@ARTICLE {OGHIAKHE:1992a, title = {Podwall toughness has no effect on cowpea resistance to the legume pod borer}, author = {Oghiakhe, S. and Jackai, L. and Makanjuola, W. A. }, journal = {Insect Science and its Application}, year = {1992}, volume = {13}, pages = {345--349}, }