热带亚热带植物学报2025，Vol.33Issue(4)：363-371,9.DOI:10.11926/jtsb.4892
基于SSR标记的中国花魔芋种质资源遗传多样性研究
Genetic Diversity Analysis of Amorphophallus konjac Germplasm Resources in China Based on SSR Markers
摘要
Abstract
In order to understand the genetic characteristics of Amorphophallus konjac germplasm resources,local germplasm samples were collected from intact cultivation areas in China.The genetic diversity and genetic differentiation patterns of A.konjac population were analyzed by using SSR markers.The results showed that the genetic diversity among populations was high,the number of effective alleles was 0.995-2.545,the Shannon information index was 0.304-0.964,and the average apparent heterozygosity and expected heterozygosity were 0.652 and 0.476,respectively.However,the genetic differentiation between populations was low,with an average of 0.090,and the correlation between genetic differentiation and geographical distance was very low,which might be related to the exchange of germplasm resources during cultivation.Yunnan Province had the highest genetic diversity of A.konjac,which was consistent with the theory that Yunnan province was the center of cultivation origin.The analysis of population genetic structure showed that three populations in western Yunnan were grouped into one cluster,which might be related to the lack of large-scale germplasm exchange between this region and other regions.So,these would provide theoretical reference for rational utilization and genetic improvement of A.konjac.关键词
花魔芋/种质资源/SSR标记/遗传多样性/遗传分化Key words
Amorphophallus konjac/Germplasm resource/SSR marker/Genetic diversity/Genetic differentiation引用本文复制引用
殷斯,高羽彤,解淑波,高永..基于SSR标记的中国花魔芋种质资源遗传多样性研究[J].热带亚热带植物学报,2025,33(4):363-371,9.基金项目
国家自然科学基金项目(31760103) （31760103）
云南省教育厅科学研究基金项目(2024J0937) （2024J0937）
云南省地方本科高校(部分)基础研究联合专项(202101BA070001-011) （部分）
云南省兴滇人才计划项目资助 This work was supported by the National Natural Science Foundation of China(Grant No.31760103),the Project for Science Research in Department of Education in Yunnan(Grant No.2024J0937),the Cooperative Special Program for Basic Research in Yunnan Provincial Undergraduate Universities(Grant No.202101BA070001-011),and the Project for Revitalization Talents in Yunnan. （Grant No.31760103）
