation system for the nematode biological control fungus Verticillium chlamydosporium
  433. Essential Role of Potassium in Diverse Cropping Systems: Proceedings of Workshop C, 16th World Congress of Soil Science, Montpellier, 20-26 August 1998
  434. Relationships between regional weather and incidence of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in England and Wales
  435. Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus) in relation to weather criteria
  436. Sampling winter oilseed rape crops to assess incidence of light leaf spot (Pyrenopeziza brassicae ) in the UK
  437. Morphometric study on twelve populations of Nacobbus aberrans (Thorne, 1935) Thorne & Allen, 1994 (Nematoda: Pratylenchidae) from Mexico and South America
  438. Acclimation of the summer annual species, Lolium temulentum , to CO2 enrichment
  439. Nitrate interference with potassium-selective microelectrodes
  440. The occurrence of barley mild mosaic virus (BaMMV) in China and the nucleotide sequence of its coat protein gene
  441. Characterisation and partial sequence of a new furovirus of wheat in China
  442. Insect migration
  443. Differentiating A and B groups of Leptosphaeria maculans , causal agent of stem canker (blackleg) of oilseed rape
  444. The effect of phenological asynchrony on population dynamics: analysis of fluctuations of British macrolepidoptera
  445. Water stress inhibits plant photosynthesis by decreasing coupling factor and ATP
  446. Characterisation of populations of potato cyst nematodes from Russia using protein electrophoresis, RFLPs and sequences of rDNA and RAPDs
  447. Increase in local abundance and expansion of geographical range in the Least Carpet Idea rusticata (D.& S.)(=Vulpinaria (H.-S.)) (Lep.: Geometridae) as indicated by Rothamsted Insect Survey light-traps
  448. Immigrant lepidoptera to the British Isles caught in Rothamsted Insect Survey light-traps in 1993 and 1994
  449. Early emergence of Currant Pug Eupithecia assimilata Doubleday (Lep:. Geometridae)
  450. Composicao quimica da glandula abdominal da femea da mariposa Castnia licus (Drury) (Lepidoptera:Castniidae): possiveis feromonios e precursores
  451. Behavioural responses of western flower thrips (Frankliniella occidentalis ) to host plant volatiles
  452. Genetic diversity in the coconut lethal yellowing disease phytoplasmas of East Africa
  453. Activity of imazamox on herbicide-resistant black-grass (Alopecurus myosuroides ) and wild-oats (Avena fatua ), and on a range of populations of chickweed (Stellaria media ). Confidential report for Cyanamid
  454. Activity of BAS 620 on herbicide-resistant black-grass (Alopecurus myosuroides ). Confidential report for BASF
  455. Rothamsted rapid resistance test for detecting herbicide-resistance in black-grass, wild oats and Italian rye-grass
  456. Detecting herbicide resistance: guidelines for conducting diagnostic tests and interpreting results. June 1999
  457. An analysis of the variation in crown size in sugar-beet (Beta vulgaris ) grown in England
  458. Seed and pod development of autumn-sown, determinate white lupins (Lupinus albus ) in relation to the assimilation and distribution of dry matter and nitrogen in crops grown at different densities
  459. Causes of regional and yearly variation in pea aphid numbers in eastern England
  460. Factors affecting the accumulation of potassium in sugar beet storage roots. (Confidential Report to British Sugar PLC)
  461. Effects of high plant populations on the growth and yield of winter oilseed rape (Brassica napus )
  462. Effects of infection time and moisture on development of ear blight and deoxynivalenol production by Fusarium spp. in wheat
  463. Mycoparasitism of Coemansia species
  464. Coemansia species from the rhizospheres of wheat and barley in the United Kingdom
  465. Arthropod prey of farmland birds: their spatial distribution within a sprayed field with and without buffer zones
  466. Development and validation of decision support methodology for control of barley yellow dwarf virus. (Home-Grown Cereals Authority Project Report No. 205)
  467. Seasonal weather forecasts in the control of aphids and other pests and diseases
  468. Meloidogyne incognita surface antigen epitopes in infected Arabidopsis roots
  469. Conditions for the development of mature apothecia of Pyrenopeziza brassicae and the role of ascospores in epidemics of light leaf spot on winter oilseed rape
