@ARTICLE {AMUSA:2007, title = {Reactions of cowpea to infection by Macrophomina phaseolina isolates from leguminous plants in Nigeria}, author = {Amusa, N. A. and Okechukwu, R. and Akinfenwa, B. }, journal = {African Journal of Agricultural Research}, year = {2007}, volume = {2}, number = {3}, pages = {073--075}, }