Fusarium, Colletotrichum and Penicillium spp. are the well-known pathogen that causes post-harvest plant diseases of the crops. Mainly it influences the fruit crop which plays the most important role in the economy of the many fruit-producing countries, so for the management of these post-harvest pathogens, it should need a specific management strategy. So, keeping in view the study was investigated in the laboratory of the Dept. of Mycology and Plant Pathology, Institute of Agricultural Sciences, BHU, Varanasi. These pathogens were tested against thirteen different phylloplane yeast isolates by dual culture technique. | Antagonistic effect of the phylloplane yeast against fusarium, colletotrichum and penicillium spp.