G. Essono2*, M. Ayodele1, A. Akoa2, J. Foko3,4, S. Olembo5, and J. Gockowski6
1International Institute of Tropical Agriculture, Ibadan, Oyo State
2The University of Yaoundé I, Faculty of Science, Department of Plant Biology, Yaoundé-Cameroon.
3University of Dschang, Faculty of Agriculture and Agricultural Sciences, Department of Plant Protection, Dschang-Cameroon.
4African Center for Research and Phytosanitary Training, ACRPT, Dschang, Cameroon.
5Commission of the African Union, Addis-Ababa, Ethiopia.
6Jim Gockowski, International Institute of Tropical Agriculture, Ghana Station.