  470. Development of PCR based diagnostic techniques for the two mating types of Pyrenopeziza brassicae (light leaf spot) on winter oilseed rape (Brassica napus ssp. oleifera )
  471. Investigating the horizontal spatial spread of light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape in the UK
  472. Fungicidal control of foliar diseases of white lupin (Lupinus albus )
  473. Sequences of European wheat mosaic virus and oat golden stripe virus and genome analysis of the genus Furovirus
  474. Complete sequence and genome properties of Chinese wheat mosaic virus, a new furovirus from China
  475. Immunological approaches to identifying and quantifying plant parasitic nematodes
  476. Interactions of straw disposal methods and direct drilling or cultivations on winter wheat (Triticum aestivum ) grown on a clay soil
  477. Identification of toxigenic Fusarium species using PCR assays
  478. Determination of acute Zn toxicity in pore water from soils previously treated with sewage sludge using bioluminescence assays
  479. Molecular evolution in cereal weeds
  480. The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape
  481. Development of a biomanagement strategy using crop rotations and Verticillium chlamydosporium for the control of root-knot nematode populations
  482. Conditions for infection of oilseed rape leaves by ascospores of UK (A group) and Polish (B group) Leptosphaeria maculans (stem canker)
  483. The BRIGHT project (Botanical and Rotational Implications of Genetically modified Herbicide Tolerance)
  484. Fungally-transmitted mosaic viruses of barley
  485. Multi-trait covariance functions to estimate genetic correlations between milk yield, dry matter intake and live weight during lactation
  486. Bayesian local influence in growth curve model with unstructured covariance
  487. Response to "Comments on 'Testing winter wheat simulation models predictions against observed UK grain yields by Landau et al [Agric. For. Meteorol. 89 (1998) 85-89]' by Jamieson et al. [Agric. For. Meteorol., this issue]"
  488. Effects of sulphur nutrition on growth and nitrogen fixation of pea (Pisum sativum L.)
  489. Organic manures and mineral fertilizers
  490. Assessing risks of heavy metal toxicity in agricultural soils: do microbes matter?
  491. Qualitative and quantitative changes in free and mineral bound humic and fulvic acids in the Broadbalk classical experiment at Rothamsted
  492. The retention and release of phosphorus from soil
  493. Sulphur utilisation efficiency in oilseed rape
  494. Responses of breadmaking quality to sulphur in three wheat varieties
  495. Predicting nitrate losses from agricultural systems: measurements and models
  496. Are the Rothamsted experiments still relevant to modern farming?
  497. Assessing the importance of soluble organic nitrogen in agricultural soils
  498. Statistical analysis of published carbon-13 CPMAS NMR spectra of soil organic matter
  499. Nitrogen deposition and carbon sequestration
  500. Phosphorus balances and P losses by preferential flow in the Broadbalk long-term experiment at Rothamsted
  501. Managing nitrogen for profitable farming and minimal environmental impact
  502. Interactions between agricultural emissions to the environment: the value of system studies in minimizing all emissions
  503. Using a rotational modelling system to explore the effect of straw incorporation on the efficiency of nitrogen use
  504. Particle size distribution and mineralogy of the deposits
  505. Changes in soil chemistry accompanying acidification over more than 100 years under woodland and grass at Rothamsted Experimental Station, UK
  506. Metal hyperaccumulator plants: a review of the ecology and physiology of a biological resource for phytoremediation of metal-polluted soils
  507. Nitrate and health: introductory comments
  508. Sampling, estimating and understanding soil pollution
  509. A covariance function for feed intake, live weight and milk yield estimated using a random regression model
  510. Sampling to monitor soil in England and Wales
  511. Modelling the potential for gene escape in oilseed rape via the soil seedbank: its relevance for genetically modified cultivars
  512. Design keys, pseudo-factors and general balance
  513. A landscape-scale study of bumble bee foraging range and constancy, using harmonic radar
  514. Image filtering by kriging analysis
