Application of phenolic compounds has been an effective management strategy on account of unavailability of suitable disease-resistant cultivars for commercial use. The antifungal effect of phenolic compounds viz.salicylic acid, phenol and benzoic acid was determined by in vitro study. It was found that salicylic acid at 0.1% and phenol at 0.15% concentration completely (100%) checks the growth of Fusarium udum while benzoic acid at 0.15% concentration reduced the growth to 98.52% respectively (at p<0.01). In case of F. oxysporum f. sp.ciceri the reduction in growth has been found to be 98.70, 98.52 and 95% at 0.15% concentration of salicylic acid, phenol and benzoic acid, respectively (at p<0.01) and quantitative structure activity relationship indicating regression (r2) values is in the range of 0.710 to 0.999, indicating good regression data fit. Salicylic acid and phenol were effective at higher concentration only while benzoic acid were effective at all respective concentration.
Key words: Antifungal, phenolic compound, growth, reduction.
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