樊秀彩;张亚冰;刘崇怀;潘兴;郭景南;李民;王姣;

• 1:中国农业科学院郑州果树研究所
• 2:河南科技大学农学院
• 3:中国农业科学院郑州果树研究所
• 4:中国农业科学院郑州果树研究所

摘要(Abstract)：

为阐明有机渗透调节物质在葡萄种质耐盐机理中的作用,以耐盐葡萄砧木抗砧5号(Vitis berlandieri-V.ri-paria×V.amurensis-V.vinifera)和盐敏感砧木Macadams(V.riparia)为试材,比较研究了在不同质量分数NaCl胁迫下,叶片膜透性、丙二醛(MDA)含量和有机渗透物质含量的变化。结果表明,盐胁迫引起葡萄叶片膜透性增加,盐敏感品种Macadams的膜透性高于耐盐砧木抗砧5号;MDA含量随盐胁迫加重而升高,但抗砧5号低于Macadams;盐胁迫下葡萄叶片中游离脯氨酸和可溶性糖含量显著上升;可溶性蛋白的变化趋势不一致。由此说明脯氨酸、可溶性糖是葡萄在盐胁迫初期的重要有机渗透调节物质,而可溶性蛋白在葡萄中的渗透调节作用还需要进一步研究。

关键词(KeyWords)： 葡萄;NaCl胁迫;有机渗透调节物质;膜脂过氧化

Abstract:

Keywords:

基金项目(Foundation): 国家“十五”科技攻关项目(2001BA511B09208)

作者(Author): 樊秀彩;张亚冰;刘崇怀;潘兴;郭景南;李民;王姣;

Email:

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