EFFECTS OF DROUGHT STRESS ON ANTIOXIDANT ENZYMES IN COMMON BEAN (PHASEOLUS VULGARIS L.) SEEDLINGS
文献类型： 外文期刊
作者： Yin, Zhengong 1 ; Meng, Xianxin 1 ; Wang, Qiang 1 ; Guo, Yifan 1 ; Wei, Shuhong 1 ; Lai, Yongcai 1 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Postdoctoral Programme, Harbin 150086, Heilongjiang, Peoples R China
2.Heilongjiang Acad Agr Sci, Crop Resources Inst, Dept Beans Res, Harbin 150086, Heilongjiang, Peoples R China
关键词： Common bean; Drought stress; Antioxidant Enzymes
期刊名称：BANGLADESH JOURNAL OF BOTANY （ 影响因子：0.339； 五年影响因子：0.34 ）
ISSN： 0253-5416
年卷期： 2021 年 50 卷 3 期
页码：
收录情况： SCI
摘要： Drought is one of the most severe environmental constraints which reduces common bean production worldwide. Exploration of the physiological mechanism of common bean under drought stress is important for the efficient production and variety selection of common beans. In the present study, non-drought-resistant variety (Longyundou10) and drought-resistant variety (Longyundou17) were identified to elucidate the effects of drought stress on antioxidant system of common beans at seedling stage. Under drought stress, APX and SOD activities showed a single peak curve that first increased and then decreased, and the dynamic changes of CAT and POD activities were more complicated. Under different levels of drought treatment, the average values of APX, SOD, CAT and POD activities of common bean were found to be higher than those of normal water conditions, and the average values were the highest under severe drought stress, indicating that these antioxidant enzymes were stimulated under drought stress.
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