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1、美国A.P.拉等人用5个大豆品种正反交测定抗大豆孢囊线虫的细胞质(母体)效应.他们根据试验结果认为,亲本包括抗性和易感品种的正反交F_1的单株孢囊数没有显著差异。说明对大豆孢囊线虫的抗性没有细胞质(母体)效应;F_1的孢囊数比易感亲本少,说明易感性呈不完全显性;大豆品种Peking和PI88788控制抗生理小种—3的基因是等位基因。
1. American AP et al. Determined the cytoplasmic (maternal) effect against soybean cyst nematode using the reciprocal crosses of 5 soybean cultivars, and according to the results of the experiment, they believed that the parents included the plants with reciprocal cross of F 1 resistant and susceptible There was no significant difference in the number of cysts. The results showed that there was no cytoplasmic (maternal) effect on the resistance to soybean cyst nematode. The number of cytoplasm of F_1 was less than that of the susceptible parent, indicating that the susceptibility was not completely dominant. The soybean gene Peking and PI88788 Is the allele.