1. Rothamsted Soils Division
  2. Rothamsted Multidisciplinary Agronomy
  3. Orientation at Night by High-Flying Insects
  4. Bee-keeping by numbers
  5. The IIRB Breeding and Genetics Study Group
  6. Geographical variation in house-fly (Musca domestica L.) sex determinants within the British Isles
  7. Salt affected soils in England and Wales
  8. Effects of leaf age, inoculum dose and freezing on development of chocolate spot (Botrytis fabae) lesions on field bean (Vicia faba) leaves
  9. Cadmium : temporal trends in archived soils from a semi-rural location in the UK In: Chemicals in the environment ed. J.M. Lester, R. Perry and, R.M. Sterritt, 553-559
  10. Ploidy variation in Solanum brevidens plants regenerated from protoplasts using an improved culture system
  11. Information services in a beleaguered agricultural industry
  12. Howard Latimer Penman 1909-1984
  13. Yellow cylindrical sticky aphid traps at Rothamsted and Broom's Barn with particular reference to the study of yellowing viruses affecting sugar beet.
  14. Survey work in the Statistics Department
  15. Rothamsted Insect Survey. Eighteenth annual summary.
  16. Synoptic monitoring for migrant insect pests in Great Britain and Western Europe. VII. Annual population fluctuations of macrolepidoptera over Great Britain for 17 years.
  17. Obituary : Philip Herries Gregory, D.Sc F.R.S. 1907-1986.
  18. The adenylate energy charge ratio and ATP concentration of the soil microbial biomass.
  19. Numerical methods of classification.
  20. Prospects for pheromone monitoring of the pea moth, Cydia nigricana (F.), in vining peas.
  21. Development of plant-derived antifeedants for crop protection.
  22. Effect of low temperature on the survival of the peach-potato aphid Myzus persicae .
  23. The role of ferrous ions in the rapid degradation of oxamyl, methomyl and aldicarb in anaerobic soils.
  24. Some factors affecting the growth and yield of winter wheat grown as a third cereal with much or negligible take-all
  25. Sugar beet research at Broom's Barn Experimental Station.
  26. The fibrous root system : The forgotten roots of the sugar beet crop.
  27. Treatment of sugar-beet seeds.
  28. The effect of pellet structure on the germination and emergence of sugar-beet seed.
  29. Foliage cover and radiation interception.
  30. The effect of constant temperatures and osmotic potentials on the germination of sugar beet.
  31. Pellet structure and the sensitivity of sugar- beet seed to soil moisture.
  32. Influence of the seed crop environment on the quality of sugar-beet seed.
  33. A forward look from Broom's Barn Experimental Station.
  34. Irrigating sugar beet - a UKIA Winter Conference.
  35. Beet cyst nematode infestations - changing for the worse.
  36. The development of weed beet as a problem in England.
  37. Forecasting and control of virus yellows and aphids in sugar beet.
  38. Investigations into how cypermethrin controls the spread of potato virus Y by aphids.
  39. Pests and diseases of some new and potential alternative arable crops for the United Kingdom.
  40. The four kinds of migration.
  41. Synoptic dynamics, migration and the Rothamsted Insect Survey. Presidential address to the British Ecological Society, 1984.
  42. Differential gene expression in the developing barley endosperm.
  43. Factors affecting the response of cut grass to the nitrogen content of dairy cow slurry.
  44. Microorganisms in cereals and other stored products.
  45. Compaction of a silt loam by wheeled agricultural vehicles. II. Effects on growth and yield of direct- drilled winter wheat.
  46. Interference between parasitoids (Hym.: Aphididae) and fungi (Entomophthorales) attacking cereal aphids.
  47. Some physical properties on which successful leaf protein production depends
  48. Relations between growth, colonization by a vesicular- arbuscular mycorrhizal fungus and soluble carbohydrates in roots of leek (Allium porrum L.) as affected by soil phosphorus.
  49. Seasonal changes in populations of Pseudocercosporella herpotrichoides (eyespot) in wheat crops.
  50. Plant compounds that synergise activity of the aphid alarm pheromone.
  51. Antifeedants: A new concept for control of barley yellow dwarf virus in winter cereals.
  52. Physico-chemical properties of fungicides in relation to effects on take-all.
  53. Interaction of temperature and water activity on growth of yeasts and metabolism of propionate: Implications for preservation of moist hay.
  54. Problems in the integrated control of potato cyst-nematodes, Globodera rostochiensis and G.pallida , and their solution.
  55. Factors influencing the infectivity of the potato cyst nematodes Globodera rostochiensis and G.pallida.
  56. Ultrastructure of the eggshell of Heterodera schachtii and H. glycines (Nematoda: Tylenchida).
  57. Observations on a novel hatching bioassay for Globodera rostochiensis using fluorescence microscopy.
  58. Problems in integrated control of cyst and stem nematodes.
  59. Interactions between Globodera pallida and Verticillium dahliae and their effect on the tolerance of three potato cultivars.
