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用交叉凝集试验对从辽宁省分离的快生型大豆根瘤菌及USDA保存的中国快生型大豆根瘤菌进行了抗原分析以及分析了它们与其他互接种族根瘤菌之间的关系。结果证明两组快生型大豆根瘤菌都有5个血清型。其中有2个型是共同的。快型大豆根瘤菌和一些其他根瘤菌有低滴度反应与1株苜蓿菌株有高滴度反应。但不与慢型大豆根瘤菌起反应。
The cross-agglutination test was used to analyze the antigens of fast-growing soybean rhizobia isolated from Liaoning Province and Chinese fast-growing soybean rhizobium of USDA and to analyze their relationship with other inter-genus Rhizobium. The results show that two groups of fast-growing soybean Rhizobium have 5 serotypes. Two of them are common. Rapid titers of Rhizobium japonicum and some other Rhizobia strains have a low titer response to a high titer of alfalfa strains. But does not react with the slow soybean Rhizobium.