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Dikin, A., Sijam, K., Kadir, J. and Idris, A.S. (2005) Extraction of Antimicrobial Substances from Antagonistic Bacteria against Schizophyllum commune Fr. Proc. 27th Malaysian Microbiology Symposium. Innovation through Microbes. Grand Plaza Parkroyal, Penang, Malaysia, 24-27 November 2005. In: Kadir J., Rahman M. A., Mahmud T.M.M., Abdul Rahman R. and Begum M.M. 2008. Extraction of Antifungal Substances from Burkholderiacepacia with Antibiotic Activity against Colletotrichum gloeosporioides on Papaya (Carica papaya L.). Int. J. Agric. Biol., 10, 15-20.

has been cited by the following article:

• TITLE: In Vitro Antagonistic Activity of Trichoderma harzianum and Bacillus amyloliquefaciens against Colletotrichum acutatum

  AUTHORS: Rababe Es-Soufi, Houda Tahiri, Latifa Azaroual, Aïcha El Oualkadi, Patrick Martin, Alain Badoc, Ahmed Lamarti

  KEYWORDS: Biocontrol, Antagonism, Bacillus amyloliquefaciens, Trichoderma harzianum, Anthracnose, Colletotrichum acutatum

  JOURNAL NAME: Advances in Microbiology, Vol.10 No.3, March 10, 2020

  ABSTRACT: Biological control of plant diseases makes extensive use of the antagonists. The effectiveness of the control depends on the choice of an effective antagonist strains from criteria of implying a good knowledge of biological peculiarities of the material used. In this study, the antagonistic activities of nine isolates of Bacillus amyloliquefaciens and one isolate of Trichoderma harzianum were tested in vitro against seven strains of Colletotrichum acutatum, the causal agent of strawberry anthracnose. It was found that T. harzianum and B. amyloliquefaciens strains showed the ability to inhibit the mycelial growth of the pathogen by dual culture technique by more than 50 percent. The nonvolatile substances produced by the antagonists showed high inhibition percentages that are more than 99 percent, meanwhile their volatile compounds inhibited the mycelial growth of C. acutatum strains with low inhibition percentages starting from 30 percent except the substances produced by B. amyloliquefaciens Bc2 that showed a high inhibition percentage of more than 70 percent.