  515. Developer's response to review of Genstat 5 for Windows Release 4.1
  516. The germination of oil-formulated conidia of the insect pathogen Metarhizium anisopliae
  517. Perception of oviposition-deterring pheromone by cabbage seed weevil (Ceutorhynchus assimilis )
  518. Identification of the gland secreting oviposition-deterring pheromone in the cabbage seed weevil, Ceutorhynchus assimilis, and the mechanism of pheromone deposition
  519. Comparison of pea enation mosaic virus (PEMV) isolates: sequence of coat protein and aphid transmission protein genes of a European isolate
  520. Compensation for wind drift by bumble-bees
  521. Secondary metabolites in plant-insect interactions: dynamic systems of induced and adaptive responses
  522. Survival of terrestrial organisms
  523. Slaves of the environment: the movement of herbivorous insects in relation to their ecology and genotype
  524. Migration and microsatellite variation in the grain aphid
  525. Identification and characterisation of two cDNAs encoding phosphate transporters from Solanum tuberosum
  526. Acclimation of photosynthesis, H2O2 content and antioxidants in maize (Zea mays ) grown at sub-optimal temperatures
  527. Some observations on the morphology and protein profiles of the slug-parasitic nematodes Phasmarhabditis hermaphrodita and P. neopapillosa (Nematoda: Rhabditidae)
  528. Aphids
  529. Spatial population dynamics of a pest and its parasitoid in an oilseed rape crop
  530. Effects of CO2 and sugars on photosynthesis and composition of avocado leaves grown in vitro
  531. Temporal and geographical variation in the virus infections of bees infested by Varroa jacobsoni
  532. The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape
  533. Enhancing farmland for insect pollinators using flower mixtures
  534. Honey bee mediated infection of pollen beetle (Meligethes aeneus Fab.) by the insect-pathogenic fungus, Metarhizium anisopliae
  535. Barley and cereal yellow dwarf virus epidemiology and control strategies
  536. Wound-induced increases in the glucosinolate content of oilseed rape and their effect on subsequent herbivory by a crucifer specialist
  537. New techniques for studying the spatial and temporal dynamics of the foraging flights of bumble bees in relation to plant gene flow within agricultural habitats
  538. Aphids, predators and parasitoids
  539. Tomato root diffusate induces physiological changes in Globodera rostochiensis J2s that are not induced by potato root diffusate
  540. Potential side-effects of insect-resistant transgenic plants on arthropod natural enemies
  541. Interactions between insect tolerant genetically modified plants and natural enemies
  542. Effects of fungal infection on the alarm response of pea aphids
  543. Electrophysiological analysis of the concentration-dependent responses of Globodera rostochiensis J2s to test compounds
  544. Design and analysis of efficacy evaluation trials
  545. Aphid control using entomopathogenic fungi
  546. Production of (5R , 6S )-6-acetoxy-5- hexadecanolide, the mosquito oviposition pheromone, from the seed oil of the summer cypress plant, Kochia scoparia (Chenopodiaceae)
  547. Photorespiratory glycine enhances glutathione accumulation in both the chloroplastic and cytosolic compartments
  548. Overexpression of sucrose-phosphate synthase in tomato plants grown with CO2 enrichment leads to decreased foliar carbohydrate accumulation relative to untransformed controls
  549. Sex attractant for the male antler moth Cerapteryx graminis (L.)
  550. Combined use of fumigation and granular nematicides to reduce yield loss caused by potato cyst nematodes
  551. How busy are bees - modelling the pollination of clover
  552. The influence of aphid natural enemies on the spread of barley yellow dwarf virus
  553. Host plant evaluation behaviour of Bemisia tabaci and its modification by external or internal uptake of imidacloprid
  554. Trap design for monitoring moth biodiversity in tropical rainforests
  555. Verbena x hybrida flower volatiles attractive to Western flower thrips, Frankliniella occidentalis
  556. Integrated crop management protocols and the management of potato cyst nematodes
  557. Use of resistant and susceptible potato cultivars in the trap cropping of potato cyst nematodes, Globodera pallida and G. rostochiensis
  558. Comparative responses of parasitoids to synthetic and plant-extracted nepetalactone component of aphid sex pheromones
