doi:10.3969/j.issn.1004-3268.2006.07.029

Journal of Henan Agricultural Sciences ›› 2006, Vol. 35 ›› Issue (7): 88-91.DOI: 10.3969/j.issn.1004-3268.2006.07.029

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Published:2006-07-15 Online:2006-07-15

镉胁迫对小白菜POD、PPO和SOD活性的影响

段云青¹;王艳²;雷焕贵¹

¹山西农业大学文理学院,山西太谷030801;²山西农业大学资源与环境学院,山西太谷030801

基金资助:
山西高校科技研究开发项目（20051223）；山西农业大学科技创新基金（200212）

Abstract

摘要： 通过盆栽土培的方式研究了不同浓度Cd处理时耐性不同的2个基因型小白菜叶的POD、PPO及SOD的活性变化。结果表明：小白菜SOD和POD活性在一定范围内均随胁迫强度的增加而升高；PPO活性随Cd处理浓度的增大呈明显的上升趋势。3种酶呈现不同程度的积极性保护作用，且变化与其耐性一致。这说明POD、PPO、SOD活性的提高与维持是植物耐Cd胁迫的物质基础之一。

关键词: 小白菜, POD, PPO, SOD, CA胁迫

CLC Number:

S634.3

段云青;王艳;雷焕贵. 镉胁迫对小白菜POD、PPO和SOD活性的影响[J]. 河南农业科学, 2006, 35(7): 88-91.

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镉胁迫对小白菜POD、PPO和SOD活性的影响

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