Identification of A Major R Gene to Rice Blast in Jiazao 324

doi:10.3969/j.issn.1006-8082.2014.02.005

Abstract

Abstract: Six different magnaporthe oryzae isolates were used to test the resistance of Jiazao 324, an indica rice variety, and a representative isolate was selected to analyse the inheritance of Jiazao 324's reistance. The results indicated that a single major R gene responsible for its resistance to the isolate, the corresponding R gene were mapped between SSR markers RM136 and RM7213 on the short arm of rice chromosome 6. The results were helpful for the utilization of Jiazao 324.

Key words: rice, blast disease, R gene

摘要： 采用6个不同的稻瘟病菌代表性菌株对嘉早324进行抗性分析，并利用1个代表性菌株对其抗性进行遗传分析，发现其对该菌株的抗性由主效单基因控制，并通过微卫星标记将其对应的抗性基因定位于水稻第6号染色体短臂RM136和RM7213之间。研究结果对嘉早324的利用有一定的指导价值。

关键词: 水稻, 稻瘟病, 抗性基因

CLC Number:

S435.111.4+1

CAI Jin-Yang. Identification of A Major R Gene to Rice Blast in Jiazao 324[J]. , 2014, 20(2): 20-22.

蔡金洋. 嘉早324中一个主效稻瘟病抗性基因的鉴定[J]. 中国稻米, 2014, 20(2): 20-22.

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Identification of A Major R Gene to Rice Blast in Jiazao 324

嘉早324中一个主效稻瘟病抗性基因的鉴定

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