New Synthetic Pyrethroids
نویسندگان
چکیده
منابع مشابه
Synthetic Pyrethroids: Toxicity and Metabolism
Synthetic Pyrethroids are synthetic analogs of naturally occurring pyrethrins, found in extract from Chrysanthemum flowers. They were launched as a replacement of highly toxic class of pesticides like DDT and Organophosphates in 1980s. Major success of pyrethroids lies in the low toxicity of them towards mammals as well as humans and due to which they have wide range of applications right from ...
متن کاملDegradation, metabolism and toxicity of synthetic pyrethroids.
Synthetic pyrethroidal compounds undergo biodegradation in mammals both oxidatively and hydrolytically, and depending on the type of compound, either of the pathways may predominate. Thus, (+) - or (+/-) -trans isomers of the chrysanthemumate ester of primary alcohols such as fenothrin, furamethrin, proparthrin, resmethrin, and tetramethrin (and possibly permethrin, too) are metabolized mainly ...
متن کاملEffects of Synthetic Pyrethroids on Phosphate Solubilizing Activity of Microorganisms
Pesticides are the important agrochemicals used for prevention of crops from pests. Their use has been largely increased in last few decades. The application of pesticides starts from the pre sowing stage. Different treatments include soil application, seed treatment, foliar spray, etc. Repeated applications of pesticides contaminate the soil. Soil is the most important site of biological inter...
متن کاملThe Chemistry, Metabolism and Pesidue Analysis of Synthetic Pyrethroids
The chemical properties and metabolism of the synthetic I phenothrin, permethrin , cypermethrin , decamethrin and fenvalenate are reviewed. With the exception of decamethrin, which is a single stereoisomer, all the other rethroids discussed are used as a mixture of isomers. These chemicals are all relatively non—volatile; they have very low solubility in water, and can all be hydrolysed at the ...
متن کاملSusceptibility difference in two populations of Culex quinquefasciatus Say (Diptera: Culicidae) to three synthetic pyrethroids.
Three synthetic pyrethroids were tested for their efficacy against two populations of the filariasis vector Culex quinquefasciatus under laboratory conditions following the WHO procedure, Emulsifiable concentration and technical grade formulations of deltamethrin (2.5% wp), cypermethrin (1.0% EC) and permethrin (25% EC) were employed on the larvae of the said species collected from Mysore and M...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1971
ISSN: 0002-1369
DOI: 10.1080/00021369.1971.10860022