程艳红;葛婧;胡高洁;蔡磊明;陈列忠;蒋金花;

• 1:浙江省农业科学院农产品质量标准研究所省部共建国家重点实验室培育基地—浙江省植物有害生物防控重点实验室农业部农药残留检测重点实验室

摘要(Abstract)：

为探明酰胺类除草剂对鱼类不同生长阶段的毒性效应,分别以斑马鱼胚胎、8日龄仔鱼、55日龄幼鱼和3月龄成鱼为受试对象,研究3种酰胺类除草剂乙草胺、丙草胺和丁草胺对斑马鱼(Danio rerio)不同生长阶段的毒性效应。研究发现,高浓度乙草胺、丙草胺和丁草胺均可抑制斑马鱼胚胎的孵化。乙草胺对斑马鱼胚胎、仔鱼、幼鱼和成鱼的96 h-LC50值分别为5.82、1.34、3.00、1.44 mg·L-1,毒性从高到低顺序依次为:仔鱼>成鱼>幼鱼>胚胎。丙草胺对斑马鱼胚胎、仔鱼、幼鱼和成鱼的96 hLC50值分别为2.79、2.02、2.26、2.01 mg·L-1,毒性从高到低顺序依次为:仔鱼、成鱼>幼鱼>胚胎。丁草胺对斑马鱼胚胎、仔鱼、幼鱼和成鱼的96 h-LC50值分别为1.73、0.919、3.37、1.19 mg·L-1,毒性从高到低顺序依次为:仔鱼>成鱼>胚胎>幼鱼。研究结果表明,酰胺类除草剂对斑马鱼4个典型生长阶段的毒性差异较大,仔鱼阶段对酰胺类除草剂最敏感,成鱼其次。

关键词(KeyWords)： 酰胺类除草剂;斑马鱼;急性毒性

Abstract:

Keywords:

基金项目(Foundation): 浙江省公益技术研究农业项目(2016C32098)

作者(Author): 程艳红;葛婧;胡高洁;蔡磊明;陈列忠;蒋金花;

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DOI:

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