李六林;张绍铃;

• 1:南京农业大学园艺学院
• 2:南京农业大学园艺学院 南京210095山西农业大学园艺学院
• 3:山西太谷030801
• 4:南京210095

摘要(Abstract)：

以丰水和新高梨为试材,分析了花药内花粉量和花粉的萌发特性,并在即将开花的花蕾期,对其花药中不同种类和形态的多胺、生长素、脱落酸以及矿质元素进行分析,以探讨蕾期花粉生活力高的原因。结果表明:丰水梨每个花药中有大量花粉,并且花粉的萌发率高,达到84.8%,而新高中花粉非常少,并且生活力非常低;丰水梨花药中腐胺、亚精胺和精胺的总量均极显著地高于新高;而且丰水中不同形态(游离态、高氯酸可溶共价结合态高氯酸不溶共价结合态)的3种多胺也都显著或极显著地高于新高;生长素、脱落酸与多胺表现出同样的规律;丰水矿质营养中的钾、钙、镁、铁、铜和锌含量也高于新高,在这些元素中以钾含量为最高,微量元素中以锌含量为最高。

关键词(KeyWords)： 梨;花药;多胺;激素;矿质营养

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(30170651;2011030712)

作者(Author): 李六林;张绍铃;

Email:

DOI:

参考文献(References)：

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