| 不同发育阶段大豆株高和茎粗QTL的动态分析 |
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| 引用本文： | 周 蓉,陈海峰,王贤智,张晓娟,单志慧,吴学军,邱德珍,伍宝朵,沙爱华,杨中路,周新安.不同发育阶段大豆株高和茎粗QTL的动态分析[J].植物遗传资源学报,2010,11(3):349-359. |
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| 作者姓名： | 周 蓉 陈海峰 王贤智 张晓娟 单志慧 吴学军 邱德珍 伍宝朵 沙爱华 杨中路 周新安 |
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| 作者单位： | 中国农业科学院油料作物研究所/农业部油料作物生物学重点开放实验室,武汉,430062 |
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| 基金项目： | 国家自然科学基金，国家高技术研究发展计划(863计划)，国家科技支撑计划，转基因生物新品种培育重大专项 |
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| 摘 要： | 利用中豆29×中豆32的重组自交系,以复合区间作图法对不同发育阶段的大豆株高和茎粗同时进行非条件和条件QTL定位,在11个连锁群检测到18个株高QTL,在9个连锁群检测到19个茎粗QTL。不同发育时期影响大豆株高和茎粗QTL的数量、加性效应和贡献率均不相同,QTL表达具有时序性和选择性,有些QTL仅表达1次,有些可多次连续表达。有3个株高QTL和1个茎粗QTL在3个年度重复表达,有6个株高QTL和2个茎粗QTL在2个年度重复表达。F连锁群上株高和茎粗QTL存在共位性,R1～R4期均有株高和茎粗QTL同时表达,但株高和茎粗QTL的增效基因不同,株高QTL表达次数多而茎粗QTL表达次数较少,前期(V4～R3)QTL表达数量多而后期(R4～R5)表达数量较少。株高和茎粗QTL的动态变化与表型相关分析结果一致,对于适期选择粗秆抗倒的高产材料具有指导作用。
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| 关 键 词： | 大豆 株高 茎粗 发育阶段 QTL |
Dynamic Analysis of QTL for Plant Height and Stem Diameter at Different Developmental Stages in Soybean |
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| ZHOU Rong,CHEN Hai-feng,WANG Xian-zhi,ZHANG Xiao-juan,SHAN Zhi-hui,WU Xue-jun,QIU De-zhen,WU Bao-duo,SHA Ai-hua,YANG Zhong-lu,ZHOU Xin-an.Dynamic Analysis of QTL for Plant Height and Stem Diameter at Different Developmental Stages in Soybean[J].Journal of Plant Genetic Resources,2010,11(3):349-359. |
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| Authors: | ZHOU Rong CHEN Hai-feng WANG Xian-zhi ZHANG Xiao-juan SHAN Zhi-hui WU Xue-jun QIU De-zhen WU Bao-duo SHA Ai-hua YANG Zhong-lu ZHOU Xin-an |
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| Institution: | ZHOU Rong,CHEN Hai-feng,WANG Xian-zhi,ZHANG Xiao-juan,SHAN Zhi-hui,WU Xue-jun,QIU De-zhen,WU Bao-duo,SHA Ai-hua,YANG Zhong-lu,ZHOU Xin-an(Oil Crops Research Institute,Chinese Academy of Agricultural Sciences/Key Laboratory of Oil Crops Biology of the Ministry of Agriculture,Wuhan 430062) |
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| Abstract: | Plant height and stem diameter are important agronomic traits in soybean,which have effect on yield and lodging.The objective of this study was to molecularly map the QTL conditioning plant height and stem diameter at different developmental stages of soybean growth.A population of 165 recombinant inbred lines(RILs) derived from a cross between Zhongdou 29 and Zhongdou 32 was used in this study.Based on unconditional and conditional QTL mapping methods,18 QTLs for plant height and 19 QTLs for stem diameter ... |
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| Keywords: | QTL Soybean Plant height Stem diameter Developmental stages QTL |
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