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《Agrochemicals Research & Application》 2009-04
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Toxicity Evaluation of Six Pesticides to Silkworm

HE Ming-yuan, CHENG Fei-xue, WANG Zhong-yong, LIU Yong, ZHANG Yong-de (Hunan Plant Protection Institute, Changsha 410125, China)  
The acute toxicities of 6 pesticides to silkworm, Bombyx mori, were evaluated in laboratory by using the leaf dipping method. The acute toxicity was graded and the safety evaluation was made for these pesticides. The results indicated that the LC50 of β-Cypermethrin is lower than 0.5 mg / kg, belonging to virulent toxicity grade. Three other insecticides including imidacloprid belonged to high toxicity grade. Trichlorphon-omethoate belonged to medium toxicity grade and the sodium pimaric acid low toxicity grade.
【CateGory Index】: S884.96
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