Amusa, N.A.; Okechukwu, R.U.
(Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-10-15)
Disease pressure in a cowpea screening field in Kano, a Sudan Savanna region of Nigeria, was increased by
early planting of spreader lines of cowpea varieties susceptible to bacterial blight incited by Xanthomonas
vignicola. ...