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Study on Content of ABA and Activities of Reactive-Oxygen-Scavenging Enzymes under Low Temperature Stress in Thin-skin Melon
Author(s): 
Pages: 12816-12817,12824
Year: Issue:  36
Journal: Journal of Anhui Agricultural Sciences

Keyword:  MelonChilling stressABAReactive-oxygen-scavenging enzymes;
Abstract: [目的]为了研究甜瓜ABA与活性氧清除酶间是否存在关联.[方法]从20份薄皮甜瓜资源中筛选出耐冷性强的品种低温处理后检测ABA、MAD含量以及POD、SOD、APX、CAT活性.[结果]ABA含量降-升波动,但含量变化不显著.在低温胁迫最初几小时内,POD、SOD、APX活性上升,CAT下降.在低温处理24h后,POD活性仍持续上升,而其他酶活性基本都呈下降趋势.[结论]甜瓜ABA对冷胁迫不敏感,与活性氧清除酶活性相关性也不十分密切.
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