  60. Routine biochemical identification of Meloidogyne species using isoelectric focusing.
  61. A novel hatching bioassay for cyst nematodes using fluorescence microscopy.
  62. The use of the scanning electron microscope in the taxonomy of Aphelenchoides species.
  63. The contribution of egg sacs to the population dynamics of Heterodera cruciferae and H.schachtii.
  64. Past peat cutting and present vegetation patterns in an undrained fen in the Norfolk broadland.
  65. The possible effect of soluble silicon on the lepidocrocite content of gley soils from England and Bangladesh.
  66. Graphical displays for classification.
  67. A comparison of methods of seed tuber inoculation for assessing the susceptibility of potato cultivars to blackleg (Erwinia carotovora subsp. atroseptica ) in the field.
  68. Factors affecting the germination of Septoria nodorum Pycnidiospores.
  69. Plant growth responses to vesicular-arbuscular mycorrhiza. XVI. Effectiveness of different endophytes at different levels of soil phosphate.
  70. Multiple-comparison procedures: a dissenting view.
  71. Ades : new families of frequency distributions that describe repeated animal samples.
  72. The pH and nutrient status of agricultural soils in England and Wales 1969-83.
  73. Field assessment of somaclonal variation in wheat.
  74. The next phase with leaf protein
  75. Appropriate technology of leaf protein
  76. The association and characterization of a fluorescent hypersensitive response of potato roots to Globodera spp.
  77. Leaf protein in human diets
  78. The right to knowledge about food and the means for getting it.
  79. Genetic manipulation in potato.
  80. Effects of pre-inoculation with a vesicular-arbuscular mycorrhizal fungus on growth of onions transplanted to the field as multi-seeded peat modules.
  81. Identification of vesicular-arbuscular mycorrhizal fungi using selective enzyme polyacrylamide gel electrophoresis.
  82. The effect of vesicular-arbuscular mycorrhizal infection on photosynthesis and carbon distribution in leek plants
  83. Growth responses of Glomus caledonium in the presence of suspension cultured lucerne cells.
  84. Preliminary observations on dual inoculation of white clover.
  85. Host-endophyte specificity in mycorrhizal infection of Hedysarum coronarium L.
  86. Biochemical characterization of vesicular-mycorrhizal fungi.
  87. Growth of hyphae from Glomus spores in the presence of sulphur-containing compounds.
  88. In vitro behaviour, storage and deposit collections. An introduction.
  89. The physics of water movement through clay soil to mole drains.
  90. Water-table heights and discharge rates with artesian flow to interceptor land drains.
  91. Straw incorporation by different tillage systems the effect on growth and yield of winter oats.
  92. Recovery of 15N-labelled fertilizer applied in autumn to winter wheat at four sites in eastern England.
  93. The nitrogen cycle in the Broadbalk Wheat Experiment : recovery and losses of 15N-labelled fertilizer applied in spring and inputs of nitrogen from the atmosphere
  94. Soils and Quaternary geology .
  95. Zinc, copper and nickel concentrations in ryegrass grown on sewage sludge-contaminated soils of different pH.
  96. Einfluss der Bodenbearbeitung auf Bodenwasserhaushalt, Durchwurzelung und Wasserentzug.
  97. Randomization, constrained.
  98. Rubisco: its role in photorespiration.
  99. Simulation modelling.
  100. A Study of mole drainage with simplified cultivation for autumn-sown crops on a clay soil. 4. A comparison of direct drilling and mouldboard ploughing on drained and undrained land on root and shoot growth, nutrient uptake and yield.
  101. Controlling Docking disorder.
  102. Altered feedback sensitivity of acetohydroxyacid synthase from valine-resistant mutants of tobacco ( Nicotiana tabacum L.).
  103. Genetic factors in Rhizobium affecting the symbiotic carbon costs of N2 fixation and host plant biomass production.
  104. Stability of real interacting populations in space and time: implications, alternatives and the negative binomial kc
  105. Adenylate energy charge measurements in soil.
  106. Effects of metal residues from past applications of sewage-sludge on soil microbial biomass and N2-fixation.
  107. Soil microbial biomass estimates in soils contaminated with metals.
  108. Evidence of a chemical factor involved in the control of sexual development in the light leaf spot fungus, Pyrenopeziza brassicae (Ascomycotina).
