邓凤彬;罗立新;虎海防;欧阳叶青;袁雨婷;张锐;

• 1:新疆塔里木大学植物科学学院
• 2:新疆生产建设兵团塔里木盆地生物资源保护利用重点实验室
• 3:南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室
• 4:新疆生产建设兵团第一师三团林业站

摘要(Abstract)：

【目的】通过经典形态差异分析方法,了解新疆野核桃种质坚果表型性状多样性,为新疆核桃种质起源研究及资源保护等提供理论参考。【方法】对34份新疆野核桃种质的16个描述性状和11个数量性状进行测定,参考《GB/T20398—2006核桃坚果质量等级》和《核桃种质资源描述规范和数据标准》等标准进行相关性状测定,应用聚类分析、相关性分析方法对新疆野核桃坚果表型性状进行评价。【结果】不同新疆野核桃种质间存在显著差异,34份野核桃种质坚果大小有变小的趋势。11个数量性状平均变异系数为9.92%,其中单果仁质量变异系数最大,为19.98%,横径变异系数最小,为5.22%。相关性分析发现,11个数量性状间存在较高的相关性,其中有29对性状间呈极显著正相关,2对呈显著正相关,1对呈极显著负相关,1对呈显著负相关。通过聚类分析将34份种质划分为8个类群。【结论】新疆野核桃在表型性状上表现出丰富的遗传多样性,单果质量、单果仁质量、果形指数、壳胴、出仁率、核壳厚度可以作为新疆野核桃坚果品质评价和良种选育的参考标准。

关键词(KeyWords)： 野核桃;坚果;表型性状;多样性;新疆

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(31460503);; 大学生创新行动项目(201610757033)

作者(Authors): 邓凤彬;罗立新;虎海防;欧阳叶青;袁雨婷;张锐;

DOI: 10.13925/j.cnki.gsxb.20170296

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