Instituto Internacional de Agricultura Tropical (IITA)
URI permanente para esta colecciónhttp://hdl.handle.net/123456789/114560
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Ítem Seed to plant transmission of Xanthomonas campestris pv. vignicola isolates in cowpeaOkechukwu, R.U.; Ekpo, E.J.A.; Okechukwu, O.C.Ítem Genetic gain in yield and agronomic characteristics of cowpea cultivars developed in the Sudan savannas of Nigeria over the past three decades(Wiley) Kamara, A.Y.; Tefera, H.; Ewansiha, S.U.; Ajeigbe, Hakeem A.; Okechukwu, R.U.; Boukar, O.; Omoigui, L.O.Ítem Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades(International Institute of Tropical Agriculture) Kamara, A.Y.; Ewansiha, S.U.; Ajeigbe, Hakeem A.; Okechukwu, R.U.; Tefera, H.; Boukar, O.; Omoigui, L.O.Ítem Survival of Xanthomonas campestris pv. vignicola in infested soil, cowpea seed and cowpea debris(Sri Lanka Journals Online) Okechukwu, R.U.; Ekpo, E.Ítem Sources of resistance to cowpea bacterial blight disease in Nigeria(Wiley) Okechukwu, R.U.; Ekpo, E.J.