麦类作物学报2026，Vol.46Issue(1)：32-43,12.DOI:10.7606/j.issn.1009-1041.2026.01.04
普通小麦产量相关农艺性状的全基因组关联分析
Genome-Wide Association Study on Agronomic Traits Related to Yield in Common Wheat
摘要
Abstract
To analyze the genetic rules of agronomic traits related to wheat yield,in this study,319 wheat materials and 16K SNP array data were utilized.Through the method of genome-wide associa-tion study(GW AS),seven yield-related traits,namely plant height,spike length,number of spike-lets per spike,1 000-grain weight,grain length,grain width,and grain length-to-width ratio,were analyzed in five environments.The results showed that all the seven traits exhibited extensive pheno-typic variations,with the coefficient of variation ranging from 5.97％to 15.77％,and the broad-sense heritability ranging from 82.42％to 96.62％.The results of the genome-wide association analysis in-dicated that a total of 98 significant and stable SNP loci were detected in five environments,explaining 2.9％to 12.1％of the phenotypic variations.Among them,three SNP loci,namely 1D-325966494,2D-645942075,and 7D-166300030,showed pleiotropy.Through haplotype analysis,two excellent haplotypes that significantly reduced the plant height were obtained,which were located in specific re-gions of chromosomes 2A and 3A.One candidate gene TraesCS2A02G457400 related to plant height was identified,and its function has not been clarified yet.关键词
小麦/全基因组关联分析/产量性状/SNP标记/候选基因Key words
Wheat/Genome-wide association study/Yield traits/SNP markers/Candidate genes分类
农业科技引用本文复制引用
宋科峰,孙道杰,邢远航,赵慧玲,张传量,李月月,宋鹏博,赵文莎,张傲琰,简俊涛..普通小麦产量相关农艺性状的全基因组关联分析[J].麦类作物学报,2026,46(1):32-43,12.基金项目
国家重点研发计划项目(2016YFD0101802) （2016YFD0101802）
