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《Acta Agriculturae Boreali-Occidentalis Sinica》 2007-05
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Safety Evaluation of 1.0% Cantharidin EC to Non-target Organisms

FENG Jian-xiong and ZHANG Ya-lin(Key Laboratory of Plant Protection Resources and Pest Management,Ministry of Education;College of Plant Protection,Northwest A & F University,Yangling Shaanxi 712100,China)  
The toxicities of 1.0% Cantharidin EC to non-target organisms and their safety evaluation were studied,according to "Experimental Guideline for Environmental Safety Evaluation of Chemical Pesticides".The contact LD50 of 24 h and in-take LC50 of 24 h to bee were 0.15 μg/bee and 1.83 mg/L,the LC50 of 24 h to silkworm was 0.83 μg/cm2,the LC50 of 24 h and 48 h to tadpole were 0.93 mg/L and 0.87 mg/L,the LC50 of 7 d to earthworm was 22.66 mg/kg soli,the inhabiting ratios to rapiration to microorgannisms in vegetable and wheat soils in 15 d were 16.1% and 21.8%.The results showed that the pesticide has low toxicities to earthworm and soil microorgannisms,high toxicities to bee and silkworm,medium toxicities to tadpole.
【CateGory Index】: S482.3
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