  109. The nitrogen cycle under continuous winter wheat
  110. Statistical methods for analysing soil variation.
  111. Spore dispersal in splash droplets.
  112. Water availability and fungal reproduction: patterns of spore production, liberation and dispersal.
  113. Detection of broad bean stain virus in faba beans (Vicia faba ) in China.
  114. Monitoring the development of insecticide resistance in peach potato aphid populations by immunoassay.
  115. The effect of aphid immigration on the rate of selection of insecticide resistance in Myzus persicae by different classes of insecticides.
  116. Toxicity and hazard of pesticides to honeybees : Harmonization of test methods.
  117. A simple model to describe variation between years in the early growth of sugar beet.
  118. Forecasting barley yellow dwarf virus by monitoring vector populations and infectivity.
  119. AFRC Research on straw disposal.
  120. Silt mineralogy of loess and 'till' on the Isles of Scilly. Appendix 2.
  121. The distribution of virus disease and the migrant vector aphid.
  122. Spore dispersal in relation to epidemic models
  123. Fungicidal treatment of cereal seeds.
  124. Genus Micropolyspora Lechevalier, Solotorovsky and McDurmont 1961, 11al.
  125. Genus Saccharopolyspora Lacey and Goodfellow 1975, 77al.
  126. The pathogens of diamondback moth and their potential for its control - a review.
  127. Mutation and tissue culture.
  128. A comparison of ELISA with transmission tests to detect barley yellow dwarf virus-carrying aphids.
  129. The influence of gamma irradiation and sodium hypochlorite sterilization on maize seed microflora and germination.
  130. Leaf protein after forty years.
  131. A physically-based model of the dispersion of splash droplets ejected from a water drop impact.
  132. Semi-variograms for modelling the spatial pattern of landform and soil properties.
  133. Dispersal of Pyrenopeziza brassicae spores from an oil-seed rape crop.
  134. Characterisation by two-dimensional gel electrophoresis of the protein components of protein bodies, isolated from the developing endosperm of wheat (Triticum aestivum ).
  135. Influence of pool substitution on the interpretation of fertilizer experiments with 15N.
  136. Effects of triadimenol-containing seed treatment on winter wheat infected with take-all.
  137. The effects of infection by barley yellow mosaic virus on the yield and components of yield of barley.
  138. The phylloplane microflora of ripening wheat and effect of late fungicide applications.
  139. Developmental regulation of RI Tl-DNA gene expression in roots, shoots and tubers of transformed potato (Solanum tuberosum cv Desiree).
  140. TL-DNA from Agrobacterium rhizogenes plasmid pRi1855 reduces the osmotic pressure in transformed plants grown in vitro.
  141. Genetic manipulation in potato with Agrobacterium rhizogenes
  142. Collection, detection, and identification of agents in farm dust implicated in respiratory disease.
  143. Effects of irrigation and benomyl treatment on chocolate spot (Botrytis fabae ) and yield of winter-sown field beans (Vicia fabae ).
  144. Accumulation and subcellular distribution of cations in relation to the growth of potassium-deficient barley
  145. The effect of habitat on the flight of moths orienting to pheromone sources in the field
  146. Microaggregates in red earths and related soils in East and Central Africa, their classification and occurrence.
  147. Evaluation of a method for maintaining age-structured populations of house-flies, Musca domestica L. (Diptera: Muscidae), to study the evolution of insecticide resistance
  148. Effect of drought and irrigation on the fate of nitrogen applied to cut permanent grass swards in lysimeters: Nitrogen balance sheet and the effect of sward destruction and ploughing on nitrogen mineralisation.
  149. Anistropic shrinkage of clay cores, and the interpretation of field observations of vertical soil movement.
  150. An investigation of the usefulness of phosphorus concentrations in tissue water as indicators of the phosphorus status of field-grown spring barley.
  151. Gene cloning and its potential application to mycorrhizal fungi.
  152. Sampling soil microfloras: problems in estimating concentration and activity of suspensions of mixed populations of soil microorganisms.
  153. Sampling soil microfloras: optimization of density gradient centrifugation in percoll to separate microorganisms from soil suspensions.
  154. Sampling soil microfloras: dispersion of soil by ion exchange and extraction of specific microorganisms from suspension by elutriation.
  155. Some fluorine-containing pheromone analogues.
  156. The nature, origin and geomorphological significance of Clay-with-flints.
  157. Insecticidal amides with selective potency against a resistant (Super-kdr) strain of houseflies (Musca domestica L.)
  158. Metal residues in soils previously treated with sewage- sludge and their effects on growth and nitrogen fixation by blue-green algae.
  159. Carbon and nitrogen metabolism in barley (Hordeum vulgare L) mutants lacking ferredoxin-dependant glutamate synthase.
