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Identification of outstanding maize (Zea mays L.) hybrids for target environments is complicated by genotype × environment interactions. Thirty-two early-maturity maize hybrids were evaluated at eight locations in Nigeria and six locations in Ghana for 2 yr to (i) identify high-yielding, stable h...


Oyekunle, M.Haruna, A.Badu-Apraku, B.Usman, I.S.Mani, H.Ado, S.G.Olaoye, G.Obeng-Antwi, K.Abdulmalik, R.O.Ahmed, H.O.[Assessment of early-maturing maize hybrids and testing sites using GGE biplot analysis]Assessment of early-maturing maize hybrids and testing sites using GGE biplot analysis

Maize improvement at the International Institute of Tropical Agriculture (IITA), which began in the 1970s, built on the germplasm and experience of earlier years. The main breeding emphasis was to develop maize cultivars and hybrids with high yield potential and durable resistance to diseases and...


Kamara, A.Y.Menkir, A.Fakorede, M.A.B.Ajala, S.O.Badu-Apraku, B.Kureh, I.[Agronomic performance of maize cultivars representing three decades of breeding in the Guinea Savannas of West and Central Africa]Agronomic performance of maize cultivars representing three decades of breeding in the Guinea Savannas of West and Central Africa

Plant architecture and N fertilizer may limit the performance of intercropped maize (Zea mays L.) and cowpea [Vigna unguiculata (L.) Walpers] cultivars. This paper describes an experiment in which cultivars of maize and cowpea were intercropped and fertilized with varying rates of N. The cowpea c...


Ezumah, H.C.Nam, N.K.Walker, P.[Maize-cowpea intercropping as affected by nitrogen fertilization]Maize-cowpea intercropping as affected by nitrogen fertilization

Multi-environment trials (METs) in West Africa have demonstrated the existence of genotype×environment interactions (G×E), which complicate the selection of superior cultivars and the best testing sites for identifying superior and stable genotypes. Two powerful statistical tools available for ME...


Badu-Apraku, B.Oyekunle, M.Obeng-Antwi, K.Osuman, A.S.Ado, S.G.Coulibaly, N.Yallou, C.G.Abdulai, M.S.Boakyewaa, G.A.Didjeira, A.[Performance of extraearly maize cultivars based on GGE biplot and AMMI analysis]Performance of extraearly maize cultivars based on GGE biplot and AMMI analysis

Drought occurrence and striga hermonthica (Del.) Benth infestation are formidable maize (Zea mays L.) production constriants in the savanna zones of West and Central Africa (WCA). The West and Central Africa collaborative Maize Research Network (WECAMAN), in collaboration with the International I...


Badu-Apraku, B.Fakorede, M.A.B.Menkir, A.Kamara, A.Y.Akanvou, L.Chabi, Y.[Response of early maturing maize to multiplestresses in the Guinea savanna of West and Central Africa]Response of early maturing maize to multiplestresses in the Guinea savanna of West and Central Africa

Ear-rot-causing fungi, including Aspergillus and Fusarium spp., are common in maize in West and Central Africa. These fungi contaminate maize with mycotoxins that pose serious potential health hazards to humans in these areas. A collaborative germplasm screening project was initiated between the ...


Menkir, A.Brown, R.L.Bandyopadhyay, RanajitChen, Z.Y.Cleveland, T.E.[Breeding maize for resistance to mycotoxins at IITA]Breeding maize for resistance to mycotoxins at IITA
Autor: Mkoma, A.

Estimating crop response to fertilizer application and identification of effective fertilizer materials is important for plant nutrient management and in sustaining soil fertility. Unlike other agro-ecological zones, no fertilizer recommendations have been established for the semi-arid zones in T...


Mkoma, A.[Response of maize to phosphorus in sole maize and maize-pigeonpea cropping system in semi-arid areas of Tanzania]Response of maize to phosphorus in sole maize and maize-pigeonpea cropping system in semi-arid areas of Tanzania

Dejene, N.[Assessment of production and marketing systems, and on-farm evaluation of the effect of supplementation with Balanites aegyptica and maize grain on fattening performance and economic return of indigenous goats in Gamogofa zone.]Assessment of production and marketing systems, and on-farm evaluation of the effect of supplementation with Balanites aegyptica and maize grain on fattening performance and economic return of indigenous goats in Gamogofa zone.

Lubobo, AKChirwa, Rowland[Role of regional networks in accelerating NARS to identify client-oriented bean varieties : the case of Southern DR Congo]Role of regional networks in accelerating NARS to identify client-oriented bean varieties : the case of Southern DR Congo

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