130份薄皮甜瓜种质材料果实性状的遗传多样性分析评价  

Genetic diversity analysis of melon fruit characters of 130 oriental melongermplasm materials

作　　者：解华云 叶云峰[1] 李桂芬[1] 黄金艳[1] 覃斯华[1] 何毅[1] 柳唐镜[1] 李天艳[1] 韦正光[1] 洪日新[1] XIE Huayun;YE Yunfeng;LI Guifen;HUANG Jinyan;QIN Sihua;HE Yi;LIU Tangjing;LI Tianyan;WEI Zhengguang;HONG Rixin(Horticultural Research Institute,Guangxi Academy of Agricultural Sciences,Nanning 530007,Guangxi,China)

机构地区：[1]广西壮族自治区农业科学院园艺研究所,南宁530007

出　　处：《中国瓜菜》2024年第5期28-40,共13页China Cucurbits And Vegetables

基　　金：广西重点研发计划(桂科AB21196045);国家现代农业产业技术体系(CARS-25);广西自然科学青年科学基金(2020GXNSFBA297028)。

摘　　要：为研究薄皮甜瓜种质资源果实性状的遗传多样性,对从全国各地搜集到的130份薄皮甜瓜种质资源的17个果实相关性状进行变异分析、相关性分析、主成分分析和聚类分析。变异分析结果表明,11个质量性状的多样性指数变化范围为0.14~2.03,6个数量性状的多样性指数变化范围为1.55~2.03,17个性状的平均遗传多样性指数为1.25;相关分析结果表明,薄皮甜瓜种质果实的多个数量性状之间呈极显著相关;主成分分析结果表明,17个性状可归纳为7个主成分,累积方差贡献率达80.21%;聚类分析结果表明,当欧式距离为51.34时,可以将供试材料分为两大类群。综上所述,130份薄皮甜瓜种质的果实性状遗传差异明显,具有新品种选育和改良的利用价值。In order to study the genetic diversity of fruit traits of orientalmelon germplasm materials,the variation analysis,correlation analysis,principal component analysis and clustering analysis of 17 fruit related traits were investigated for 130 orientalmelon germplasm materials.The results of variance analysis showed that the diversity index of fruit related 11 qualitative and 6 quantitative traits ranged from 0.14 to 2.03,1.55 to 2.03,respectively.The average genetic diversity index of 17 fruit related traits was 1.25.The results of correlation analysis showed that there were significant correlations among several fruit related quantitative traits.Principal component analysis suggested that 17 fruit related traits were summarized into seven principal components,and the cumulative contribution rate was 80.21%.In addition,the 130 germplasm materials were divided into two groups in Euclidean distance 51.34.In conclusion,the fruit related traits in 130 germplasm materials have rich diversity,which will lay a basis for oriental melon new variety breeding and genetic improvement.

关 键 词：薄皮甜瓜 种质材料 果实性状 表型 遗传多样性 

分 类 号：S652[农业科学—果树学]