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本研究以典型的籼粳交(春江06/台中本地1号)F1经花药培养产生的双单倍体(DH)群体为材料,考察了该群体及其双亲抽穗期功能叶的叶长、叶宽和叶倾角。结果表明,相邻功能叶的叶型特征有极显著的相关性。所考察的有关性状在DH群体中均表现连续分布,且有一定数量的超亲个体,呈多基因控制的数量性状特征。QTL分析共检测到52个水稻抽穗期功能叶叶型有关的QTL,它们分布于除第5染色体外的其他11条染色体上,贡献率介于6.27%～23.30%之间。增效等位基因的聚合能明显调节不同叶位功能叶的叶型,并对其在常规稻和杂交稻的育种应用前景进行了探讨。
In this study, we used the doubled haploid (DH) population derived from typical F1 hybrid F1 of indica and japonica hybrids (Chunjiang 06 / Taichung Local 1) to study the leaf length and leaf length of functional leaves at heading stage Wide and leaf dip. The results showed that leaf features of adjacent functional leaves had a very significant correlation. The traits investigated in the DH population showed continuous distribution, and there is a certain number of super-pro-individuals, a number of genetically controlled quantitative trait characteristics. A total of 52 QTLs related to functional leaf-type at heading stage were detected by QTL analysis, which were distributed on 11 other chromosomes except chromosome 5, with the contribution rates ranging from 6.27% to 23.30%. The synergistic allele polymerization could obviously regulate leaf types of functional leaves at different leaf positions and discussed its potential application in breeding of conventional rice and hybrid rice.