Effect of Three Protection Pesticides on Tobacco Beetle
Xue Baoyan
Abstract
Xue Baoyan
Abstract
The contacting toxic ability of pirimiphos-methl,thralomethric and DDV to the tobacco beetles,Lasioderma serricorne(Fabricius)was tested. Two different diets in the laboratory were raised and these recursive equations of their toxic ability and the LC_(50) were respectively gained. The results showed that the gradation of toxic ability of the three protection pesticides acting the cigarette beetle was:thralomethricpirimiphos-methlDDVP.Besides,the different diets had influenced the pesticide susceptibility obviously.
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The contacting toxic ability of pirimiphos-methl,thralomethric and DDV to the tobacco beetles,Lasioderma serricorne(Fabricius)was tested. Two different diets in the laboratory were raised and these recursive equations of their toxic ability and the LC_(50) were respectively gained. The results showed that the gradation of toxic ability of the three protection pesticides acting the cigarette beetle was:thralomethricpirimiphos-methlDDVP.Besides,the different diets had influenced the pesticide susceptibility obviously.
Key concepts: Lasioderma serricorne, Pesticide, Toxicology, Gradation, Biology, Larva, Botany, Agronomy