QTL Analysis of Agronomic Traits in Soybean
大豆农艺性状的QTL分析(摘要)(英文)作者机构：日照职业技术学院山东日照276826 中国农业科学院作物研究所国家农作物基因资源与遗传改良重大科学工程农业部作物种质资源与生物技术重点开放实验室北京100081
出 版 物：《Agricultural Science & Technology》 (农业科学与技术（英文版）)
年 卷 期：2010年第11卷第1期
页 面：51-54,72页
基 金：Supported by National Natural Science Foundation of China(30490250)~~
主 题：Soybean Composite interval mapping Agronomic traits QTL
摘 要：[Objective]The aim was to analyze QTL of agronomic traits in soybean and provide reference for a discussion on soybean genetic mechanism and genetic breeding. [Method]The composite interval mapping method was used for QTL location and genetic effects analysis on 5 quantitative traits including protein content,fat content,yield,100-grain weight and growth period. [Result]The control of these traits 4,4,1,2,5,a total of 16 QTL loci was detected. The genetic contribution rate was in 7.4%-33.7%,among which,a large main-effect QTL of the genetic contribution rate were located in linkage group I Satt562-Sat_219,Sat_219-Satt496,Sat_219-Satt496 interval of the three control protein content QTL sites,their genetic contribution rates were 29.15%,33.7 % and 31.67% respectively,all from the female parent Hefeng 25 plus minor gene; still in O linkage group Satt477-Satt331,Satt331-Satt153 interval of two control growing period QTL loci,their genetic contribution rates were up to 24.69% and 24.96%,also from the female parent Hefeng 25 plus minor gene. In addition,six QTL sites from M linkage group Satt175 （protein）,A1 linkage group Satt684 （oil）,F linkage group Satt348 （oil）,J linkage group Sat_412 （oil）,C1 linkage group Sat_416 （100-grain weight） and C1 linkage group Sat_416 （growth period） marks only 0.01 cm were detected. [Conclusion]QTL sites which had effects on the 5 important agronomic traits in soybean were located.
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