吴国良,蔡华成,张宏平,朱超,田建保,张燕,杨燕君

• 1:河南农业大学园艺学院
• 2:河南省果树瓜类生物学重点实验室
• 3:山西省农业科学院果树研究所
• 4:山西农业大学园艺学院

摘要(Abstract)：

【目的】为提高扁桃质量而了解扁桃果实发育过程中糖代谢状况十分必要。【方法】以‘晋扁1号’扁桃(Amygdalus communis L.)为试材,测定了其果实发育过程中果肉组织糖含量及相关酶活性的动态变化。【结果】结果表明,扁桃果实中总糖、蔗糖、山梨醇、葡萄糖含量表现为前期高,后期低;果糖含量变化不大,果实成熟时迅速增加;淀粉含量前期快速升高,后期呈波动状态,维持较高水平。酸性转化酶(AI)和淀粉酶均在幼果期达到最大值,后期降低;蔗糖合成酶(SS合成方向)和蔗糖磷酸合成酶(SPS)活性在整个果实发育期表现为前期弱,后期强;山梨醇氧化酶(SOX)和山梨醇脱氢酶(SDH)活性前期很强,后期降低。相关性分析结果表明,AI、淀粉酶、SOX、SDH活性与总糖含量有显著的负相关,AI、SOX、SDH活性与淀粉含量呈极显著的负相关。【结论】由此可知花后15~45 d是‘晋扁1号’扁桃田间管理的关键时期。

关键词(KeyWords)： 扁桃;发育期;果肉;糖含量;酶

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(编号30571290;31171943)

作者(Author): 吴国良,蔡华成,张宏平,朱超,田建保,张燕,杨燕君

DOI: 10.13925/j.cnki.gsxb.2012.04.022

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