Biological Suppression of Grey Mold of Cucumber by Bacillus RCl under Saline Soil Conditions

doi:10.7668/hbnxb.2011.01.040

Abstract

Abstract: Effects of different salt concentrations on the antibacterial activity and the control on cucumber greymold of Bacillus RCl were studied. The results showed that the aseptic culture filtrate of the strain suppressed thegrowth of hyphae of B. ciuerea the inhibition effect against B. ciuerea was enhanced with the increase of the concentra-tion of the aseptic culture filtrate. The growth of Bacillus RC1 was impacted by sea salt of 2% 4% and 8%.The inhi-bition effect of Bacillus RC1 against growth of hyphae of B.ciuerea was impacted under saline conditionsIt was de-creased with the increase of concentration of sea salt. The control effect of Bacillus RC1 on grey mold of cucumber wasdecreased with the increase of concentration of sea salt.

Key words: Bacillus, Biological control, Grey mold of cucumber, Salt stress

CLC Number:

S436.421.1

YUE Dong-xia, ZHANG Yao-wu, HAN Tong-hua. Biological Suppression of Grey Mold of Cucumber by Bacillus RCl under Saline Soil Conditions[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(1): 196-199. doi: 10.7668/hbnxb.2011.01.040.

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