吴如健;万继锋;韦晓霞;陈瑾;胡菡青;潘少霖;

• 1:福建省农业科学院果树研究所
• 2:中国热带农业科学院南亚热带作物研究所

摘要(Abstract)：

【目的】分析橄榄种质果实表型性状多样性,并根据其多样性进行数量分类。【方法】参考《果树种质资源描述符—记载项目及评价标准》和《橄榄种质资源描述规范和数据标准》等标准进行观测和描述,应用Q型聚类、R型聚类和主成分分析等方法。【结果】11个数量性状中,单果质量的变异系数最大为42.00%,可食率的变异系数最小为3.44%。16个描述性状平均变异类型2.9个,果实形状的变异类型最为丰富,为5个。Q型聚类分析将60份种质资源在欧氏距离为27.81时分为3个组群,组群内的种质资源以果实的形状、大小和品质聚类;R型聚类分析将27个表型性状在相关系数2.27处聚为3组,多数性状表现两两相关或关系密切;主成分分析结果将27个表型性状简化为8个主成分,包含果实形状等16个表型性状。【结论】橄榄种质资源的果实表型性状存在丰富的多样性,果实形状等16个表型性状对数量分类起重要作用。

关键词(KeyWords)： 橄榄;种质资源;果实;表型性状;多样性;数量分类

Abstract:

Keywords:

基金项目(Foundation): 农业部热带作物种质资源保护项目(14RZZY-26;15 RZZY-26)

作者(Authors): 吴如健;万继锋;韦晓霞;陈瑾;胡菡青;潘少霖;

DOI: 10.13925/j.cnki.gsxb.20150129

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