孟凤;郁松林;郑强卿;刘冬冬;李鹏程;何娟;

• 1:石河子大学农学院园艺系
• 2:石河子121团26连

摘要(Abstract)：

以1a生酿酒葡萄品种赤霞珠扦插苗为试材,研究了不同浓度的外源甜菜碱(GB)对提高葡萄幼苗抗热性的影响。结果表明,在高温胁迫下,叶面喷施不同浓度的GB均能显著降低葡萄幼苗叶片脯氨酸的含量和丙二醛(MDA)含量,维持较低的膜透性,提高葡萄幼苗叶片可溶性蛋白和抗坏血酸(AsA)含量,从而提高了葡萄幼苗的抗高温胁迫能力。证明GB对减轻高温胁迫引起的伤害,提高葡萄幼苗的抗热能力具有积极的作用。在所设4种GB浓度中以5.0mmol/L处理效果为佳。

关键词(KeyWords)： 葡萄幼苗;外源甜菜碱;高温胁迫;高温抗性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(30760144)

作者(Author): 孟凤;郁松林;郑强卿;刘冬冬;李鹏程;何娟;

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DOI:

参考文献(References)：

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