The result still showed that ,when using the micronucleus test of Vicia faba roots tips cell to monitor organic solvent trichloroethylene, toxic time can cause the appearance of false-negative of Vicia faba roots tips cell micronucleus rate.

• 研究结果还显示,在使用蚕豆根尖微核实验监测有机溶剂三氯乙烯污染时,染毒时间会引起蚕豆根尖微核率的假阴性结果的出现。