枇杷种质资源数量分类研究  

Numerical Classification of the Loquat Germplasm

作　　者：陈秀萍[1,2] 黄爱萍[2,3] 蒋际谋[1,2] 郑少泉[1,2] 邓朝军[1,2] 魏秀清[1,2] 胡文舜[1,2] 姜帆[1,2] 

机构地区：[1]福建省农业科学院果树研究所,福州350013 [2]福建省龙眼枇杷育种工程技术研究中心,福州350013 [3]福建省农业科学院农业经济与科技信息研究所,福州350003

出　　处：《园艺学报》2011年第4期644-656,共13页Acta Horticulturae Sinica

基　　金：农业部作物种质资源保护项目(NB2130135);国家科技基础条件平台工作子项目(2005DKA21002-27);福建省财政专项(STIF-08);国家科技支撑计划项目(2007BAD07B01);福建省公益类科研院所基本科研经费专项(2009R10029)

摘　　要：对国家果树种质福州枇杷圃的199份枇杷[Eriobotrya japonica(Thunb.)Lindl.]种质资源,应用数量分类学中的Q型聚类分析方法进行分类,并对86个性状进行R型聚类分析和主成分分析。Q型聚类分析将199份种质资源在L=87.31水平分为栽培品种和野生资源两大类,在L=34.92水平分为5个组群,组群内来源地相同的种质资源多聚为小组,显示出较近的亲缘关系;R型聚类分析结果将86个性状明显聚为3组,多数性状表现两两相关或关系密切;主成分分析表明,86个性状可简化为28个主因子,其累积贡献率达74.7%,根据28个因子载荷量,选出影响力比较大的性状58个。Divisions of 199 loquat [Eriobotryajaponica （Thunb.） Lindl.] genetic resources and 86 germplasm characters were investigated in the resources of Fuzhou National Fruit Germplasm. Q cluster analysis showed that 199 loquat germplasm resources were seperated into cultivar and wild germplasm when L = 87.31 ： Five groups were seperated when L = 34.92, the germplasm resources in the same group were most came from the same origin region showing the nearest genetic relationship. R cluster analysis showed 86 characters closely related were significantly clustered into 3 groups. Principal component analysis suggested that, 86 characters can be simplified to 28 main factors, the cumulative contribution rate of 74.7%, and the relatively large influence of 58 characters based on the amount of 28 factors loading.

关 键 词：枇杷 种质资源 数量分类 聚类分析 主成分分析 

分 类 号：S667.3[农业科学—果树学]