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Acute Toxicity of Chlopyrifos and Parathion on Earthworms
Author(s): 
Pages: 82-84
Year: Issue:  1
Journal: Guizhou Science

Keyword:  毒死蜱对硫磷蚯蚓急性毒性;
Abstract: 为了评价毒死蜱和对硫磷这2种有机磷农药对蚯蚓的影响,本文采用人工土壤法,以赤子爱胜蚯蚓为受试生物,进行了蚯蚓急性毒性研究.结果显示:毒死蜱对赤子爱胜蚯蚓的14d-LC50为208.88 mg/kg(人工土壤,干重),95%置信限为[160.80,259.47];对硫磷对赤子爱胜蚯蚓的14d-LC50为253.52 mg/kg(人工土壤,干重),95%置信限为[197.28,314.82].两种农药对蚯蚓的毒性都属于“低毒”,因此在田间使用这2种农药对蚯蚓来说是相对安全的.
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