  160. Application of simple leaching models in heterogeneous soils.
  161. The growth and activity of winter wheat roots in the field: nutrient inflows of high-yielding crops.
  162. The growth and activity of winter wheat roots in the field: nutrient uptakes of high-yielding crops.
  163. Microbial phosphorus in soils.
  164. Phosphate fertilisers - is water solubility important?
  165. Vesicular-arbuscular mycorrhizas and the phosphorus physiology of plants.
  166. Modelling the long-term residual effects of phosphorus residues in soil.
  167. Cadmium accumulation in soils from long-continued applications of superphosphate.
  168. Carbon and nitrogen metabolism in a barley (Hordeum vulgare L.) mutant with impaired chloroplast dicarboxylate transport.
  169. Wheat gluten structure. The key to improving breadmaking quality.
  170. Techniques of applying nematicides to soil.
  171. The pathogenesis-related proteins of tobacco leaves
  172. The effect of drought on the root growth of winter wheat and on its water uptake from a deep loam.
  173. Evidence for a female sex pheromone in the brassica pod midge Dasineura brassicae .
  174. Soil organic matter, effects on soils and crops
  175. The influence of weeds on aphid-specific natural enemies in winter wheat.
  176. Host plant effects on hybrids of Rhizobium leguminosarum Biovars viceae and trifolii .
  177. The detection of acute paralysis virus in Varroa jacobsoni by the use of a simple indirect ELISA.
  178. Using synthetic pheromone lures to attract honeybee colonies in Kenya.
  179. The dynamics of nitrogen uptake and its remobilization during the growth of sugar beet.
  180. Interference between potyviruses during aphid transmission
  181. Effects of rainfall intensity and duration on dispersal of Rhyncosporium secalis conidia from infected barley leaves
  182. Growth, water uptake and calcium content of potato cultivars in relation to tolerance of cyst nematodes.
  183. Effects of Globodera rostochiensis and water stress on shoot and root growth and nutrient uptake of potatoes.
  184. A technique for the extraction and restriction endonuclease digestion of total DNA from Globodera rostochiensis and Globodera pallida second stage juveniles.
  185. Quantitative and qualitative variation in the mRNA for carboxylesterases in insecticide-susceptible and resistant Myzus persicae (Sulz).
  186. DNA restriction fragment length polymorphism at hordein loci: application to identifying and fingerprinting barley cultivars.
  187. Primary structure and differential expression of glutamine synthetase genes in nodules, roots and leaves of Phaseolus vulgaris .
  188. Improvements in regeneration from protoplasts of potato and studies on chromosome stability. 1. The effect of initial culture media
  189. Mycorrhizae of nitrogen-fixing legumes.
  190. Electrogenic H+-pumping pyrophosphatase in tonoplast vesicles of oat roots.
  191. Combining nested and linear sampling for determining the scale and form of spatial variation of regionalized variables.
  192. Biochemical characterisation of Nicotiana plumbaginifolia auxotrophs that require branched-chained amino acids.
  193. Varietal and fertilizer effects on straw phytotoxins.
  194. The genetics of rye seed proteins
  195. A computer program for evaluating risks in constructing choropleth maps by point sampling along transects.
  196. Structure of a silty soil in relation to management.
  197. Sulphur - crop nutrient and fungicide.
  198. Hatching from cysts and egg sacs of Heterodera cruciferae and effects of temperature on hatching and development of oilseed rape.
  199. How roots grow: a study in the field.
  200. Metric and Euclidean properties of dissimilarity coefficients
  201. Atmospheric deposition at Rothamsted, Saxmundham and Woburn Experimental Stations, England, 1969-1984.
  202. The influence of soil macroporosity on water retention, transmission and drainage in a clay soil.
  203. Characterization of prolamins from meadow grasses: homology with those of wheat, barley and rye.
  204. Modelling adult survival in the laboratory of diapause and non-diapause Colorado beetle Leptinotarsa decemlineata (Coleoptera: Chrysomelidae) from Normandy, France.
  205. The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at Rothamsted from 1981 to 1983.
  206. The relationship of soil mineral NO3-N with NO3-N concentration, and of fertilizer -N with the amount of nitrogen taken up by winter wheat, in experiments testing nitrogen fertilizer in combination with aphicide and fungicides, from 1980 to 1982.
  207. Application of dynamic jump process analysis to modelling tiller production in winter wheat.
  208. A comparison of the effects of prilled urea, used alone or with a nitrification or urease inhibitor, with those of 'Nitro-Chalk' on winter oil-seed rape.
  209. Potency of nitrification inhibitors following their repeated application to soil.
  210. The influence of particle size distribution on soil physical properties.
  211. Application of drainage theory in the field.
  212. Results from experiments on winter barley measuring the effects of amount and timing of nitrogen and some other factors on the yield and nitrogen content of the grain
  213. The nitrogen nutrition of sugar beet - an approach to better forecasting of nitrogen fertiliser requirement.
  214. Effects of row application of insecticides at sowing on leaf miner (Pegomya betae ) injury to sugar beet.
  215. Cellular compartmentation in plant nutrition: the selective cytoplasm and the promiscuous vacuole.
  216. Evidence for the involvement of a UDP-glucose-dependent group translocator in sucrose uptake into vacuoles of storage roots of red beet.
