Evaluation of the Toxicity, AChE Activity and DNA Damage Caused by Imidacloprid on Earthworms, Eisenia fetida

被引:34
|
作者
Wang, Kai [1 ,2 ]
Qi, Suzhen [1 ]
Mu, Xiyan [1 ]
Chai, Tingting [1 ]
Yang, Yang [1 ]
Wang, Dandan [3 ]
Li, Dongzhi [1 ]
Che, Wunan [2 ]
Wang, Chengju [1 ]
机构
[1] China Agr Univ, Coll Sci, Beijing 100193, Peoples R China
[2] Shenyang Agr Univ, Plant Protect Coll, Shenyang 110161, Peoples R China
[3] Jilin Univ Finance & Econ, Coll Stat, Changchun, Peoples R China
关键词
Earthworm; Imidacloprid; Toxicity; AChE activity; DNA damage; ACETYLCHOLINESTERASE ACTIVITY; HONEY-BEE; INSECTICIDES; GENOTOXICITY; PESTICIDES; MECHANISMS;
D O I
10.1007/s00128-015-1629-y
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Imidacloprid is a well-known pesticide and it is timely to evaluate its toxicity to earthworms (Eisenia fetida). In the present study, the effect of imidacloprid on reproduction, growth, acetylcholinesterase (AChE) and DNA damage in earthworms was assessed using an artificial soil medium. The median lethal concentration (LC50) and the median number of hatched cocoons (EC50) of imidacloprid to earthworms was 3.05 and 0.92 mg/kg respectively, the lowest observed effect concentration of imidacloprid about hatchability, growth, AChE activity and DNA damage was 0.02, 0.5, 0.1 and 0.5 mg/kg, respectively.
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页码:475 / 480
页数:6
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