Effects of Plant Extracts and Plant Density on the Severity of Leafspot Disease of Groundnut (Cercospora arachidicola. Hori) in Imo State

G. O. Ihejirika, M. I. Nwufo, C. I. Duruigbo, E. U. Onwerenadu, O. P. Obilo, E. R. Onuoha and K. O. Ogbede

Journal of Plant Sciences 1 ( 4 ): 374 - 377 , 2006