  217. Insecticides and nematicides for sugar beet.
  218. Fertilizer use - experiments and surveys.
  219. Controlling Docking disorder.
  220. Green aphids: their importance and how to identify them.
  221. Fodder beet clamps as a source of virus yellows.
  222. Weed beet through the rotation.
  223. Putting nitrogen predictions on the screen. The soil and crop nitrogen viewdata service from Rothamsted and ADAS.
  224. Identification of vesicular-arbuscular mycorrhizal fungi in roots of leek (Allium porrum L.) and maize (Zea mays L.) on the basis of enzyme mobility during polyacrylamide gel electrophoresis.
  225. A re-examination of the evidence for a Plio-Pleistocene marine transgression on the Chiltern Hills. III. Deposits.
  226. Melon rugose mosaic virus, the cause of a disease of watermelon and sweet melon.
  227. The development of eyespot (Pseudocercosporella herpotrichoides) lesions in winter wheat crops
  228. The effects of two ammonium propionate formulations on growth in vitro of Aspergillus species isolated from hay.
  229. Water relations and metabolism of propionate in two yeasts from hay.
  230. Extraction of microorganisms from soil.
  231. Water-table heights in drained anisotropic homogeneous soils.
  232. Numerical tables: guidelines for presentation.
  233. Experimental determinations and computer predictions of trace metal ion concentrations in dilute complex solutions.
  234. The classification and nomenclature of wheat gluten proteins: a reassessment.
  235. Alteration of the activity of ribulose-1, 5-bisphosphate carboxylase through manipulation of its structure and regulation.
  236. Protein concentration of grain in relation to some weather and soil factors during 17 years of English winter-wheat experiments
  237. Some general principles of crop rotation experiments
  238. Effects of exogenous amino acids on growth and activity of four aspartate pathway enzymes in barley.
  239. Changes in translatable poly(A) RNA from a differentiated potato tissues tramsformed with shoot-inducing Ti Tl-DNA of Agrobacterium tumefaciens.
  240. Cooperation between the subunits of a higher plant Rubisco: a superactive state of the enzyme.
  241. Regions of the large subunit of Rubisco that compose the active site.
  242. Recurrent luck in research [Chapter 10]
  243. Ordination and classification.
  244. Biochemical characterisation of an auxotroph of Datura innoxia requiring isoleucine and valine.
  245. Fungal hosts for the chrysanthemum nematode, Aphelenchoides ritzemabosi .
  246. Separation of pyrethroid enantiomers by chiral high-performance liquid chromatography.
  247. A selective survey of potato cyst-nematode in Great Britain.
  248. Phosphorus and potassium problems in plant production, and how to solve them.
  249. The effect of soil physical changes introduced by mole drainage and cultivation on the removal of rainfall.
  250. Nitrate in water draining from arable land under autumn sown crops and the influence of cultivation.
  251. Field assessment of the relative importance of different species in the transmission of potato virus Y.
  252. Chromosomal locations of the structural genes for secalins in wild perinnial rye (Secale montanum Guss.) and cultivated rye (S. cereale L.) determined by two-dimensional electrophoresis.
  253. Computer simulation of winter leaching losses of nitrate from soils cropped with winter wheat.
  254. Confessions of a narrow-minded applied biologist, or why do interdisciplinary research?
  255. Soil acidification during more than 100 years under permanent grassland and woodland at Rothamsted
  256. Crop uptake and leaching losses of 15N labelled fertilizer nitrogen in relation to waterlogging of clay and sandy loam soils.
  257. Effects of soil and fertilizer P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk
  258. A re-examination of the evidence for a Plio-Pleistocene marine transgression on the Chiltern Hills. II. Drainage patterns.
  259. Improved efficiency of genotype-dependent regeneration from protoplasts of important potato cultivars.
  260. Changes with time in the destribution of virus and PR protein around single local lesions of TMV infected tobacco.
  261. Introducing Erynia neoaphidis into a field population of Aphis fabae : form of the inoculum and effect of irrigation.
  262. Detection of insecticide resistance by immunological estimation of carboxylesterase activity in Myzus persicae (Sulzer) and cross reaction of the antiserum with Phorodon humuli (Schrank) (Hemiptera: Aphididae).
  263. Techniques for studying the uptake and translocation of pesticides in plants.
  264. Inactivation of ribulose-bisphosphate carboxylase by limited proteolysis. Loss of the catalytic activity without disruption of bisphosphate binding or carbamylation.
