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  5. Effects of exogenous melatonin on photooxidative stress in apple

Effects of exogenous melatonin on photooxidative stress in apple

来源 :1st International Apple Symposium (第一届世界苹果大会) | 被引量 : 0次 | 上传用户：zhang2jie
【摘 要】
：
The oxidative stress is one of the major factors causing injury to plants exposed to environmental stress.In this study, exogenous melatonin were applied to apple (Malus domestica Borkh.) leaves treat
【作 者】
：
Zhi Wei Wei Chao Li Dong FengJia Fengwang Ma 
【机 构】
：
College of Horticulture, Northwest A&F University,3 Taicheng Road, Yangling, Shaanxi Province, 71210
【出 处】
：
1st International Apple Symposium (第一届世界苹果大会)
【发表日期】
：
2016年11期
【关键词】
：
Malus photooxidative stress melatonin antioxidant enzymes 
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论文部分内容阅读
The oxidative stress is one of the major factors causing injury to plants exposed to environmental stress.In this study, exogenous melatonin were applied to apple (Malus domestica Borkh.) leaves treated methyl viologen (MV), in order to reveal the role of melatonin in apple responding to photooxidative stress.When detached leaves were pretreated with melatonin, they showed higher tolerance to photooxidative stress compared with water pre-treated leaves.After MV treatment, melatonin effectively alleviated the decrease in chlorophyll content and maximum potential photosystem Ⅱ efficiency (Fv/Fm) compared to control.
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