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近年来,水稻白叶枯病在我省为中等偏重发生,部分地区为大流行,杂交稻对白叶枯病表现为感病或抗性不强,为了更清楚地了解生产上正在应用的或即将推广的杂交稻对白叶枯病的抗性,为“两高一优”农业服务。作者于1993年4月至10月在湖北省植保总站做了这个试验,试验结果如下: 1 供试材料 1.1 供试品种 共有10个品种或杂交稻组合,分别是:马协242、鉴真2号、D优64、马协63、汕优63、汕优64、威
In recent years, rice bacterial leaf blight occurs moderately in our province, and pandemic in some areas. The performance of susceptible or resistant hybrid rice to bacterial blight is not strong. In order to understand more clearly the current or emerging Promote the hybrid rice resistance to bacterial blight, “two high and one excellent” agricultural services. The authors conducted this experiment at Hubei Provincial Plant Protection Station from April to October 1993. The test results are as follows: 1 Test material 1.1 There were 10 varieties or hybrid rice combinations tested, namely: Horse Association 242, Jianzhen 2 No. D excellent 64, Ma 63, Shanyou 63, Shanyou 64, Granville