determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes - gas chromatographic method after liquid-liquid extraction
The growth and esterase activity of beet armyworms and their sensitivity to insecticides were apparently influenced by their host plants.
Toxicity of 8 insecticides to the larvae of Henosepilachna vigintioctopunctata Fabricius and its major larval parasite, pediobius foveolatus Crawford , was investigated in the laboratory.
The disease would always find a way to sneak out of any trap, whether through vectors adapting to a new ecology, or the development of resistance to front-line medicines and insecticides.
Farm workers frequently come in contact with these insecticides.
Nearly 90% of exposures involved insecticides containing pyrethroids, pyrethrins or both.
I suffer a lot if I breathe in dust, tobacco smoke, coal fumes, insecticides or something with a particular odor.
Establishment of baseline susceptibility data to various insecticides for aphids Rhopalosiphum padi(Linnaeus)and Sitobion avenae(Fabricius)(Homoptera:Aphididae)by the method of residual film in glass tube
Feverfew and pyrethrum are used in insecticides.
Whoever produces fake insecticides, fake animal-use medicines, fake chemical fertilizers or knowingly sells insecticides, animal-use medicines, chemical fertilizers and seeds which are fake or are no longer effective
Fruit growers are being urged to look for alternative pest controls as government regulators look to quash the use of insecticides deemed unsafe by farmworker advocacy groups.
"Various fatty acids pairs distinguish the various lecithins. Commercial lecithin, a wetting and emulsifying agent used in animal feeds, baking products and mixes, chocolate, cosmetics and soap, insecticides, paint, and plastics, is a mixture of lecithins and other phospholipids in an edible oil. "
As a chemical it's also used in insecticides, water purification, sewage treatment and the production of ammonia.
The S421 is a synergist of insecticides, and this paper studied its contents in 28 kinds of pesticide, and its residue and degradation dynamic in jasmine flower and tea.
The control of cucurbit wilt has been based on chemical insecticides applied for beetle control.
In the case of cotton, which is heavily sprayed with chemical insecticides, the addition of a bacterial gene that poisons budworms and bollworms could help farmers and the environment alike.
During outbreaks, emergency vector control measures can also include broad application of insecticides as space sprays using portable or truck-mounted machines or even aircraft.
Ultimately, the researcher hopes his workwill lead to practical applications, such as biological insecticides that cantarget pests.
Aim: to analyse the resistance situation for house fly to insecticides in Suzhou city form 1982to 1996, and work out the practical tactics for control.
I have decided to specialize in plant chemicals that can be used for insecticides.
Laboratory efficacy criterions of public health insecticides for pesticide registration-Bait.
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