These strains were classified into the genus of Rhizobium Frank and Agrobacterium Conn according to their morphology, physiological and biochemical characteristics and analysis of 16S rDNA sequence. 根据形态特征观察、生理生化特征测定和16Srdna序列分析结果,将As-1、As-2和As-3菌株鉴定为根瘤菌属RhizobiumFrank,Ag-1菌株鉴定为土壤杆菌属AgrobacteriumConn。