@TECHREPORT {MAGANI:1996, title = {Reaction of cowpea varieties to Alectra vogeli in the northern Guinea Savanna of Nigeria}, author = {Magani, I. E. * and Lagoke, S. * and Emechebe, A. and Singh, B. and Olufajo, O. *}, year = {1996}, type = {Striga Newsletter}, number = {6}, note = {p.14}, }