In order to assess the efficiency of the yeasts as BCAs, the method described by Scuderi et al. (2009), with slight modifications, was used. Representative strains of each species (M. pulcherrima MPR3, A. pullulans PI1, W. anomalus BS91 and S. cerevisiae BCA61) were used for subsequent in vivo test. Table grape fruits were obtained from commercial orchards in Sicily, Italy. Grape fruits had not received any pre-harvest fungicide treatment.