@ARTICLE {TWUMASI:1990, title = {Occurrence of some cowpea diseases and the evaluation of resistance of selected cowpea lines to brown blotch disease in the forest ecology of Ghana}, author = {Twumasi, J. K. and Hossain, M. A. and Fenteng, P. K. }, journal = {Tropical Grain Legume Bulletin}, year = {1990}, volume = {36}, pages = {7--9}, }