@ARTICLE {JACKAI:1982, title = {A field screening technique for resistance of cowpea (Vigna unguiculata) to the pod borer, Maruca testulalis (Geyer) (Lepidoptera: pyralidae)}, author = {Jackai, L. }, journal = {Bulletin of Entomological Research}, year = {1982}, volume = {72}, pages = {145--156}, }