采用红细胞微核、核异常及染色体数目和结构畸变的方法 ,研究除草剂农达对黄鳝细胞的遗传毒性 .结果表明 ,农达能引起红细胞核异常率的上升 ,部分组和对照组差异显著 ,但不能明显地诱发红细胞产生微核 ;农达能明显地诱发黄鳝染色体数目和结构畸变率上升 ,和对照组差异显著或极显著 .在一定浓度范围内 ,农达作用 3 0 h,对黄鳝具有明显的遗传学损伤作用 . The genetic toxicity of herbicide Nongda to Eel cells was studied using the methods of micronuclei, nuclear anomalies, chromosome numbers and structural aberrations of erythrocytes.The results showed that Nongdae can cause the increase of erythrocyte nuclear anomalous rate, but the difference was significant between some groups and the control group Which could not obviously induce erythrocyte micronucleus.Nongda could obviously induce the chromosome number and the rate of structural aberration of Eel, which was significantly or very significantly different from the control group.Under a certain concentration range, Genetics injury.