  265. Relationships between chemical structure and phloem mobility in Ricinus communis var. Gibsonii with reference to a series of w-(Naphthoxy)alkanoic acids.
  266. Epidemics of take-all during 16 years of continuous spring barley.
  267. The use of pyrethroids to protect planting material against aphid-borne viruses.
  268. Take-all distribution and soil type on Chalky Boulder clay.
  269. The pollination requirements of oil-seed rape (Brassica napus L.)
  270. The development of endomycorrhizal root systems. VI. The relationship between development of infection, and intensity of infection in young leek roots.
  271. Petrography of deposits above and below the Hoxnian interglacial sediments.
  272. A mist irrigation system for use in hydraulic conductivity measurements on small field plots.
  273. Nitrates in surface and underground waters.
  274. The interaction between the supplies of water and of nutrients available to crops: implications for practical progress and for scientific work.
  275. Characterization of vesicular-arbuscular mycorrhizal fungi (Glomus spp) by selective enzyme staining following polyacrylamide gel electrophoresis.
  276. X-ray anomolous scattering difference patterns in qualitative and quantitative powder diffraction analysis.
  277. A re-examination of the evidence for a Plio-Pleistocene marine transgression on the Chiltern Hills. I. Structures and surfaces.
  278. Obituary - P.H. Gregory.
  279. Nitrogen fixation and oxygen in legume root nodules.
  280. The role of the Rothamsted Insect Survey in aphid monitoring and forecasting.
  281. Biocontrol of cereal aphids in the United Kingdom by a range of natural enemies.
  282. Nutrient fluxes in the rhizosphere of high-yielding grain crops.
  283. Osmotic factors affecting sucrose storage and mobilisation in storage roots of Beta Vulgaris L. PhD thesis, University of Southampton
  284. Classification of amycolate wall chemotype IV actinomycetes.
  285. Some aspects of the feeding behaviour of slugs in the potato crop.
  286. Molecular cloning of the double-stranded RNA of beet cryptic viruses.
  287. Colonization of root systems by vesicular-arbuscular mucorrhizal fungi.
  288. Euclidean distance matrices
  289. Nitrification in soil : an introductory history.
  290. Biotechnology's potential for crop improvement.
  291. Prospects for greater exploitation of symbiosis.
  292. Biotechnology in the service of pest control.
  293. Use of alarm pheromone and derivatives against aphid-mediated damage.
  294. Flavonoids in the human diet
  295. Chromosome variation in regenerated plants.
  296. The transfer of genetic information in crop plants by somatic fusion of protoplasts.
  297. Cellular engineering by gamma fusion and egg transformation : recent experimental data and applications in plant breeding.
  298. Characterization of pyrophosphate : fructose 6-phosphate phosphotransferase from potato tubers.
  299. Properties of purified potato phosphofructokinase from potato (Solanum tuberosum cv. Record).
  300. Glutamine synthetase-deficient mutants of barley (Hordeum vulgare ).
  301. Molecular cloning of beet cryptic virus dsRNA.
  302. Somaclonal variation in wheat.
  303. Chromosome variation in plants regenerated from protoplasts and cultured plant tissues.
  304. Cellular engineering by means of gamma fusion : genetic variation in fusion products.
  305. Developments in the culture of plant protoplasts and cells and their regeneration to plants.
  306. Barley mutants deficient in chloroplast glutamine synthetase.
  307. Characterization of two chlorophyll b-deficient, azide-derived mutants of barley.
  308. Genetic analysis of photorespiratory mutants in barley.
  309. Specific activity of Rubisco from wheat and maize leaves.
  310. Expression of genes of ribulose 1,5-bisphosphate carboxylase in bacteria.
  311. Limited proteolysis of Rubisco and loss of catalytic activity.
  312. Diurnal regulation of Rubisco by a phosphorylated inhibitor.
  313. Photorespiratory mutants of barley (Hordeum vulgare ).
  314. Isozymes of phosphoglycollate phosphatase missing in a photorespiratory mutant of barley.
  315. A barley mutant deficient in RuBP carboxylase.
  316. Expression of bacterial Rubisco genes in Escherichia coli .
  317. Transient expression of CAT in wheat protoplasts.
  318. Protoplast fusion of Solanum species.
  319. Direct gene transfer in Nicotiana protoplasts by electroporation of the neomycin phosphotransferase gene.
  320. The structure of C hordein.
  321. Somaclonal variation in explant-derived potato clones over three tuber generations.
  322. Multivariate analysis of ecological communities.
  323. Structure activity relationship to pyrethroid insecticides in house flies (Musca domestica L.) with kdr and super-kdr
