Evaluation of antifungal activity of Hexanoic acid (Hx) against Fusarium oxysporum f. sp. Lycopersici (Research Article)

Author(s): M. Arundathi and B. Ramesh*

Abstract: Hexanoic acid (Hx) is recognised as a potential plant disease resistance inducer as well as an antifungal agent. In the present study, we have studied antimicrobial activity of Hx against Fusarium oxysporum f. sp. Lycopersici (FOL) by in vitro disc diffusion method. FOL is a causal agent of vascular wilt disease of tomato (Solanum lycopersicum L.) and account for significant yield loss. Different concentrations of Hx (0.01, 0.05, 0.1, 0.15, 0.2 %, w/v) were tested against FOL and the maximum mycelial growth inhibition of 65.7 % was recorded in 0.2 % against FOL. It suggests that Hx is an antifungal agent and its application control vascular wilt disease on tomato crop.

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