一个新的水稻迟熟性基因的遗传分析和分子标记定位

来源 :遗传学报 | 被引量 : 0次 | 上传用户：liongliong559

【摘要】

：

中籼迟熟水稻品系8987含未知的长生育期基因,在杂交水稻育种中有重要的利用价值,应用该品系与4个不同生态类型的水稻品种杂交,对其F1和F2群体进行生育期调查和遗传分析,确认8

【作者】

：

李仕贵马玉清王文明刘国庆周开达朱立煌 Zhu Li

【出处】

：

遗传学报

【发表日期】

：

2004年期

【关键词】

：

水稻生育期分子标记基因定位

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中籼迟熟水稻品系8987含未知的长生育期基因,在杂交水稻育种中有重要的利用价值,应用该品系与4个不同生态类型的水稻品种杂交,对其F1和F2群体进行生育期调查和遗传分析,确认8987的长生育期受1对隐性主效基因控制.以(8987地谷)F2群体为基础,应用RFLP和微卫星标记结合群分法,发现第7染色体的RFLP标记C213与该基因连锁;进一步应用F2分离群体将该基因定位于第7染色体上,暂定名为lf-3.此基因的发现和定位将有助于分子标记辅助选择和杂交水稻的改良.

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一个新的水稻迟熟性基因的遗传分析和分子标记定位

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