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粳稻野败型细胞质雄性不育恢复系SWR78的恢复基因定位

Chinese Journal of Rice Science(2009)

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Abstract
利用野败(WA)型粳稻广亲和不育系苏秋A和广亲和广谱型恢复系SWR78配组,根据F2与BC1F1群体的育性分离情况,初步推测WA型苏秋A的育性恢复至少由3对基因控制。选取F2群体中无染色花粉植株,采用隐性基因组分析法进行恢复基因定位,将其中1个主效基因Rf4定位于第10染色体长臂上,与标记RM5629、RM5373、STS10-17和STS10-18分别相距0.17、0.03、0.03和0.07 cM。Rf4位于标记RM5373与STS10-17之间,两标记间的物理距离为78 kb。
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Key words
japonica rice,fertility-restoring gene,molecular mapping,cytoplasmic male sterility,genetic mapping,molecular genetics,genes
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