  559. Farm-scale evaluation of GM crops explained
  560. Mapping infestations of potato cyst nematodes and the potential for patch treatment with nematicides
  561. Control of plant parasitic nematodes
  562. Do dicotyledons generate greater maximum axial root growth pressures than monocotyledons?
  563. Maximum axial root growth pressure in pea seedlings: effects of measurement techniques and cultivars
  564. Exploiting insect responses in identifying plant signals
  565. Influence of visual cues and isothiocyanate lures on capture of the pollen beetle, Meligethes aeneus in field traps
  566. Indicator quality for multidisciplinary systems
  567. The effects of isothiocyanates on the growth of the entomopathogenic fungus Metarhizium anisopliae and its infection of the mustard beetle
  568. Ascospores as primary inoculum for epidemics of white leaf spot (Mycosphaerella capsellae ) in winter oilseed rape in the UK
  569. Predatory behaviour of trapping fungi against srf mutants of Caenorhabditis elegans and different plant and animal parasitic nematodes
  570. Sulphur assimilation and effects on yield and quality of wheat
  571. Variation in the breadmaking quality and rheological properties of wheat in relation to sulphur nutrition under field conditions
  572. Factors affecting the solubility of zinc, cadmium, copper and nickel in sewage sludge amended soils
  573. Quantitative evidence for active foraging for zinc by the roots of Thlaspi caerulescens
  574. Late and middle Pleistocene deposits at Somersham, Cambridgeshire, UK: a model for reconstructing fluvial/estuarine depositional environments
  575. Fate of nitrogen from manufactured fertilizers in agriculture
  576. Sulphur accumulation and re-distribution in wheat (Triticum aestivum ): a study using stable sulphur isotope ratios as a tracer system
  577. Long-term effects of metal contamination on Rhizobium
  578. Constraints to the growth and metal uptake by hyperaccumulator plants
  579. Adverse effects of cadmium on soil microflora and fauna
  580. Sustainability perspectives in the agricultural research of developed countries
  581. Nitrate leaching from arable and horticultural land
  582. Survival and adaptation of rhizobial population inoculated into industrially contaminated soils
  583. Denitrification in riparian buffer zones: the role of floodplain hydrology
  584. The validation of pesticide leaching models for regulatory purposes
  585. Home grown
  586. Changing nectar sources for honey bees in the UK
  587. The economic value of bees in the UK
  588. Radar tracking of bees at IACR-Rothamsted
  589. Strategies for developing natural products as crop protection agents employing neurotoxicological and other neurophysiological modes of action
  590. A homologue of Caenorhabditis elegans calnexin precursor gene found in Globodera pallida
  591. A novel approach for isolation of volatile chemicals released by individual leaves of a plant in situ
  592. Foliar disease control in 1999
  593. Modelling partitioning between structure and storage in sugar beet: effects of drought and soil nitrogen
  594. An evaluation of the potential benefits and costs of autumn-sown sugar beet in NW Europe
  595. Yield of sugar beet in relation to weather and nutrients
  596. A corner of a small library
  597. AAB Conference - protection and production of sugar beet and potatoes
  598. North Norfolk 'Disorder' of 1997: a false alarm?
  599. Rhizomania and other pests and diseases in 1998
  600. Growth of the sugar beet crop in 1998
  601. Cheaper weed control in the Netherlands
  602. Weed control in 1998 - lessons learnt and new herbicide products for 1999
  603. The effects of beet yellows virus on the growth and physiology of sugar beet (Beta vulgaris )
  604. The spatial and temporal distribution of aphids and their natural enemies: implications for biological control
  605. Mutations in the housefly acetylcholinesterase gene that confer resistance to insecticides
  606. Light and electron microscopy studies of the infection of the western flower thrips Frankliniella occidentalis (Thysanoptera: Thripidae) by the entomopathogenic fungus Metarhizium anisopliae
  607. Special effects from plants
  608. The use of RAPD-PCR to assess the subspecific variation within British populations of Globodera pallida
  609. Detection of iron in tissues from slugs (Deroceras reticulatum Muller) after ingestion of iron chelates, by means of energy- filtering transmission electron microscopy (EFTEM)
  610. The macrolepidoptera of the Rothamsted Estate, Harpenden, Hertfordshire
  611. The raison d'etre of secondary plant chemicals?
  612. The effects of host plant stress on the performance of the cereal aphid Rhopalosiphum padi
  613. Measuring the spatial pattern of Orobanche crenata weeds by SADIE red-blue analysis
  614. Red-blue plots for detecting clusters in count data
  615. Report for the Sir Frederick McMaster Fellowship Committee: Visiting Fellow Judith K.Pell March 23rd-April 11th 1999