  324. Design criteria for a flexible statistical language.
  325. On identifying yeasts and related problems.
  326. Bivariate analysis for intercropping experiments.
  327. Fertilizer use on farm crops in England and Wales 1985.
  328. Developing intelligent software for non-linear model fitting as an expert system.
  329. Stability analysis of intercropping and monocropping systems.
  330. Collembola from earthworm rearing beds at Rothamsted, including three new records for Britain.
  331. A rational approach to the control of barley yellow dwarf virus.
  332. Potato diseases and their control.
  333. Treatment of potatoes used for seed.
  334. Potatoes - the importance of producing disease-free planting material.
  335. Variation in eyespot populations.
  336. The chemical induction of PR(6) proteins and resistance to TMV infection in tobacco
  337. Effects of delaying fungicide treatment of wounded potatoes on the incidence of Fusarium dry rot in store.
  338. Phoma and Fusarium rots on imported 'new' potatoes.
  339. Mycoplasma-like organisms in clove trees affected by sudden death disease in Zanzibar and Pemba.
  340. Transmission characteristics and some other properties of bean yellow vein-banding virus, and its association with pea enation mosaic virus
  341. Molecular cloning of the double-stranded RNA of beet cryptic viruses.
  342. Evaluation of existing resistance - management strategies against arthropod pests of cotton.
  343. Resistance to synthetic pyrethroids can be countered successfully.
  344. Rapport general sur 'Les insectes et la resistance aux insecticides. Solutions actuelles et perspectives.
  345. Insecticidal treatment of cereal seeds.
  346. Biology of seed treatment.
  347. The response of resistant houseflies to an unsynergised and synergised N-alkylamide.
  348. Operational counter-measures for resistance : theory and practice.
  349. Electrostatic sprayers for behaviour-controlling chemicals.
  350. Exploiting new concepts in sprayer technology.
  351. Report of tests of propheromones as mating disruptants against two bollworm pests of cotton in Pakistan 1985.
  352. Potentiation of super-kdr resistance to deltamethrin and other pyrethroids by an intensifier (factor 161) on autosome 2 in the housefly (Musca domestica L.).
  353. The circadian flight activity of Aedes aegypti parasitized with the filarial nematode Brugia pahangi.
  354. Foliar sprays against potato common scab : compounds related to 3, 5-dichlorophenoxyacetic acid.
  355. Control of damage by Sitona lineatus in autumn sown faba beans.
  356. Costaconvexa polygrammata Bork. (Lep: Geometridae) on Jersey.
  357. Thaumatopoea processionea L. (Oak Processionary) and Lymantria dispar L. (Gypsy) on Jersey, 1984.
  358. Eupithecia tenuiata Hb. (Slender Pug) in Inverness-shire.
  359. A review of the status of Eupithecia goossensiata Mab. (Ling Pug) and E. absinthiata (Wormwood Pug) (Lep: Geometridae).
  360. Further records of fleas (Siphonaptera) from birds' nests on Bardsey Island.
  361. Further evidence for a female sex pheromone in the blackcurrant leaf midge, Dasineura tetensi .
  362. Evaluation of Entomophthorales for aphid control : laboratory and field data.
  363. Liquid nitrogen storage of Entomophthorales.
  364. The incidence of acute paralysis virus in honey bee colonies infested with the parasitic mite Varroa jacobsoni.
  365. Assay of acute paralysis virus in populations of Apis mellifera and Varroa jacobsoni by ELISA.
  366. Virus yellows of sugar beet.
  367. Comparative studies of the sugar beet yellowing viruses : field incidence and effect on yield.
  368. Rhizoctonia solani and the Barney patch disorder.
  369. Thiram steep treatments for the control of Phoma betae .
  370. The occurrence and control of sugar-beet powdery mildew.
  371. Comparative epidemiology of beet yellows virus and beet mild yellowing virus in sugar beet.
  372. Water use and fibrous root growth of sugar beet
  373. Field performance of synthetic diamondback moth sex pheromones.
  374. A Genstat macro for the bivariate analysis of intercropping data.
  375. A program for routine analysis of cereal nitrogen response data.
  376. Tillage effects on soil moisture, root development and crop water extraction.
  377. Observations on the curation of plant and soil nematodes.
  378. Effects of some agrochemicals on the growth of two nematophagous fungi, Verticillium chlamydosporium and Cylindrocarpon destructans .
  379. Thermodynamics applied to potassium exchange in aluminosilicate minerals and soils.
  380. The use of acid insoluble residue to correct for the presence of soil-derived metals in the gut of earthworms used as bio-indicator organisms
  381. The analysis of groundwater flows in unconfined aquifers with nonuniform hydraulic conductivity.
  382. Species variation in the predawn inhibition of ribulose-1,5-biphosphate carboxylase/oxygenase.
  383. Construction of a Tn5 derivative determining resistance to gentamicin and spectinomycin using a fragment cloned from R1033.
