African Journal of Biotechnology

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Efficacy of certain plant extracts against seed-borne infection of Collectotrichum destructivum on cowpea (Vigna uniguculata)

OA Akinbode, T Ikotun


Aqueous extracts of leaves of Moringa oleifera Lam, Vernonia amygdalina and Annona muricata were evaluated for the control of Collectotrichum  destructivum on seeds of cowpea (Vigna uniguculata). The seeds were soaked in sterile distilled water extract (10, 20 and 30%, w/v) of the leaves for 6, 12 and 18 h. All these plant extracts had significant inhibitory growth effect on the fungal pathogen. M. oleifera extract was more effective than other plant extracts and compared favorably with benomyl in the
control of the pathogen.

AJOL African Journals Online