Efficacy of Some Plant Extracts Against Postharvest Fruit Rot Pathogens

Abstract

Fruit rot is a very common and destructive disease that causes serious economic loss in production of mainly fruits and vegetables. Ecofriendly, plant extracts have shown great potential as an alternative to synthetic fungicides. Plant produce wide range of secondary metabolites.In the present study, preliminary antifungal activity of A. indica, L. camara, D. stramonium, O. sanctum was tested against postharvest fungal pathogens of Papaya, Lemon and Sapota. Aqueous, ethanolic, methanolic and Acetone Extracts were prepared to test the antifungal activity in the concentration of 20%, 40%,60%,80% and 100%. The investigation showed that methanolic plant extracts gives better results as compare to other solvent extracts. And the rate of mycelial growth decreases as the rate of concentration increases.