| 干旱胁迫下蚕豆叶片抗氧化酶活性的变化 |
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| 引用本文： | 武永军,项燕,曹让,王培先,梁宗锁.干旱胁迫下蚕豆叶片抗氧化酶活性的变化[J].干旱地区农业研究,2009,27(5):188-190. |
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| 作者姓名： | 武永军 项燕 曹让 王培先 梁宗锁 |
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| 作者单位： | 1. 西北农林科技大学生命科学学院,陕西,杨凌,712100
2. 西北农林科技大学生命科学学院,陕西,杨凌,712100;中国科学院水土保持研究所,陕西,杨凌,712100 |
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| 基金项目： | 国家自然科学基金，西北农林科技大学青年骨干支持项目 |
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| 摘 要： | 抗氧化防御系统在植物抗旱中发挥着极大的作用.本试验采用PEG胁迫和叶片35℃烘干处理的方法,研究了模拟干旱胁迫条件下蚕豆叶片SOD、POD、CAT活性变化.结果表明,三种抗氧化酶随胁迫时间的延长活性升高;随胁迫程度增加SOD活性活性降低,POD和CAT活性变化规律性不明显.总体而言,SOD活性对胁迫的耐受性更强.
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| 关 键 词： | 蚕豆 抗旱 水分胁迫 抗氧化酶 |
Activities of antioxidative enzymes of Vicia faba under PEG stress |
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| WU Yongjun,XIANG Yan,CAO Rang,WANG Peixian,LIANG Zongsuo.Activities of antioxidative enzymes of Vicia faba under PEG stress[J].Agricultural Research in the Arid Areas,2009,27(5):188-190. |
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| Authors: | WU Yongjun XIANG Yan CAO Rang WANG Peixian LIANG Zongsuo |
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| Institution: | WU Yong-jun1,XIANG Yan1,CAO Rang1,WANG Pei-xian1,LIANG Zong-suo1,2(1.College of Life Sciences,Northwest A & F University,Yangling,Shaanxi 712100,China,2.Institute of Soil and Water Conservation,CAS,China) |
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| Abstract: | Antioxidative defense system plays important roles in drought resistance of plants.In this study,we investigated the changes of SOD,POD and CAT of Vicia faba leaves using PEG treatment and leaf baken methods.The results showed that the activity of SOD,POD and CAT all increased during the course of PEG treatment.SOD activity decreased with increasing stress degree,POD and CAT activity showed no obvious tendency.In total,SOD has more tolerance among three antioxidative enzymes. |
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| Keywords: | Vicia faba drought-resistance water stress antioxidative enzymes |
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