中国农业科学2012，Vol.45Issue(13)：2568-2579,12.DOI:10.3864/j.issn.0578-1752.2012.13.002
不同环境下大豆荚粒性状的遗传与QTL分析
Genetic Analysis and QTL Mapping of Pod-Seed Traits in Soybean Under Different Environments
摘要
Abstract
[ Objective] Soybean [Glycine mar (L.) Merr.] pod-seed trait is one of the most important traits related with yields. In this paper, the relationship between soybean pod-seed traits and yields was studied, the QTLs controlling soybean pod-seed trails were mapped, and the soybean pod-seed trait molecular genetic mechanism was revealed. [Method] Based on three yean and two environments data, a recombinant line population of 474 F2:8:11 lines from a cross of Jindou 23 and ZDD2315 was used for analyzing and mapping QTLs of soybean pod-seed related traits. [ Result ] The results of the molecular genetic analysis indicated that the field traits have a significant positive correlation or extreme significant positive correlation with 100-grain-weight, grain length, single grain weight, two-grain pod and three-grain pod. According to three years and two environments data, the authors mapped six QTLs of field traits related, four QTLs of 100-grain-weight, ten QTLs of single line grain weight, two QTLs of grain width, five QTLs of grain length, seven QTLs of one-grain pod, five two-grain pod, seven QTLs of three-grain pod and five QTLs of four-grain pod. [Conclusion] The identification of consistent QTLs under different environments and in different years will be used as candidate chromosome regions, which will help to improve the efficiency of selection for pod-seed related traits in soybean through molecular marker-assisted selection.关键词
大豆/荚粒性状/遗传/QTLKey words
soybean/ pod-seed traits/ genetic/ QTL引用本文复制引用
梁慧珍,余永亮,杨红旗,张海洋,董薇,李彩云,巩鹏涛,刘学义,方宣钧..不同环境下大豆荚粒性状的遗传与QTL分析[J].中国农业科学,2012,45(13):2568-2579,12.基金项目
河南省科技创新杰出人才计划(114200510002)、转基因生物新品种培育科技重大专项(2011ZX08004-005)、"948"国际引进项目(2011-G1-13) （114200510002）
