D. A. Focho1*, E. A. P. Nkeng2, B. A. Fonge3, A. N. Fongod3, C. N. Muh1, T. W. Ndam1 and A. Afegenui1
1Department of Plant Biology, University of Dschang. P. O. Box 67, Dschang, Cameroon.
2Department of Chemistry, University of Dschang, P. O. Box 63, Dschang, Cameroon.
3Department of Plant and Animal Sciences, University of Buea, Cameroon.
