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Issue:
Activities of antioxidative enzymes of Vicia faba under PEG stress
Author(s):
WU Yong-jun
,
XIANG Yan
,
CAO Rang
,
WANG Pei-xian
,
LIANG Zong-suo
Pages:
188
-
190,195
Year:
2009
Issue:
5
Journal:
Agricultural Research In The Arid Areas
Keyword:
蚕豆
;
抗旱
;
水分胁迫
;
抗氧化酶
;
Abstract:
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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