JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.3 P.221-227

http://doi.org/10.1631/jzus.2006.B0221

Joint effects of microwave and chromium trioxide on root tip cells of Vicia faba

Author(s): Qian Xiao-wei, Luo Wei-hua, Zheng Ou-xiang
Affiliation(s): School of Life and Environmental Science, Wenzhou University, Wenzhou 325003, China
Corresponding email(s): qianxiaowei@126.com
Key Words: Microwave, Chromium trioxide (CrO₃), Antagonistic effect, Synergetic effect

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Abstract: The mutagenic effects of microwave and chromium trioxide (CrO₃) on Vicia faba root tip were studied. Micronucleus assay and chromosomal aberration assay were used to determine the mitotic index, the micronucleus frequency and chromosomal aberration frequency of Vicia faba root tip cells induced by microwave and CrO₃. The results showed that the micronucleus frequency decreased, and that the mitotic index and chromosomal aberration frequency showed linear dose responses to CrO₃, in treatment of microwave for 5 s. In microwave of 25 s, the mitotic index decreased, the micronucleus frequency and chromosomal aberration frequency increased with increase of CrO₃ concentration. We concluded that microwave and CrO₃ had antagonistic effect on the mitotic index of Vicia faba root tip cells, but had synergetic effect on micronucleus frequency and chromosomal aberration frequency of Vicia faba root tip cells.

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