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高浓度铬对凤眼莲的伤害及膜脂过氧化作用的影响
Authors
周易勇
Publication date
1 January 1993
Publisher
Abstract
为了初步探讨在高浓度重金属胁迫下凤眼莲(Eichhornia crassipes)的生理变化,通过急性实验法从活性氧伤害角度探讨铬伤害凤眼莲的机理.结果表明,在高浓度(50ppm)铬污染下,凤眼莲叶片中SOD和CAT活性以及叶绿索α的含量明显下降,组织电解质外渗率和MDA含量明显升高,与对照值之间的差异达显著水平(P<0.05);叶片中H_2O_2含量无明显变化
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:152342/5374
Last time updated on 15/03/2018