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
干旱胁迫下蚕豆叶片抗氧化酶活性的变化
Activities of antioxidative enzymes of Vicia faba under PEG stress
  
DOI：10.7606/j.issn.1000-7601.2009.05.34
中文关键词:  蚕豆  抗旱  水分胁迫  抗氧化酶
英文关键词:Vicia faba  drought-resistance  water stress  antioxidative enzymes
基金项目:国家自然科学基金(30600384)； 西北农林科技大学青年骨干支持项目
作者单位
武永军 College of Life Sciences Northwest A＆F University， Yangling， Shaanxi 712100，China 
项燕 College of Life Sciences Northwest A＆F University， Yangling， Shaanxi 712100，China 
曹让 College of Life Sciences Northwest A＆F University， Yangling， Shaanxi 712100，China 
王培先 College of Life Sciences Northwest A＆F University， Yangling， Shaanxi 712100，China 
梁宗锁 College of Life Sciences Northwest A＆F University， Yangling， Shaanxi 712100，China；Institute of Soil and Water Conservation CAS，Yangling， Shaanxi 712100， China 
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中文摘要:
      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。
英文摘要:
      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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