نتایج جستجو برای: commercial insecticides
تعداد نتایج: 152009 فیلتر نتایج به سال:
Newer, selective insecticides with few negative impacts on natural enemies and competitor species are needed for effective, sustainable management of the western flower thrips, Frankliniella occidentalis (Pergande). The purpose of this study was to evaluate the impacts on natural enemies and competitor thrips species of insecticides used for control of western flower thrips in fruiting vegetabl...
Insecticides are chemical agents used to control insects, but humans are usually exposed to insecticides and this may have a long term toxicological effects on their health. Different brands of insecticides including Baygon, Mobile, Mortein and Total were subjected to Ames spot Forward Mutation Assay, using Escherichia coli. The assay was examined for the presence of revertant strains of the or...
The rice stink bug [Oebalus pugnax (F.)] is one of the important pests commonly found in Arkansas rice fields. When outbreaks in fields reach critical levels, an insecticide application is an option. Pyrethroid and organophosphate insecticides usually give excellent contact mortality, but both groups lack any significant residual activity. Two insecticides, dinotefuran and clothianidin, were te...
Trunk injection is a targeted delivery of pesticides, insecticides, nutrients, or other plant protection materials into the stem trunk woody plants as an alternative to spraying soil drenching. has historically been used for disease and pest management high-value forest tree species ornamental when aerial applications are problematic due spatial problems health-related concerns. An interest in ...
fifty percent of world argricultural production is destroyed by insects each year. therefore, enormous quantities of insecticides are consumed to control these pests. as an example, france is using 35000 metric tons insecticide every year. some of the methods used for spraying and applying insecticides tend to increase the pollution of natural waters . in this article different factors causing ...
Toxicity of 17 commonly used insecticides used to control diamondback moth, Plutella xylostella (L.) was evaluated against adults of Cotesia plutellae Kurdjumov. The insecticide concentrations studied were equivalent to those recommended in the field. Adults of the parasitoid were released into exposure kits with fresh dry insecticide film for 24 hours, at which time mortalities were noted. The...
Background and Aim: insecticides are widely used for protecting of agriculture and stored products. Organophosphorus insecticides are used more than other pesticides in agriculture. Therefore the residue of these insecticides in environment such as water may be hazardous to human health. Golestan Province is one of the important agricultural zones in north of Iran. In this area, azinphosmetyl a...
background: the irritant effect of some insecticides can cause a proportion of mosquitoes to leave the sprayed rooms before acquiring a lethal dose, so the repeated contact al sub-lethal dose may lead to extent the resistance. methods: larvae and pupae of culex pipiens complex were collected in mass from open canals of waste water in capital city tehran and reared to obtain the first generation...
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