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《Pesticide Science and Administration》 2011-08
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Acute Toxicity Evaluation of Ninety-one Pesticides to Silkworm

Sun Xinyou,Gao Xiwu(China Agricultural University,Beijing 100094,China) Sun Xinyou,Yuan Shankui,Lin Ronghua,Wang Xiaojun,Qu Weigang,Zhang Yan(Institute for the Control of Agrochemicals,Ministry of Agriculture,Beijing 100125) Jiang Tianming(Shenyang 120 middle school,Shenyang 110031,China)  
The acute toxicity of ninety-one pesticides to silkworm,Bombyx mori L.,was evaluated in laboratory using the intake toxic leaf method,the toxic grades were compartmentalized according to the results and the safety evaluation was made for these pesticides.The LC50 values of thirty pesticides were lower than 0.5mg/kg mulberry(belonged to extremely toxic grade),including emamectin benzoate,abamectin,beta-cypermethrin,bifenthrin,tebufenozide and triazophos etc.;The LC50 values of fifteen pesticides were between 0.5~20mg/kg mulberry(belonged to high toxic grade),including carbosulfan,chlorfenapyr,triflumuron,fipronil,buprofezin,chloramine phosphorus and trichlorfon etc.;that of ninety pesticides were between 20~200mg/kg mulberry(belonged to moderate toxic grade);That of twenty-seven pesticides were higher than 200mg/kg mulberry(belonged to low toxic grade).
【CateGory Index】: S481.1
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