Activities of antioxidative enzymes of Vicia faba under PEG stress
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DOI:10.7606/j.issn.1000-7601.2009.05.34
Key Words: Vicia faba  drought-resistance  water stress  antioxidative enzymes
Author NameAffiliation
WU Yongjun College of Life Sciences Northwest A&F University Yangling Shaanxi 712100China 
XIANG Yan College of Life Sciences Northwest A&F University Yangling Shaanxi 712100China 
CAO Rang College of Life Sciences Northwest A&F University Yangling Shaanxi 712100China 
WANG Peixian College of Life Sciences Northwest A&F University Yangling Shaanxi 712100China 
LIANG Zongsuo College of Life Sciences Northwest A&F University Yangling Shaanxi 712100ChinaInstitute of Soil and Water Conservation CASYangling Shaanxi 712100 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.