耕作与栽培2025，Vol.45Issue(1)：1-7,14,8.
马铃薯杂交后代农艺性状及块茎形态遗传分析
Genetic Analysis of Agronomic Traits and Tuber Morphology in Potato Hybrid Offspring
摘要
Abstract
To explore the genetic segregation patterns of agronomic traits and tuber morphology in po-tato hybrids,this study analyzed the progeny variation,phenotypic diversity,correlation,clustering,and principal component analysis of 475 potato hybrid progeny populations with respect to 5 agronom-ic traits and 5 tuber morphological traits.The results showed that the potato traits exhibited high genetic diversity,and there were varying degrees of correlation between agronomic traits and tuber morphology.The segregation analysis of the hybrid progeny population revealed that the degree of leaf density,skin color of tubers,tuber shape,and skin smoothness exhibited a maternal genetic tenden-cy.Whereas flesh color of tubers and depth of eye buds showed a paternal genetic tendency.Through principal component analysis,5 principal components were extracted,with a cumulative contribution rate of 62.96%.At a genetic distance of 0.92,the 475 potato hybrid progeny populations can be divid-ed into 7 groups,with differing numbers of plants in each group.Group Ⅶ contained the largest num-ber of plants,totaling 151,while Group Ⅵ contained the fewest,with only 18 plants.The character-istics of the plants in each group varied,allowing for reasonable selection based on actual breeding goals.关键词
马铃薯/农艺性状/块茎形态/遗传多样性Key words
Solanum tuberosum L./agronomic traits/tuber morphology/genetic diversity分类
农业科技引用本文复制引用
康嘉慧,黄美菁,李雅萍,孙成,王芳..马铃薯杂交后代农艺性状及块茎形态遗传分析[J].耕作与栽培,2025,45(1):1-7,14,8.基金项目
青藏高原特色种质资源鉴定、创新与优异基因挖掘(2022-ZJ-902) （2022-ZJ-902）
国家现代农业产业技术体系(CARS-09) （CARS-09）