  616. The localisation of 2-carboxy-D-arabinitol 1-phosphate and inhibition of Rubisco in leaves of Phaseolus vulgaris L.
  617. The effects of habitat fragmentation on pollination and gene flow in white clover
  618. Borage
  619. Overexpression of sucrose phosphate synthase increases sucrose unloading in transformed tomato fruit
  620. Spatial aspects in modelling pest-crop interactions
  621. Improving plant product quality
  622. Biometrical approaches in supervised pest control
  623. Identification and characterization of excreted-secreted products and surface coat antigens of animal and plant-parasitic nematodes
  624. Olfactory conditioning of the proboscis extension in bumble bees
  625. Up-regulation of host and parasite genes during the life-cycle of cyst neamtodes
  626. The major carotenoid pigments of the grain aphid, Sitobion avenae (F.) (Hemiptera: Aphididae)
  627. The role of invertase in carbohydrate metabolism of tomato fruit
  628. Volatile isoprenoids that control insect behaviour and development
  629. Climate change and trophic interactions
  630. 3-Methyl-alpha-himachalene is confirmed, and the relative stereochemistry defined, by synthesis as the sex pheromone of the sandfly Lutzomyia longipalpis from Jacobina, Brazil
  631. Esterase inhibitors synergise the toxicity of pyrethroids in Australian Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae)
  632. Structural aspects of the effectiveness of bisphosphonates as competitive inhibitors of the plant vacuolar proton-pumping pyrophosphatase
  633. Aphid sex pheromones: manipulation of beneficial insects for aphid population control
  634. Effects of overexpression of sucrose phosphate synthase on the carbohydrate composition of tomato leaves and fruit
  635. Reduced alarm response by peach-potato aphids, Myzus persicae (Hemiptera: Aphididae), with knock-down resistance to insecticides (kdr ) may impose a fitness cost through increased vulnerability to natural enemies
  636. Relationship between amount of esterase and gene copy number in insecticide- resistant Myzus persicae (Sulzer)
  637. Insecticide resistance in the peach-potato aphid, Myzus persicae
  638. The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae
  639. Insecticide resistance: from mechanisms to management
  640. Extracting oviposition stimulants for carrot fly from host-plant leaves
  641. Report on the BBSRC delegation to China genetic modification and biosafety assessment, 1-5 March 1999
  642. The turnover of cell surface proteins of carrot protoplasts
  643. Use of lichen secondary metabolites as antifeedants to protect higher plants from damage caused by slug feeding
  644. Evaluation of agar and agarose gels for studying mechanical impedance in rice roots
  645. Varroa research at IACR-Rothamsted: progress and prospects
  646. Microbial biopesticides: the European scene
  647. Activation of transcription during the hatching process of the potato cyst nematode Globodera rostochiensis
  648. Variation in chromosomal distribution of amplified esterase (FE4 ) genes in Greek field populations of Myzus persicae (Sulzer)
  649. Nematode-responsive activity of the cauliflower mosaic virus 35S promoter and its subdomains
  650. Tritrophic interactions and climate change
  651. Exploiting semiochemicals in insect control
  652. Validation approaches for field-, basin- and regional-scale water quality models
  653. Dynamics of the denitrification process in soil from the Brimstone Farm experiment, UK
  654. Genetic and environmental smoothing of lactation curves with cubic splines
  655. Analysis and elucidation of soil variation using wavelets
  656. Nitrogen leaching from winter cereals grown as part of a 5-year ley-arable rotation
  657. Biological weed control via nutrient competition: potassium limitation of dandelions
  658. Denitrification in the subsoil of the Broadbalk Continuous Wheat Experiment
  659. Nitrophobia
  660. Assessment of the toxicity of metals in soils amended with sewage sludge using a chemical speciation technique and a lux -based biosensor
  661. Gene transfer in bacteria from soils contaminated with heavy metals
  662. Nitrogen recommendation systems: the next generation
  663. Nitrogen fertilisation of field crops - an update
  664. Soil microbial biomass and organic C in a gradient of zinc concentrations in soils around a mine spoil tip
  665. Comparison of Gaeumannomyces- and Phialophora -like fungal pathogens from maize and other cereals using DNA methods
  666. The effects of fungicides on diseases and yields of winter linseed
  667. Multiple-resistance mechanisms in fenoxaprop-P-ethyl resistant black-grass (Alopecurus myosuroides)
  668. Tiers, structure formulae and the analysis of complicated experiments
  669. Cellular compartmentation of zinc in leaves of the hyperaccumulator Thlaspi caerulescens
  670. Effect of the host plant on the efficacy of Verticillium chlamydosporium as a biological control agent of root-knot nematodes at different nematode densities and fungal application rates
