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Genetic analysis and mapping of a mutant gene for high tillering and dwarf in rice(Oryza sativa L.)
Pages: 1-5
Year: Issue:  1
Journal: Acta Agriculturae Zhejiangensis

Keyword:  rice(Orym sativa L.)high-tillering and dwarf mutantgenetic analysismap-based cloning;
Abstract: 从粳稻品种\'中花11\'转基因后代中发现了一个矮秆多分蘖突变体,突变体表现出植株矮化、分蘖力强、穗长变短、叶片变窄及结实率降低等一系列突变表型.遗传分析表明该矮秆多分蘖突变体表型受一对隐性核基因控制,因其与突变体htd1具有相类似的表型,故将该基因命名为htd2.利用籼粳杂交F_2群体将突变基因定位在第3染色体短臂上SSR标记RM6038和RM5444之间,与两个标记的遗传距离分别为1.4和2.1 ...
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