沙守峰;李俊才;王家珍;蔡忠民;李宏军;姜晓艳;

• 1:辽宁省果树科学研究所

摘要(Abstract)：

【目的】探讨钙和锌营养对梨果实糖分、有机酸组分及糖酸比的影响。【方法】以‘早金酥’梨为试材,在生长季节叶面喷施钙肥和锌肥,用高效液相色谱法测定成熟果实主要糖分和有机酸组分含量。【结果】叶面喷施优钙肥,果实果糖和总糖含量极显著增加,葡萄糖、蔗糖和草酸含量显著增加,苹果酸、柠檬酸和总有机酸含量极显著降低,糖酸比极显著增加;喷施氯化钙,果实总糖含量极显著增加,果糖和葡萄糖含量显著增加,苹果酸、莽草酸、柠檬酸和总有机酸含量极显著降低,草酸含量显著降低,糖酸比极显著增加。喷施硫酸锌,果实果糖含量极显著增加,葡萄糖含量极显著降低,奎尼酸含量显著增加。相关分析表明,叶面喷钙提高了梨果果糖、葡萄糖含量,降低了柠檬酸含量,进而提高果实总糖含量减少总酸含量,提高‘早金酥’梨果实品质。【结论】在‘早金酥’梨树生长季节叶面喷施钙肥,果实总糖含量极显著增加,总酸含量极显著降低,糖酸比明显增加,提升果实品质效果明显。

关键词(KeyWords)： ‘早金酥’梨;果实;钙肥;锌肥;糖;有机酸;糖酸比

Abstract:

Keywords:

基金项目(Foundation): 国家梨产业技术体系建设专项(CARS-28-29)

作者(Author): 沙守峰;李俊才;王家珍;蔡忠民;李宏军;姜晓艳;

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参考文献(References)：

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