| 21 strains actinomycetes of tolerated 18% NaCl were compared with numerical classification using 89 characteristics.The results indicated that: all tested strains were clustered altogether at 0.66 similarity level.At 0.42 level,they became ten clusters,and belonged to 8 clusters of streptomyces and 2 unknown strains.ClusterⅠwas aureus,Cluster Ⅱ was cinerogriseus,Cluster Ⅲ was roseosporus,Cluster Ⅴ was globisporus,Cluster Ⅵ was griseofuscus,Cluster Ⅷ was albosporus,Cluster Ⅸ was flavus,ClusterⅩwas viridis,Cluster Ⅳ and Ⅶ was unknown.Besides,aureus was superiority cluster among saline tolerance actinomycetes in salt soils of Shaanxi and Ningxia provinces. |