The validation of quantitative trait locus underlying the resistance to rice bacterial leaf streak using near-isogenic line
2005
Chen Zhiwei, Wu Weiren, Jing Yanjun
Chinese. 以均匀分布于水稻12条染色体上的104个SSR标记,通过图示基因型分析法对抗水稻细菌性条斑病的近等基因系H359R的基因组组成进行分析,并结合初步定位的遗传图谱、水稻物理图谱以及水稻SSR遗传图谱的线性比较结果,对H359R携有的细条病抗性QTL进行分析.结果表明,抗病近等基因系H359R包含3个来自抗病亲本Acc8558的抗性QTL区段,1个来自感病亲本H359的抗性QTL区段,证实了之前对细条病抗性QTL初步定位的可靠性.同时该结果也显示,只要聚合4-5个主要QTL的抗病等位基因,即能培育出高抗细条病的品种.
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