Four antagonistic strains isolated from the soil of orchards were tested in their inhibitive activity and controlling efficacy on Pythium sp.,Sclerotium rolfsii.,Fusarium oxysporum f.sp.Binincasae and Fusarium oxysporum f.sp.cubense.The results showed that three antagonistic bacterial strains(bio-d4,bio-B3 and bio-p) were of significant inhibition against four plant pathogenic fungi,forming apparent inhibitive zones,and the antagonistic strain bio-d5 was not of inhibition against Sclerotium rolfsii,but was ...