Influence of Verticillium dahliae mycelium on 4 types of extracellular hydrolases activity of Streptomyces 
XUE Lei,XUE Quan-hong,LU Jian-jun,SHEN Guang-hui,ZHAO Juan  
Acta Phytopathologica Sinica . 2012, (1): 73 -83 .