Fungicidal activity of Prosopis africana and Anogeissus leiocarpus aqueous extracts against leaf blight of Jatropha curcas L
2012
Zarafi, A.B. | Ayuba, I.S.
A laboratory experiment was conducted to determine the efficacies of leaf and bark aqueous extracts of two plants (Prosopis africana and Anogeissus leiocarpus) at three concentrations (50%, 100% and 150%) on Curvularia sp. isolated from Jatropha curcas L. The fungicidal potentials of the extracts were established by their inhibitory effect on the mycelial growth, sporulation and reduction of spore size of Curvularia sp. The extract of Prosopis bark gave the highest inhibitory effect followed by Anogeissus bark, Prosopis leaf and then Anogeissus leaf. Leaf and bark extracts of P. africana and A. leiocarpus compared significantly better than untreated control. The bark extracts especially of P. africana did not differ significantly from a standard check (Bentex-T, 20% Benomyl + 20% Thiram).
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