中国油料作物学报2025，Vol.47Issue(1)：71-80,10.DOI:10.19802/j.issn.1007-9084.2023288
小粒花生品种遗传多样性分析与综合评价
Genetic diversity and comprehensive assessment of small-pod peanut varieties
摘要
Abstract
To facilitate the screening of excellent peanut germplasm,25 small-pod peanut varieties were used to genetic diversity analysis based on 18 phenotypic traits.Results revealed that the 25 small-pod peanuts had abundant genetic diversity,and the highest Shannon-Wiener diversity index among quality traits was leaf shape(0.95),the highest Shannon-Wiener diversity index among quantitative traits was productivity per plant(1.959),and the highest coefficient of variation was the number of full pods per plant(46.421%).Results of factor analysis indi-cated that cumulative contribution rate of the first 3 main factors extracted was 80.506%.The first factor mainly re-flected peanut yield traits,such as 100-pod weight and 100-seed weight.The second factor mainly represented the yield components such as total branche number,branche number with pods,full pod number and the productivity per plant.The third factor mainly reflected the plant height.The 25 small-pod peanuts were divided into 3 groups by cluster analysis.The Group Ⅰ included varieties with higher main stems,longer lateral branches and greater po-tential for yield increase.The Group Ⅱ included varieties with coordinated growth of main characteristics and bet-ter stable yield.The Group Ⅲ included varieties with relatively single excellent characteristics.By calculating the comprehensive score of peanut varieties,the highest score was of Jihua 10,and the lowest was of Jihua 8.关键词
花生/性状/遗传多样性/因子分析/聚类分析/综合评价Key words
peanuts/traits/genetic diversity/factor analysis/cluster analysis/comprehensive evaluation分类
农业科学引用本文复制引用
苗建利,邓丽,殷君华,郭敏杰,任丽..小粒花生品种遗传多样性分析与综合评价[J].中国油料作物学报,2025,47(1):71-80,10.基金项目
财政部和农业农村部:国家现代农业产业技术体系资助(CARS-13) （CARS-13）
河南省农业良种攻关项目(20220100001) （20220100001）
开封市重点研发专项(22ZDYF008) （22ZDYF008）
河南省重大科技专项(创新示范专项)(191110110900) （创新示范专项）
