In vitro assessment of antagonistic activity of Trichoderma viride against post harvest pathogens.

Abstract

Trichoderma viride isolated from partially decomposed fruits and vege table waste which collected from local market of Namakkal District, T amil Nadu. It showed inhibitory effects on some common post harvest pathogens of fruits and vegetables namely Aspergillus niger , A. flavus , A. fumigatus , Fusarium sp. and Penicillium sp. in vitro . T. viride inhibited the radial growth of A. niger (55%), A. flavus (51%), A. fumigatus (52%), Fusarium sp. (64%) and Penicillium sp. (54%) in dual culture. Maximum growth inhibiti on of A. niger (64%), A. fumigatus (49%) and A. flavus (48%) were found with the use of 50% culture filtr ate in medium.