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水稻抽穗期的QTL剖析 被引量:13

QTL Dissection of Heading Date in Rice(Oryza sativa L.Japonica)
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摘要 利用沈农265/丽江新团黑谷的F2群体对抽穗期进行定位分析表明,该群体共定位到7个控制抽穗期的QTLs,分别位于第2,3,6和7染色体上。单个QTL对性状表型贡献率在9.7%-23%之间。与其他研究结果比较表明,多数控制抽穗期的QTLs在不同的材料、不同遗传背景下重演性较好。同时,发现一个新的QTL位点,这些为北方粳稻育种的生育期选择提供基础性数据。 Quantitative trait loci(QTL)for heading date were detected in rice by using an F2 population derived from the cross Shennong 265/Lijiangxintuanheigu. Totally,7 QTLs for heading date were detected on chromosome 2,3,6 and 7, respectively. Comparison among different studies revealed that most QTI.s for heading date were easy to be redetected in different materials and environments. And a new QTL locus for heading date was detected in this study. These results provide the basic data for selecting heading date of the Japonica rice breeding.
出处 《华北农学报》 CSCD 北大核心 2009年第3期7-9,共3页 Acta Agriculturae Boreali-Sinica
基金 辽宁省高等学校优秀人才支持计划(2006R48)
关键词 水稻 抽穗期 数量性状位点 Rice Heading date QTLs
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参考文献16

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