三种农药对斑马鱼的急性毒性和生物浓缩系数

应用生态学报 ›› 2004, Vol. ›› Issue (5): 888-890.

三种农药对斑马鱼的急性毒性和生物浓缩系数

丁中海¹, 杨怡¹, 金洪钧¹, 单正军², 于红霞¹, 冯建舫¹, 张晓峰¹, 周家艳¹

1. 南京大学环境学院, 污染控制与资源化国家重点实验室, 南京 210093;
2. 国家环保总局南京环境科学研究所, 南京 210042

收稿日期:2002-10-12 修回日期:2003-02-28 出版日期:2004-05-15
通讯作者: 金洪钧
基金资助:
国家科技部“973”项目前期研究专项资助项目(200150)

Acute toxicity and bio-concentration factor of three pesticides on Brachydanio rerio

DING Zhonghai¹, YANG Yi¹, JIN Hongjun¹, SHAN Zhengjun², YU Hongxia¹, FENG Jianfang¹, ZHANG Xiaofeng¹, ZHOU Jiayan ¹

1. State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093, China;
2. Nanjing Institute of Environment Science, SEPA, Nanjing 210042, China

Received:2002-10-12 Revised:2003-02-28 Online:2004-05-15

摘要/Abstract

摘要： 采用斑马鱼(Brachydanio rerio)为试验生物,研究了吡虫啉、三唑磷和哒螨灵的急性毒性和生物浓缩系数.通过毒性试验,获得了这3种农药对斑马鱼的24、48、72和96hLC₅₀值.这3种农药的96h LC₅₀值分别为281.37mg·L^-1、8.37mg·L^-1和11.66μg·L^-1.根据急性毒性数据和有关技术指南,确定生物浓缩试验浓度和持续暴露时间为14d.经0.5和5mg·L^-1吡虫啉暴露后的生物浓缩系数(BCF_s)分别为1.52和0.97.经0.02和0.2mg·L^-1三唑磷暴露后的BCF_s分别为9.00和8.45.经01和1μg·L^-1哒螨灵暴露后的BCF_s分别为5600和4920.

关键词: 吡虫啉, 三唑磷, 哒螨灵, 斑马鱼, 急性毒性, 生物浓缩

Abstract: The acute toxicity and bio-concentration factor of imidacloprid,triazophos and pyridaben were measured by using Brachydanio rerio as test organism.The 96 h LC₅₀ value of these pesticides was 281.37 mg·L^-1,8.37 mg·L^-1 and 11.66 μg·L^-1,respectively.The concentrations of pesticides and the exposure duration of 14 days for BCF tests were designed according to results of the acute toxicity tests and relevant guideline.At the exposure concentrations of 0.5 and 5 mg·L^-1,the bio-concentration factor (BCF) of imidacloprid was 1.52 and 0.97,respectively; while at the exposure concentrations of 0.02 and 0.2 mg·L^-1,that of triazophos was 9.00 and 8.45,respectively.For pyridaben,the BCF was respectively 5600 and 4920 at the exposure concentrations of 0.1 and 1μg·L^-1 .

Key words: Imidacloprid, Triazophos, Pyridaben, Byachydanio rerio, Acute toxicity, Bio-concentration

中图分类号:

X171.5

丁中海, 杨怡, 金洪钧, 单正军, 于红霞, 冯建舫, 张晓峰, 周家艳. 三种农药对斑马鱼的急性毒性和生物浓缩系数[J]. 应用生态学报, 2004, (5): 888-890.

DING Zhonghai, YANG Yi, JIN Hongjun, SHAN Zhengjun, YU Hongxia, FENG Jianfang, ZHANG Xiaofeng, ZHOU Jiayan . Acute toxicity and bio-concentration factor of three pesticides on Brachydanio rerio[J]. Chinese Journal of Applied Ecology, 2004, (5): 888-890.

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