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重铬酸钾胁迫对植物根尖细胞的损伤

DOI: 10.3321/j.issn:1000-7091.1997.01.024, PP. 117-123

Keywords: 重铬酸钾,DNA损伤,超微结构,过氧化物酶同工酶

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Abstract:

研究了重铬酸钾对植物根尖细胞的损伤。实验结果表明,重铬酸钾可以抑制植物幼苗的生长,引起植物根尖细胞DNA的损伤和导致细胞的超微结构发生改变,此外,过氧化物酶同工酶谱的带型经重铬酸钾诱导后也呈现很大变化。以上诸变化与处理的重铬酸钾浓度和处理的时间长短密切相关。

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