A polyphasic approach including both phenotypic and genotypic techniques was used to study their diversity and determine their taxonomic relationships with the known rhizobial strains.

• 本研究采用多相分类,从表型和遗传型两方面对分离自菜豆、杭子梢和决明的86株根瘤菌进行了分类研究,确定了它们的分类地位。