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日本农林水产省和IRRI从1982年开始进行水稻白叶枯病抗性的共同研究,利用日本和菲律宾的判别品种与两产地的白叶枯病菌株进行分析,1987年选育出一组具有单个抗性基因的近等位基因系,确立了白叶枯病菌株的国际判别品种。 选育时以日本品种“丰锦”、IRRI品种“IR24”和韩国品种
Japan’s Ministry of Agriculture, Forestry and Fisheries and IRRI started joint research on resistance to bacterial blight in rice in 1982 using the discriminating cultivars in Japan and the Philippines and bacterial blight isolates from two producing areas. In 1987, a group of individuals with single Near alleles of the resistance genes established the international discriminant variety of the bacterial blight. Breeding of Japanese varieties “Feng Jin”, IRRI variety “IR24” and Korean varieties