  384. Dinitrogen fixation by obligate and facultative anaerobic bacteria in association with cellulolytic fungi.
  385. Trifluralin and chlorsulfuron residues - how to recognise the symptoms; and where to look for clues.
  386. Honey bee pheromones : some recent developments in controlling honey bee behaviour.
  387. The classification and mapping of potassium reserves in soils of England and Wales.
  388. The role of soil measurements in understanding the effects of seedbed cultivation on seedling emergence.
  389. Developments in use of insecticide treatments of sugar-beet seed.
  390. A nocturnal inhibitor of carboxylation in leaves.
  391. Recent developments in the control of nematode and and soil-arthropod pests of sugar beet.
  392. Chromosomal location of seed storage protein genes in the genome of Elytrigia elongata .
  393. Lectin levels in tissues of cultured immature wheat embryos.
  394. Nitrogen in UK arable agriculture.
  395. Nitrification inhibitors in agriculture.
  396. Factors affecting mycotoxin production.
  397. Trace elements in arable agriculture. Hills Bequest Lecture of the Royal Agricultural Society of England.
  398. Production, preservation and use of leaf protein
  399. The pyrethrins and related compounds. Part XXX : Esters from acids with mono-halovinyl side chains.
  400. The pyrethrins and related compounds. Part XXIX : Haloallylbenzyl esters.
  401. The pyrethrins and related compounds. Part XXVIII : Alkenyl- and alkynyl-substituted benzyl esters.
  402. Extractibility and bioavailability of zinc, nickel, cadmium and copper in three Danish soils sampled 5 years after application of sewage sludge.
  403. Studies of elemental composition as a biological marker in insects. V. The elemental composition of Rhopalosiphum padi (L.) (Hemiptera: Aphididae) from Prunus padus at different localities
  404. The influence of an alternative food on the effectiveness of proprietary molluscicidal pellets against two species of slugs.
  405. Rectangular lattice designs : efficiency factors and analysis.
  406. Some problems in the chemical control of potato tuber diseases.
  407. The susceptibility of stems of different potato cultivars to blackleg caused by Erwinia carotovora subsp. atroseptica.
  408. The combined use of mineral oils and pyrethroids to control plant viruses transmitted non- and semipersistently by Myzus persicae.
  409. The susceptibility of barley cultivars to barley yellow mosaic virus (BaYMV) and its fungal vector, Polymyxa graminis .
  410. Isoelectric focusing studies on root-knot nematodes.
  411. A Markov-chain particle dispersion model based on air flow data : extension to large water droplets.
  412. A rain tower and a wind tunnel for studying the dispersal of plant pathogens by rain and wind
  413. Multifactorial studies of causes of variation in growth and yield of winter wheat over six years.
  414. Photosynthesis : metabolism, control and physiology.
  415. Philip Herries Gregory (1907-1986).
  416. Microascus cinereus (Emile-Weil & Gaudin) Curzi - a human pathogen?
  417. Estimating and mapping grass cover and biomass from low-level photographic sampling.
  418. Leaf protein for overcoming hunger in the world
  419. Looking to the future
  420. An analysis of crack pattern in clay soil : its density and orientation.
  421. Choosing functions for semi-variograms of soil properties and fitting them to sampling estimates.
  422. Computer mapping in the Rothamsted Insect Survey.
  423. The Rothamsted Insect Survey : forecasting aphids and the diseases they transmit.
  424. Enhancing parasitoid activity in crops.
  425. Identification of homologous globulins from embryos of wheat, barley, rye and oats.
  426. Problems in developing chemical control of slugs.
  427. Assessing the risk form potato virus Y in seed saved from potato crops grown in England.
  428. Effect of different insecticides on the selection and control of highly resistant Myzus persicae .
  429. Developing robust multivariate methods using Genstat.
  430. Potassium - calcium exchange equilibria in aluminosilicate minerals and soils.
  431. Stochastic model of the leaf area expansion of the sugar-beet plant in a field crop.
  432. Protoplast regeneration and somatic hybridization of potato (Solanum tuberosum L.).
  433. Characterization and comparative studies of the seed storage proteins of oats.
  434. Introducing genetics
  435. The ensiling of grass: effects of wilting and additives
  436. Silage: factors determining feed value and the effects of supplements
  437. Producing beef from grazed grass and grass-clover swards
  438. Permanent grassland research
  439. Keys to efficient grassland systems
  440. Improving predictions of silage density
  441. Evaluation of grass by animal production
  442. Eurowilt: coordinated research on the field wilting of grass for silage
  443. Effects of treading, poaching and fouling on grassland production and utilization
  444. Can grass growth predictions be used with confidence on the farm?
  445. Better grass
  446. Agroforestry systems for the lowlands