贾晓东;罗会婷;翟敏;钱美华;刘永芝;李永荣;郭忠仁;乔玉山;

• 1:江苏省中国科学院植物研究所
• 2:南京农业大学园艺学院
• 3:南京绿宙薄壳山核桃科技有限公司

摘要(Abstract)：

【目的】揭示叶片营养与种仁营养积累之间的关系,为薄壳山核桃果实营养积累、品质形成机制的研究及大小年现象等相关问题的解决提供理论依据。【方法】以薄壳山核桃‘波尼’品种为试材,连续2 a对其结果期全过程的果实和叶片进行动态取样,测定种仁和叶片中营养物质含量的变化情况,测定指标包括脂肪、可溶性糖、蛋白质、纤维素、水分及P、K、Ca、Mg、Na、Mn、Fe、Cu、Zn、Se等的含量。同时,对种仁及叶片中营养物质的变化进行相关性分析。【结果】薄壳山核桃种仁2 a的脂肪含量均呈现先上升后下降的趋势,可溶性糖、蛋白质、纤维素、含水量均呈下降趋势,种仁矿质元素在95~125 d表现出剧烈变化,而叶中各项指标变化相对较平缓。【结论】果实发育早期至中后期(95~145 d)是薄壳山核桃营养物质变化最明显的阶段,是果实品质积累的关键时期。

关键词(KeyWords)： 薄壳山核桃;营养物质;相关性;品质形成

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(31200502);; 江苏省林业三新工程项目(lysx[2013]06);江苏省林业三新工程项目(LYSX[2016]44);; 中央财政林业科技推广示范项目([2014]TJS03);; 江苏省科技项目(BE2015350)

作者(Author): 贾晓东;罗会婷;翟敏;钱美华;刘永芝;李永荣;郭忠仁;乔玉山;

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