对主栽品种的根尖细胞染色体数进行了观察；
The number of chromosomes in the root tip cells was observed.
以不同浓度的污水和硫酸铝作为诱变剂，测定豌豆根尖细胞的有丝分裂指数、微核率和染色体畸变率。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
对照射后蚕豆根尖下细胞中的染色体损伤情况进行了研究。
Studied on chromosome damage in cells of broad bean root tip.
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