Study on the Control Effects of Several Insecticides to Plutella xylostella Linne of Cruciferae Vegetables
Ligong Ma
Abstract
Ligong Ma
Abstract
The control effects of five insecticides to Plutella xylostella Linne of cruciferae vegetables were studied.The result of the experiments showed that 2% Avermectin powder ME and 5% Lambda-cyhalothrin EW possessed comparatively satisfied effect on the prevention and control of the Plutella xylostella Linne.The prevention effect was more than 82.4% after 2 d,and than 90.8% after 7 d.2.2% emamectln benzoate ME,2.2% emamectln benzoate ME and 2.5% decamethrin Ec had a good control effect against it and the prevention effect was more than 69.2% after 2 d,and than 87.8% after 7 d.
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The control effects of five insecticides to Plutella xylostella Linne of cruciferae vegetables were studied.The result of the experiments showed that 2% Avermectin powder ME and 5% Lambda-cyhalothrin EW possessed comparatively satisfied effect on the prevention and control of the Plutella xylostella Linne.The prevention effect was more than 82.4% after 2 d,and than 90.8% after 7 d.2.2% emamectln benzoate ME,2.2% emamectln benzoate ME and 2.5% decamethrin Ec had a good control effect against it and the prevention effect was more than 69.2% after 2 d,and than 87.8% after 7 d.
Key concepts: Plutella, Avermectin, Toxicology, Biology, Botany, Larva, Anatomy