【摘 要】
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The quantitative trait loci (QTLs) for cold tolerance relative characters were identified with microsatellitemarkers. Ten QTLs located on chromosome 1, 3, 4, 5,
【机 构】
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Laboratory of Biotechnology, Hunan Rice Research Institute, Changsha 410125, China“,”Laboratory of B
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The quantitative trait loci (QTLs) for cold tolerance relative characters were identified with microsatellitemarkers. Ten QTLs located on chromosome 1, 3, 4, 5, 6, 8, 9, 11(two)and 12 were detected for seedling height atdifferent low temperature. Only 2 of these were detected at the same locus at four environments, 1 was significant atthree environments, 6 were significant at two environments and 1 was significant at one environment. Seven QTLslocated on chromosome 1(two), 2(two),5,6, 8 were found for low temperature chlorosis resistance and five QTLslocated on chromosome 3, 4, 7, 8, 11 resistant to chilling injury. The amount of variation explained by individual QTLranged from 4.85% to 49.34%. There was no linkage relationship among the three characters, which indicates seedlingcold tolerance is a complex character and is controlled by different QTLs.
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