摘要
为丰富我国甜瓜种质资源库,从中东-中亚引入60份厚皮甜瓜种质资源,对其19个表型性状进行了初步研究,并采用基本统计量、相关性、主成分及聚类分析等分析方法进行综合评价。结果表明,19个表型性状的变异系数为4.32%~54.98%,其中果脐的变异系数最大,为54.98%,产量遗传多样性指数最高,为2.25。H9-52、H9-40和H9-37生长势较强;H9-25、H9-13和H9-15果脐较大;H9-17单瓜质量较大,H9-10和H9-13瓜皮较厚,H9-50瓜肉较厚。产量和生育期所受影响因素众多,相关性分析表明这两者与其他性状的相关关系也最复杂。主成分分析将19个性状简化为8个主成分,累计贡献率为86.044%,命名为生长势因子、形态因子、产量因子、品质因子和熟期因子。聚类分析将60份种质资源分为5类,不同类群在产量、生长势、熟性方面差异显著。综合评价居前五名的厚皮甜瓜品种为H9-17、H9-26、H9-15、H9-29和H9-30。结果表明,引入的中东-中亚甜瓜种质资源具有丰富的遗传多样性,对拓宽我国甜瓜育种的遗传基础具有重要价值。
To enrich the melon germplasm resources in China,60 thick-skinned melon accessions were introduced from the Middle East-Central Asia region.Nineteen phenotypic traits were investigated,and comprehensive evaluation was conducted using analytical methods such as baisc statistics,correlation analysis,principal component analysis(PCA),and cluster analysis.The results showed that the coefficient of variation for the 19 phenotypic traits ranged from 4.32%to 54.98%,with the largest coefficient of variation observed in fruit umbilicus(54.98%),and the highest genetic diversity index found in yield(2.25).H9-52,H9-40,and H9-37 exhibited strong growth vigor;H9-25,H9-13,and H9-15 had larger fruit umbilici;H9-17 exhibited greater single fruit mass,H9-10 and H9-13 had thicker pericarp,and H9-50 had thicker mesocarp.Yield and growth period are influenced by multiple factors,and correlation analysis indicated that these two traits had the most complex relationships with other traits.Principal component analysis simplified the 19 traits into eight principal components,with a cumulative contribution rate of 86.044%,named as growth vigor factor,morphology factor,yield factor,quality factor,and maturity factor.Cluster analysis classified the 60 germplasm resources into five groups,with significant differences observed among the groups in terms of yield potential,growth vigor,and maturity.The top five thick-skinned melons based on comprehensive evaluation were H9-17,H9-26,H9-15,H9-29 and H9-30.These findings demonstrate that the introduced germplasm resources from the Middle East-Central Asia region possess rich genetic diversity,holding significant value for broadening the genetic basis of melon breeding breeding in China.
作者
刘翔宇
艾尼瓦尔·阿不都拉
徐彦军
王瑞华
潘雯
阿力木·阿不迪力木
吴海波
LIU Xiangyu;Anwar·Abdulla;XU Yanjun;WANG Ruihua;PANWen;Alimu·Abudilimu;WU Haibo(Turpan Research Institute of Agricultural Sciences,Xinjiang Academy of Agricultural Sciences,Turpan 838000,Xinjiang,China)
出处
《中国瓜菜》
北大核心
2025年第10期29-38,共10页
China Cucurbits And Vegetables
基金
新疆维吾尔自治区现代农业产业技术体系(XJARS-06-06)
上合组织国际科技合作计划(2022E01035)
新疆维吾尔自治区农业农村发展创新与服务项目(NTFW-2025-14)
吐鲁番市重点研发项目(2024008)
新疆维吾尔自治区科技特派员农村科技创业行动项目(2024KZ006)。
关键词
厚皮甜瓜
中东-中亚地区
表型分析
综合评价
Thick-skinned melon
Middle East-Central Asia area
Phenotypic analysis
Comprehensive evaluation