  671. The Four Villages Soil Trail
  672. Interactions between agricultural emissions to the environment: the value of system studies in minimizing all emissions
  673. Sulphur for improved efficiency of nitrogen use in grasslands
  674. Working with our Living Soil
  675. Factors affecting the reproduction and developmetn of two contrasting species of carabid beetle (Coleoptera, Carabidae)
  676. Minimizing the negative impacts of slurry spreading on grass silage production and quality
  677. N and P excretion by dairy cows
  678. Run-off and emissions from hard-standings
  679. Socio-economic implications of landscape and wildlife conservation
  680. IGER priorities for the Biodiversity Action Programme
  681. Cows could prove a scientific theory
  682. Researchers in the dark on cattle habits
  683. Recording ruminant grazing behaviour
  684. Developments in the use of microcomputer-based mathods for the automatic recording of grazing behaviour
  685. The effect of gastrointestinal parasitism on grazing behaviour, herbage intake and performance in calves
  686. Soil organic matter in managed grassland soils: implications for function, quality and environmental impact
  687. Effects of belowground herbivory by leatherjacket larvae on roots and rhizosphere microbial communities in grass and clover systems
  688. Sitona lepidus : the UK perspective
  689. Impact of shoot defoliation on carbon flow and soil microbial communities in the rhizosphere
  690. Measuring methane emission from sheep grazing three contrasting sward types
  691. Effects of herbivory by cranefly larvae (leatherjackets) on clover and grass and the associated rhizosphere microbial community
  692. In situ visualisation of invertebrate damage to root systems
  693. Inventory of ammonia emission from UK agriculture, 1997
  694. Fertiliser application, slope, rainfall intensity and transport pathways strongly affect quantitites and composition of dissolved organic nutrient exports from grazed grasslands
  695. Summary - alternative crops for enhanced profit
  696. Impacts of UV-B radiation on leaf fungal endophytes of grasses
  697. Development of endophyte for tolerance of abiotic stress in ryegrass
  698. Control of pests and diseases of newly-sown white clover
  699. Development of endophyte for tolerance of abiotic stress in ryegrass
  700. Control of pests and diseases of newly-sown white clover
  701. Field studies of farm manure organic nitrogen mineralisation
  702. Emissions of ammonia, methane and nitrous oxide from farm hardstandings in the UK
  703. Potential for reducing gaseous N emissions from high input agriculture
  704. Emission of odorous compounds from pig slurries
  705. Gaseous emissions from dairy cattle collecting yards
  706. Linking grassland production to environmental impact: a decision support system to optimise nitrogen fertiliser inputs
  707. Reducing ammonia emission following slurry spreading by the use of low-trajectory application techniques - UK experiences
  708. Optimised fertiliser use on dairy farms
  709. Evaluation of optimised fertiliser strategies on UK dairy farms
  710. The effect of gastrointestinal parasitism on grazing behaviour, herbage intake and performance in calves
  711. Nematode parasitism, herbage intake and grazing behaviour
  712. Dissolved free amino acids in surface lateral drainage from grazed grassland
  713. Mineralisation of organic nitrogen from farm manure applications
  714. Field studies of farm manure organic nitrogen mineralisation
  715. Methane and nitrous oxide emissions from UK agricultural livestock
  716. Eclipse tests grazing theory
  717. The impact of a novel clover : cereal bi-cropping system for growing silage on earthworms, predatory arthropods, aphids and slugs
  718. P leaching serious but advice sparse
  719. Green targets hit in MAFF leaching work
  720. Pros and cons of white clover sward
  721. Best grow grass and clover alone
  722. Harnessing bacteria brings farming benefits
  723. Stink busting boffins aim to de-pong the great British pig
  724. Eau de pig is a hit
  725. Controlling gaseous nitrogen oxide emissions from grassland farming systems in Europe (COGANOG)
  726. Evaluation of soil N dating with amino acid enantiomers
  727. Effect of tillage practices on trace gases flux from grassland
  728. N2O production processes at three soil depths along transect on a sloping grassland soil
  729. Trace gas emissions from livestock systems
  730. A molecular insight to soil carbon turnover
  731. The isotopic fractionation of dung-derived C in water extracts from a temperate grassland soil
  732. Nitrogen utilization and environmental implications in grassland farming
  733. Challenges to grassland and forage research
  734. Natural 13C abundance: a tool to trace the incorporation of dung-derived C into soil and its primary particles
  735. The effects of nitrogen fertilisation and elevated CO2 on the lipid biosynthesis and carbon isotopic discrimination in birch seedlings (Betula pendula )
