邓朝军;陈秀萍;许奇志;蒋际谋;郑少泉;

• 1:福建省农业科学院果树研究所
• 2:福建省龙眼枇杷育种工程技术研究中心

摘要(Abstract)：

【目的】探讨矮化紧凑型、矮化开张型和矮化疏散分层型等3种生长型枇杷种质的枝梢生长及空间分布,为枇杷矮生品种选育及矮化修剪提供参考依据。【方法】采用网格法,对国家果树种质福州枇杷圃中自然生长的3种矮化生长型种质不同冠层部位的枝梢数、花穗数、枝梢粗度、枝梢长度、叶片数和枝梢角度的空间分布进行测定分析。【结果】矮化紧凑型的'闽矮1号’树体矮小、枝梢短且细、枝梢密度大,抽穗率低且冠层内分布不均匀;矮化开张型的'大坡顶3号’表现树高、枝梢生长量和生长势中等,枝梢抽穗率高且在冠层内分布均匀;矮化疏散分层型的'多43号’树高较高,枝梢分布在冠层中上部且密度小。随冠层高度的增高,3种矮化种质资源的枝梢长度、粗度、叶片数均呈增加趋势,而枝梢角度呈下降趋势',闽矮1号’的枝梢抽穗率呈增高的趋势,而'多43号’呈降低趋势。【结论】矮化开张型的枝梢生长与空间分布的树形特点,更适合生产上应用推广。

关键词(KeyWords)： 枇杷;矮化生长型;种质资源;枝梢生长;空间分布

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41471334);; 农业农村部物种品种资源保护(热带作物)项目(151821301354052701);; 物种品种资源保护费项目(111821301354052008);; 国家农作物种质资源共享服务平台(NICGR2018-054);; 福建省农业科学院科技创新团队建设项目(STIT2017-1-4);; 国家万人计划—百千万领军人才项目

作者(Author): 邓朝军;陈秀萍;许奇志;蒋际谋;郑少泉;

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