Browsing by Author "Okechukwu, R.U."
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Item Comparative virulence of bacterial blight (Xanthomonas campestris pv. vignicola) isolates and their effect on yield components of cowpea (Vigna unguiculata)(2001) Shoaga, G.A.; Ekpo, E.J.A.; Okechukwu, R.U.Item Reaction of selected cowpea (vigna unguiculata L. walp) breeding lines to xanthornonas compestris pv.(Faculty of Agriculture, University of Ruhuna. Kamburupitiya, 1998) Amusa, N.A.; Okechukwu, R.U.Item Survival of Xanthomonas campestris pv. vignicola in infested soil., cowpea seed and cowpea debris(Faculty of Agriculture University of Ruhuna, 2008) Okechukwu, R.U.; Ekpo, E.J.A.Item Yield depression in cowpea cultivars infected with Xanthomonas campestris pv. vignicola in Sudan savanna of Nigeria(2000) Okechukwu, R.U.; Ekpo, E.J.A.; Florini, D.A.