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目的与方法 :研究了除草剂精克草星对黄鳝外周血红细胞的微核、核异常及对肾脏白细胞微核的诱发作用。结果 :不同浓度和不同处理时间 ,红细胞的微核细胞率、核异常细胞率及白细胞的微核细胞率等指标较对照组有不同程度的上升。而且 ,在一定的浓度和处理时间 ,各指标有高峰期 ,与对照组差异显著 (P <0 0 5 )或极显著 (P <0 0 1) ,其它浓度和处理时间差异不显著 (P >0 .0 5 )。结论 :精克草星在一定的浓度和处理时间会对黄鳝的红细胞及白细胞具有显著的遗传毒性。
Aims and Methods: We studied the micronuclei, nuclear anomalies and the induction of micronuclei on renal white blood cells of the eel by the herbicide Jing Ke Cao Xing. Results: Compared with the control group, the indexes of erythrocytes such as micronucleus rate, nucleus abnormality rate and leukocyte micronucleus rate increased at different concentrations and different treatment time. Moreover, at certain concentration and treatment time, each index had a peak, with significant difference (P <0 05) or significant (P 0 01), but no significant difference between other concentrations and treatment time (P> 0 .0 5). Conclusion: Jing Ke Cao Xing in a certain concentration and processing time on the eel red blood cells and white blood cells have significant genotoxicity.