  736. How do long-term differences in microbial activity in grassland soils become established?
  737. Net mineralization: a comparison of field methods (jar and box)
  738. Simplified classification of hydrological terminology for phosphorus transfer
  739. A comparison of systems for measuring methane emissions from sheep
  740. Isotopic ecology of earthworms under grassland and arable cropping systems
  741. Greenhouse gas emissions from agriculture
  742. Chair's summary paper: extensification with grasslands
  743. Environmental implications of extended grazing
  744. Endophytes in turfgrasses
  745. Congress highlights from perspective of temperate regions
  746. Sitona spp. (Coleoptera; Curculionidae) in grassland in England and the impact of their root herbivory on white clover
  747. Estimating net primary production from measurements made on soil organic matter
  748. Natural 13C abundance: a tool to trace the incorporation of dung derived C into soil primary particles
  749. The isotope fractionation of dung-derived C in water extracts from a temperate grassland soil
  750. Molecules to mountains: stable isotopes in soil-plant systems
  751. Effect of depth, N regime and drainage on mineralisation of soil organic matter
  752. Changes in soil quality following the conversion of pasture
  753. Changes in lowland grassland management: implications for invertebrates and birds
  754. Predicting the date of frog emergence in Devon
  755. Rapid methods for the analysis of readily available nitrogen in manure
  756. Practical management of manure to reduce phosphorus accumulation in soils
  757. Nitrate leaching under a ley-arable system on a Cotswold-Brash soil
  758. Manure use in an organic mixed farming system: where does the nitrogen go?
  759. Predicting ammonia loss following application of livestock manures to grassland
  760. Economic aspects of low nitrogen input systems for beef cattle
  761. Controlling losses of nitrogen as ammonia from manures
  762. Transport of nutrients and organic material following applications of animal wastes to grassland soils
  763. The effect of sulphur application on efficiency of nitrogen use in grassland: some preliminary results
  764. Plant species and nitrogen effects on soil biological properties of temperate upland grasslands
  765. Control and utilization of livestock manures
  766. Principles of foraging and grazing behaviour
  767. Weeds, pests and diseases of grassland
  768. Herbage production
  769. Introduction
  770. Grass: its Production and Utilization (third edition)
  771. Investigations of the effects of herbicidal control of broad-leaved dock on herbage production
  772. Field evaluation of a novel nitrate sensitive electrode in drainage waters from agricultural grassland
  773. Soil nitrogen supply under grass swards: measurement and prediction
  774. Nitrogen turnover in grassland soils: measurement and prediction
  775. Integrating the environmental and economic consequences of converting to organic agriculture: evidence from a case study
  776. Phosphorus leaching under cut grassland
  777. The effect of rainfall intensity on soil erosion and particulate phosphorus transfer from arable soils
  778. The use of nitrogen-15 natural abundance in white clover (Trifolium repens L.) to determine nitrogen fixation under different management practices
  779. Effects of organic matter and temperature on microbial activity and mineralization in grassland soil
  780. Evidence for a priming effect of fertilizer N on turnover of soil organic N
  781. Use of 15N-labelled amino acids to determine organic uptake by ryegrass
  782. Transfer of phosphorus from agricultural soils
  783. Tracing nitrogen derived slurry in earthworms using 15N/14N stable isotope ratios at natural abundances
  784. Tissue 13C and 15N of earthworms under grass and maize cropping
  785. The use of groups or individuals in the design of grazing experiments (reply to Phillips, 1998)
  786. The use of 15N natural abundance variation to examine plant and soil organic fractions in pasture under different management practices
  787. The influence of soil processes on carbon isotope distribution and turnover in the British uplands
  788. The future role of silage in sustainable animal production
  789. The four villages soil trail for kids
  790. The effect of physiological state (lactating or dry) and sward surface height on grazing behaviour and intake by dairy cows
