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用广谱感瘟籼型品种Ｂ４０分别与３个持久抗瘟性籼型品种Ｔｅｔｅｐ、湘资３１５０和谷梅２号杂交。３个组合的Ｆ１和Ｆ２及双亲在苗期用Ｚｈ２１菌株喷雾接种。结果表明，Ｔｅｔｅｐ、谷梅２号和湘资３１５０均由２对显性基因控制对试验菌株的抗性，其中前２个品种的基因间表现重叠效应，后１个品种的基因间表现抑制效应。
The broad-spectrum susceptible indica rice B40 was crossed with three long-lasting indica rice varieties Tetep, Xiangzi 3150 and Gumei 2 respectively. 3 combinations of F1 and F2 and parents in the seedling with Zh 2 1 strains spray inoculation. The results showed that the resistance of Tetep, Gumei 2 and Xiangzi 3150 to the tested strains were controlled by two pairs of dominant genes. Among them, the first two cultivars showed the overlapping effect among the genes and the inter-gene inhibitory effect .