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《Acta Agriculturae Boreali-Sinica》 2009-03
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QTL Dissection of Heading Date in Rice(Oryza sativa L.Japonica)

HUANG Cheng1,JIANG Shu-kun1,LIU Meng-hong2,XU Zheng-jin1,CHEN Wen-fu1(1.Key Laboratory of Crop Physiology,Ecology,Genetics and Breeding,Ministry of Agriculture,Key Laboratory of Northern Japonica Rice Breeding of Liaoning Province,Shenyang Agricultural University,Shenyang 110161,China;2.Plant Protection Institute of Heilongjiang Academy of Land Reclaination Sciences,Jiamusi 154000,China)  
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 QTLs 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.
【Fund】: 辽宁省高等学校优秀人才支持计划(2006R48)
【CateGory Index】: S511
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