Journal
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume 95, Issue 4, Pages 475-480Publisher
SPRINGER
DOI: 10.1007/s00128-015-1629-y
Keywords
Earthworm; Imidacloprid; Toxicity; AChE activity; DNA damage
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Funding
- Laboratory of Environmental Safety Assessment for Pesticides, Department of Applied Chemistry, China Agricultural University
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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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