Insect pests are major constraint to cowpea production in northern Nigeria causing yield losses up to 70%. Several cowpea varieties have been developed and delivered to farmers by IITA over the past four decades. These varieties have varying degrees of resistance to insect pest attacks. A field s...
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https://cgspace.cgiar.org/handle/10568/79816
Kamara, A.
,
Ewansiha, S.U.
,
Ajeigbe, Hakeem A.
,
Omoigui, L.O.
,
[Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria]
,
Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria
