论文部分内容阅读
对分离自中国黑龙江、辽宁等15个省(区)的366个中华根瘤菌(快生型大豆根瘤菌)分离物进行了血清学分类和自然分布分析。结果表明211个菌株占58％的分离物被归为14个血清型。其中分布频率较高的血清型为2048,217和2120,分别为总分离物的20.7,13和9％。15个省(区)的S.fredii自然分布频率不同,出现最多的血清型为2048、217、2120、2077、DE1611和DE412。讨论了S.fredii血清学分布在大豆——大豆根瘤菌共生体系生态学研究中的价值和意义。
366 strains of Sinorhizobium fredii (fast-growing soybean rhizobium) isolates isolated from 15 provinces (regions) in China including Heilongjiang and Liaoning provinces were analyzed for serological classification and natural distribution. The results showed that 58% of the 211 isolates were classified as 14 serotypes. Among them, serotypes with higher frequency of distribution were 2048, 217 and 2120, which were 20.7, 13 and 9% of the total isolates, respectively. S.fredii of 15 provinces (districts) had different natural distribution frequencies, with the most frequent serotypes being 2048, 217, 2120, 2077, DE1611 and DE412. The value and significance of S.fredii serological distribution in the ecology of soybean-soybean rhizobia symbiotic system were discussed.