Gumedzoe, M.Y.2007-11-121985-04-012007-11-121985http://hdl.handle.net/10625/6930ThesisThesis, Université Laval, 1985Text1 digital file (117 p.)application/pdfenCOWPEASPLANT DISEASESDISEASE RESISTANCENIGERIARESEARCH METHODSRESEARCH RESULTSStudies of variability of the cowpea aphid borne mosaic virus (Cabmv) complex in NigeriaThesis