徐怡;刘其根;胡忠军;沈竑;曹君韫;童留青;

• 1:上海海洋大学农业部种质资源与养殖生态重点开放实验室
• 2:上海沐雨生态农业发展有限公司

摘要(Abstract)：

研究了在实验室常温条件下敌杀死、索虫亡、百草一号、敌敌畏、卷清、逐灭(池塘水)、逐灭(自来水)、锐劲特、抑虱净、草甘膦、星科等10种农药对克氏原螯虾(Procambarus clarkii)幼虾的急性毒性效应.试验结果表明,克氏原螯虾幼虾对不同农药的耐受力相差较大.敌杀死、索虫亡、百草一号、敌敌畏、卷清、逐灭(池塘水)、逐灭(自来水)、锐劲特、抑虱净、草甘膦、星科对克氏原螯虾幼虾的24h半致死浓度(24hLC50)分别为4.62×10-3、2.28×10-2、16.7、2.57×10-1、4.73×10-3、8.91×10-2、2.97×10-2、8.90×10-2、8.08、5.52×103、3.64×10-1mg·L-1;48h半致死浓度(48hLC50)分别为3.07×10-3、1.46×10-2、15.8、1.98×10-1、4.33×10-3、3.48×10-2、1.48×10-2、6.01×10-2、6.47、4.06×103、1.99×10-1mg·L-1;其安全浓度(SC)分别为4.07×0-4、1.80×10-3、4.16、3.72×10-2、1.09×10-3、1.59×10-3、1.10×10-3、8.22×10-3、1.24、6.59×102、1.78×10-2mg·L-1.相比之下,草甘膦对克氏原螯虾幼虾的毒性最低,百草一号的毒性也相对较低,可以作为稻虾混养系统病虫害防治的首选,而敌杀死、卷清等对克氏原螯虾幼虾的毒性极高,应尽量避免使用.

关键词(KeyWords)： 克氏原螯虾(Procambarus clarkii);农药;急性毒性;半致死浓度;安全浓度

Abstract:

Keywords:

基金项目(Foundation): 上海市科委项目(No.06dz12306);; 上海市重点学科建设项目(No.Y1101)

作者(Author): 徐怡;刘其根;胡忠军;沈竑;曹君韫;童留青;

Email:

DOI:

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