  791. The assessment of quality - grazing and intake
  792. Strategies to encourage better use of nitrogen in animal manures
  793. Storm induced variations in natural abundance 13C in soil waters
  794. Stable isotopes to investigate decay processes in farm waste
  795. Stable isotopes as a means of investigating decay processes in organic wastes
  796. Sports day 1999 web page
  797. Spatial variation in ryegrass foliage N and delta15N content in grass-clover swards
  798. Soil thermal unit aids N prediction
  799. Seasonal changes in soil microbial communities along a fertility gradient of temperate grasslands
  800. Quantification of pore size distribution and the movement of solutes through isolated soil blocks
  801. Production and emission of odours and gases from ageing pig waste
  802. Potential for reduction of odorous compounds in swine manure through diet modification
  803. Nitrogen mineralization in soil layers, soil particles and macro-organic matter under grassland
  804. Nitrate leaching from grassland and possible abatement strategies
  805. Natural abundance delta13C and delta15N signatures in relation to ecosystem function
  806. Natural abundance 15/14N and 13/12C ratios in relation to soil processes
  807. Natural 13C abundance: a tool to trace the incorporation of dung-derived carbon into soil particle-size fractions
  808. Natural 13C abundance: a tool to trace the incorporation of dung-derived C into soil primary particles
  809. Molecular insight into soil carbon turnover
  810. Methane emission and uptake from soils as influenced by excreta deposition from grazing animals
  811. Mean pool dilution technique applied to intact soil cores combined with field incubation
  812. Matching food supply to animals' natural meal patterns
  813. Management of permanent grassland in organic farming systems
  814. Long-term dietary preference for grass and clover in dairy cows
  815. Isotopic detection of possible organic-N uptake by Lolium perenne (L.)
  816. Interpreting early land management through compound specific stable isotope analyses of archaeological soils
  817. Insight into the preservation of organic matter in soils: a PY-GC/MS-C-IRMS study
  818. Individual 15N/14N amino acid signatures of plants in a grassland pasture
  819. Hay production from lowland semi-natural grasslands: a review of implications for livestock systems
  820. Factors affecting nitrogen transformations and related nitrous oxide emissions from aerobically treated piggery slurry
  821. Estimating the contribution of Spartina anglica biomass to salt-marsh sediment using compound specific stable carbon isotope measurements
  822. Enhancement of botanical diversity of permanent grassland and impact on hay production in Environmentally Sensitive Areas in the UK
  823. Effect of combined insecticide and fungicide treatments on newly sown swards of Italian and perennial ryegrass sown using two methods of sowing, two rates of seed and N fertilizer, with and without herbicide
  824. Ecology and agronomy group Web Site
  825. Does photosynthetic acclimation to elevated CO2 increase photosynthetic nitrogen-use efficiency? A study of three native UK grassland species in open-top chambers
  826. Development of a sensitive nitrate-selective electrode for on- site use in fresh waters
  827. Compound specific stable isotope signals in anthropogenic soils as indicators of early land management
  828. Compound specific plant delta15N values present in a permanent pasture soil
  829. Climatic influences on the leaching of dissolved organic matter from upland UK moorland soils by a field manipulation experiment
  830. Carbon induced subsoil denitrification of N-15 labelled nitrate in 1 m deep soil columns
  831. Below-ground microbial community development in a high temperature world
  832. Automated chamber technique for gaseous flux measurements: evaluation of a photoacoustic infrared spectrometer-trace gas analyzer
  833. Ammonia emissions from agriculture
  834. A UK inventory of nitrous oxide emissions from farmed livestock
  835. A storm event and delta13C signatures of DOC in run-off drainage waters from grazed grasslands
  836. A novel technique to determine organic processes in pig wastes
  837. A dynamic study of earthworm feeding ecology using stable isotopes
  838. A comparison of triple superphosphate and Gafsa ground rock phosphate fertiliser as P-sources for grass-clover swards on a poorly-drained acid clay soil
  839. Comparison of methodologies for field measurement of net nitrogen mineralisation in arable soils
  840. Suspected tremorgenic mycotoxicosis (ryegrass staggers) in alpacas (Llama pacos ) in the UK
  841. Short-term changes in delta13C and delta15N signatures of water discharged from grazed grasslands
  842. Radiocarbon dating of aliphatic hydrocarbons: a new approach for dating passive-fraction carbon in soil horizons
  843. Prospects for the recovery of phosphorus from animal manures: a review
  844. Preconcentration and separation of trace phosphorus compounds in soil leachate
  845. Nitrogen dynamics in natural and agricultural ecosystems
  846. Genetic erosion issues in temperate grasslands
  847. An experiment to determine the feasibility of automatically detecting hyperketonaemia in dairy cows
  848. The influence of dung amendments on dissolved organic matter in grassland soil leachates - preliminary results from a lysimeter study
  849. Compound specific delta15N values: amino acids in grassland and arable soils
  850. Comparison of 15N labelling methods to measure gross nitrogen mineralization
  851. Budget of NOy species measured at a coastal site
  852. Accounting for nutrients in grassland: challenges and needs
  853. Estimating the contribution of Spartina anglica biomass to salt-marsh sediments using compound specific stable carbon isotope measurements
  854. Use of a novel incubation technique to measure N2O/N2 following surface or injected application of slurry
  855. The effect of slurry and dirty water application to swards on grazing behaviour in dairy cows
  856. Potential of a novel white clover/cereal bi-cropping system for whole crop forage production
  857. How do cattle and sheep alter ingestive behaviour in response to changes in sward state?
  858. Effects of fasting on ingestive behaviour of sheep grazing grass or white clover monocultures
  859. An integrated soil testing - modelling approach to improve fertiliser recommendation for grassland