Extended summaries sci pesticides group symposium management of Bemisia tabaci

The following are extended summaries based on papers presented at a meeting of the Physicochemical and Biophysical Panel of the SCI Pesticides Group, held on 25 January 1994 at the SCI, 14/15 Belgrave Square, London SWIX 8PS, UK. The summaries published here are entirely the responsibility of the authors and do not reflect the views of the Editorial Board of Pesticide Science.     

Extended summaries sci pesticides group symposium third international symposium on adjuvants for agrochemicals. Structure and chemistry of plant cuticles

The following are extended summaries based on papers presented at a meeting of the Physicochemical and Biophysical Panel of the SCI Pesticides Group, held on 3-7 August 1992 at Churchill College, Cambridge University. Cambridge, UK. The summaries published here are entirely the responsibility of the authors and do not necessarily reflect the views of the Editorial Board of Pesticide Science.     

Extended summaries SCI pesticides group symposium postgraduate research on ligand—receptor interactions in invertebrates

The following are extended summaries based on papers presented at a meeting of the Physicochemical and Biophysical Panel of the SCI Pesticides Group, held on 24 March 1992 at the SCI, 14/15 Belgrave Square, London, UK, SW1X 8PS. The summaries published here are entirely the responsibility of the authors and do not necessarily reflect the views of the Editorial Board of Pesticide Science.     

Extended summaries pesticides group symposium physicochemical properties as factors affecting the penetration of xenobiotics to the target site

Allyl alcohol esters (propionate, formate, and acetate) and structurally related compounds (3-methylallyl alcohol and vinyl acetate) were evaluated for their fumigation properties vis-a-vis Theba pisana (Mueller) snails. The esters were very effective in exterminating the snails, although less so than the parent alcohol. These results suggest that the esters might first have to undergo hydrolysis, and only thereafter demonstrate their potency. 3-Methylallyl alcohol (four-carbon member) and vinyl acetate (two-carbon member, after hydrolysis) were significantly less potent than the allyl esters. All three esters showed less phytotoxicity towards roses than did allyl alcohol itself. However, only allyl acetate caused no damage whatsoever to the entire plant tested (flower, leaves, sepals, and stem).     

Extended summary agriculture and bio-organic groups of the RSC and the SCI pesticides group symposium chemical aspects of biological control. The production of chemicals by biological control agents

The following extended summary is based on a paper presented at the above meeting organised by R. L. Richards and L. G. Copping on behalf of the Agriculture and Bio-organic Groups of the RSC and the SCI Pesticide Group, held on 21 November 1994 at Brighton, UK. The summary published here is entirely the responsibility of the author and does not reflect the views of the Editorial Board of Pesticide Science.     

Extended summaries SCI pesticides group symposium current themes in pharmaceuticals and agrochemicals: Principles and differences. Accumulation and elimination of herbicides in selected crop and weed species

The following are extended summaries based on papers presented at the above symposium, which was organised by A. H. Cobb and R. C. Kirkwood on behalf of the Physicochemical and Biophysical Panel of the SCI Pesticides Group and the Strathclyde Institute for Drug Research, respectively and held at the SCI, 14/15 Belgrave Square, London on 7 December, 1993.     

Extended summaries: Pesticides group and physicochemical and biophysical panel symposium: The impact of genetic engineering on pest management. Engineering insect resistance into crop plants

Residue levels of organophosphorus, organochlorine and carbarmate insecticides, urea, carbamate and anilide herbicides, carbendazim, fumigants and bromide were determined in home-grown and imported wheat sampled at UK flour mills during the period February 1987 to December 1988. A total of 764 samples was analysed but not all the wheats were tested for all the residues; 140 of 474 samples examined for organophosphorus insecticides contained residues at levels above the reporting limit, 23 of 119 samples contained residues of gamma-HCH, seven of 104 contained carbon tetrachloride and one of 104 contained 1,2-dibromoethane. No residues of urea, carbamate or anilide herbicides, carbendazim, carbaryl or methyl bromide were detected in 32, 40, 44 and 45 samples respectively. Inorganic bromide levels in 45 samples examined were consistent with natural occurrence. Only a single imported wheat was found to contain a residue (of 1,2-dibromoethane) at a level in excess of UK statutory maximum residue levels.     

我国作物病虫害生物防治研究与应用最新进展

本文总结了近5年来我国在作物病虫害生物防治研究和应用方面的最新进展, 包括作物害虫、病害(真菌、细菌和病毒病)和线虫的生物防治、植物免疫和昆虫性信息素的研究和应用, 以及新方法和新技术在作物病虫控制中的应用。同时, 与国外的研究进展进行了比较, 指出了存在的主要问题、发展趋势与对策建议。     

Extended summary SCI pesticides group/BCPC international symposium comparing glasshouse and field pesticide performance. Comparing glasshouse and field performance of pesticides: An appraisal

The following is an extended summary based on a concluding paper presented at the above symposium, which was organised by G. Hewitt, D. Tyson, L. C. Copping, B. T. Grayson and J. C. Caseley on behalf of the British Crop Protection Council and the SCI Pesticides Group, and held at the University of Kent, Canterbury, on 12–14 April 1994. The summary is entirely the responsibility of the author, and does not necessarily reflect the views of the Editorial Board of Pesticide Science.