For this reason we evaluated 15 yeast strains belonging to 4 species isolated from minimally processed and fermented vegetables for their biocontrol activities against B. cinerea. The results of the preliminary antagonistic activity in vitro assays demonstrated that yeast isolates were able to suppress causal agent of gray moldmold disease at different levels, although acidic conditions (PDA medium at pH 4.5) emphasized the biocontrol efficacy of M. pulcherrima and W. anomalus strains