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高温胁迫对苹果叶片膜脂过氧化及抗坏血酸的影响
引用本文:马玉华,王永红,王荔,万明长,邹养军.高温胁迫对苹果叶片膜脂过氧化及抗坏血酸的影响[J].贵州农业科学,2010,38(8).
作者姓名:马玉华  王永红  王荔  万明长  邹养军
作者单位:1. 贵州省园艺研究所,贵州,贵阳,550006;西北农林科技大学园艺学院,陕西,杨凌,712100
2. 贵州省环境科学研究设计院,贵州,贵阳,550002
3. 贵州省园艺研究所,贵州,贵阳,550006
4. 西北农林科技大学园艺学院,陕西,杨凌,712100
基金项目:贵州省农业科学院院专项"苹果优新品种鉴选及高效栽培技术研究",贵州省农业科学院院基金"不同苹果品种在贵阳地区抗氧化能力研究" 
摘    要:为探索AsA代谢对高温胁迫的响应,研究了高温胁迫不同时间对苹果叶片AsA含量、氧化还原状态的影响.结果表明:苹果叶片MDA和H2O2含量随高温处理时间的延长而增加;总抗坏血酸、AsA含量在高温处理2 h时达最大,之后开始下降;AsA/DHA比值均随高温处理时间的延长而下降.

关 键 词:苹果叶片  高温胁迫  抗坏血酸

Effects of High Temperature Stress on Lipid Peroxidation and Ascorbic Acid Content in Apple Leaves
MA Yu-hua,WANG Yong-hong,WANG Li,WAN Ming-chang,ZOU Yang-jun.Effects of High Temperature Stress on Lipid Peroxidation and Ascorbic Acid Content in Apple Leaves[J].Guizhou Agricultural Sciences,2010,38(8).
Authors:MA Yu-hua  WANG Yong-hong  WANG Li  WAN Ming-chang  ZOU Yang-jun
Institution:MA Yu-hua1,2,WANG Yong-hong3,WANG Li1,WAN Ming-chang1,ZOU Yang-jun2 (1.Guizhou Horticultural Institute,Guiyang,Guizhou 550006,2.College of Horticulture,Northwest Agriculture and Forestry University,Yangling,Shanxi 712100,3.Guizhou Institute of Environmental Science and Design,Guizhou 550002,China)
Abstract:The AsA content and its redox state of apple leaves under different high temperature stress were studied to know response of AsA metabolism to high temperature stress.The results showed that the MDA and H2O2 content in apple leaves increased with the increase of high temperature treatment time,the total ascorbic acid and AsA content reached the highest under high temperature treatment for 2 h,and the AsA/DHA ratio decreased with the increase of high temperature treatment time.
Keywords:apple leaf  high temperature stress  ascorbic acid  
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