高秆突变体Mh-11的株高遗传研究

来源 :遗传学报 | 被引量 : 0次 | 上传用户：wyt_2010

【摘要】

：

Mh-11是从矮秆品种桂朝2号辐射诱变后代中产生的高秆突变体.用Mh-11与sd-11矮秆、非sd-11矮秆和普通高秆材料杂交,通过对F1、F2、F3 等世代以及测交后代的株高进行遗传分析,

【作者】

：

朱旭东张晓惠钱前严学强闵绍楷熊振民

【机构】

：

中国水稻研究所水稻生物学部重点实验室

【出处】

：

遗传学报

【发表日期】

：

2004年期

【关键词】

：

水稻(Oryza sativa L.) 高秆突变抑制基因遗传

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Mh-11是从矮秆品种桂朝2号辐射诱变后代中产生的高秆突变体.用Mh-11与sd-11矮秆、非sd-11矮秆和普通高秆材料杂交,通过对F1、F2、F3 等世代以及测交后代的株高进行遗传分析,结果表明Mh-11的高秆特性是由1对隐性抑制基因控制的.该抑制基因能调节sd-11基因的表达,而对由非sd-11基因控制的矮秆没有抑制作用,这一隐性抑制基因暂时被定名为i-sd-11(t).还讨论了该基因的遗传学意义和可能的育种利用价值.

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高秆突变体Mh-11的株高遗传研究

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