华南农业大学学报2026，Vol.47Issue(3)：404-411,8.DOI:10.7671/j.issn.1001-411X.202506023
187份湖南地方大豆种质资源多样性分析与综合评价
Diversity analysis and comprehensive evaluation of 187 soybean landraces collected from Hunan Province
摘要
Abstract
[Objective]To gain an in-depth understanding of the genetic diversity of soybean(Glycine max L.Merrill)landraces in Hunan Province,screen and identify superior germplasm resources with the characteristics of high-yield,high-protein,or high-oil.[Method]The agronomic traits,yield composition factors,and quality traits of 187 soybean landraces collected previously were analyzed for diversity and comprehensive evaluation using coefficient of variation,genetic diversity index,principal component analysis,and so on.[Result]The 187 soybean landraces in Hunan exhibited rich genetic diversity,with coefficients of variation ranging from 5.35%to 41.22%.Among them,the coefficient of variation for seed number per plant was the highest,while that of crude protein content was the lowest.Among all testing landraces,the crude protein mass fraction ranged from 35.36%to 48.98%,and the crude fat mass fraction ranged from 15.78%to 22.85%.The results of principal component analysis showed that the accumulative contribution rate of the four principal component factors reached 81.722%.Cluster analysis divided the 187 soybean landraces into five clusters.Cluster I(including two landraces)had higher pod number and seed number per plant,cluster II(including 44 landraces)had higher crude fat content,cluster III(including 41 landraces)had higher 100-seed weight and crude protein content.The comprehensive evaluation results indicated that the top three soybean landraces in terms of score were'Qiyuedou''Dalüpidou''Xiang 72-304',which had potential value as parents for creating high-quality and high-yield germplasm resources in Hunan and can be considered for utilization.[Conclusion]This study provides useful references for the innovative utilization and breeding of new soybean germplasm resources and varieties with high-quality and high-yield in Hunan,which is helpful to guide subsequent in-depth research and breeding work.关键词
大豆/湖南/种质资源/遗传多样性/综合评价Key words
Soybean(Glycine max L.Merrill)/Hunan/Germplasm resource/Genetic diversity/Comprehensive evaluation分类
农业科技引用本文复制引用
李东昊,黄伟,罗赵伟,谢依胜,阳小凤,周虹,姜玲..187份湖南地方大豆种质资源多样性分析与综合评价[J].华南农业大学学报,2026,47(3):404-411,8.基金项目
湖南省农业科技创新资金(2024CX125) （2024CX125）
岳麓山实验室人才项目(2024RC2005) （2024RC2005）
岳麓山实验室种业专项(YLS-2025-ZY04039) （YLS-2025-ZY04039）
湖南省自然科学基金(2025JJ50149) （2025JJ50149）
湖南省旱粮产业技术体系(HARS-02) （HARS-02）
