Sixty-seven strains isolated from the root nodules of Trifolium, Crotalaria and Mimosa in comparison with 18 reference strains were analysed by 16S rDNA PCR-RFLP.

• 采用 16SrDNAPCR -RFLP分析和表型数值分类 ,对分离自三叶草 (Trifolium)、猪屎豆 (Crotalaria)和含羞草(mimosa) 3属植物的根瘤菌进行了分类研究。