Abstract
Ginger is an important commercial crop attacked by a number of pathogenic fungi and Fusarium oxysporum f. sp. zingiberi is one among the important fungi. The purpose of the present study was to investigate the in vitro antifungal effect of aqueous extracts of leaf and bark of Pimenta dioica (Linn.) Merill (family: Myrtaceae) and Anacardium occidentale L. (family: Anacardiaceae) against F. oxysporum f. sp. zingi beri recovered from rhizome rot specimen of ginger. Antifungal potential of leaf and bark extracts was determined by poisoned food technique and the inhibitory effect was observed in terms of reduction in colony diameter of the fungus in plates poisoned wi th extracts (10 %) when compared with control plates. The leaf and bark extracts were effective in inhibiting the fungus but to varied extent. Leaf extracts were more inhibitory than bark extracts. Leaf extract and bark extract of P. dioica showed high and least inhibition of the fungus respectively. The antifungal potential could be related to the presence of inhibitory metabolites present in the extracts. Further studies involving field trials are to be carried out.
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