Research Article
Genetic Study of Earliness in Cowpea (Vigna unguiculata L. Walp) Under Screen House Condition
Department of Plant Science, Faculty of Agriculture, Ahmadu Bello University, P.M.B. 1044, zaria, Nigeria
M. F. Ishiyaku
Department of Plant Science, Institute for Agricultural Research: Ahmadu Bello University, P.M.B. 1044, Zaria, Nigeria