[ Objective ] The research aimed to provide a comprehensive evaluation on the pollution degree of the water body in Donghu Lake by mieronueleus detecting technology on Vicia faba root tip. [ Method ] The water from 9 sample points in Donghu Lake was used to treat the V. faba root tip cells directly. The inductive effects of each water sample on the micronudeus forming of root tips were detected and the corresponding water body pollution degree was evaluated. [ Result] The micronudeus rates of V. faba root tip cells treated by the 9 water sample...