O.F. Owolade, A.G.O. Dixon, S.R. Akande and S.A. Olakojo
American Journal of Applied Sciences 6 ( 1 ): 172 - 178 , 2009
E. N. Nukenine, A.T. Hassan, A.G.O. Dixon and C.N. Fokunang
Pakistan Journal of Biological Sciences 5 ( 2 ): 177 - 183 , 2002
C.N. Fokunang and A.G.O. Dixon
Plant Pathology Journal 5 ( 1 ): 60 - 66 , 2006