花生学报2023,52（2）：61-67JournalofPeanutScience,Vol.52,No.2,2023DOI:10.14001/j.issn.1002-4093.2023.02.00894个花生新品种主要农艺性状遗传多样性分析李洁1.2,聂红民1，陈翠霞1，李振华1,马金娜1，郭红甫1*（1.濮阳市农林科学院，河南濮阳457000；2.福建农林大学农学院，福建福州350002）摘要：为深入了解和利用新育成的花生品种，以94个花生新品种为试验材料，对8个主要农艺性状进行变异系数、遗传多样性、相关性、灰色关联度和聚类等分析。结果表明，94个花生品种的8个农艺性状变异较大、遗传多样性丰富，其中变异范围在12.05%～37.96%，遗传多样性指数范围在1.86～2.07。大部分性状之间互相影响、相互制约，主茎高与侧枝长极显著正相关，与出仁率极显著负相关，侧枝长与出仁率极显著负相关，总分枝数与结果枝数、单株结果数极显著正相关，结果枝与单株结果数极显著正相关，百果质量与百仁质量极显著正相关；产量与百果质量、百仁质量极显著正相关。8个性状与花生产量灰色关联度（GRA值）从大到小依次是百果质量、百仁质量、出仁率、侧枝长、主茎高、单株结果数、总分枝数、结果枝数。系统聚类分析将94个品种分为三个类群，不同类群间百果质量、百仁质量差别较大。关键词：花生；遗传多样性；相关性；表型性状中图分类号：S565.202.3；S324GeneticDiversityofMajorAgronomicTraitsin94NewPeanutCultivarsLIJiel-2,NIEHong-min',CHENCui-xia',LIZhen-hua',MAJin-na',GUOHong-ful*(1.PuyangAcademyofAgricultureandForestrySciences,Puyang457000,China;2.CollegeofAgriculture,FujianAgricultureandForestryUniversity,Fuzhou350002,China)Abstract:Inordertounderstandandutilizethenewlybredpeanutcultivars,94newpeanutculti-varswereusedasexperimentalmaterialstoanalyzethecoefficientofvariation,geneticdiversity,cor-relation,greycorrelationandclusteringofeightmajoragronomictraits.Theresultsshowedthateightagronomictraitsof94peanutcultivarshadlargevariationandrichgeneticdiversity,amongwhichthevariationrangedfrom12.05%to37.96%andthegeneticdiversityindexrangedfrom1.86to2.07.Mosttraitsinfluencedandrestrictedeachother,themainstemheightweresignificantlypositivelycorrelatedwiththelateralbranchlengthandnegativelycorrelatedwiththekernelrate,thelateralbranchlengthwassignificantlynegativelycorrel...
