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Badu-Apraku, B.Yallou, C.Oyekunle, M.Akinwale, R.Aweke, G.Kamara, A.[Consistency of performance of early-maturing maize cultivars in Striga infested and Striga-free environments]Consistency of performance of early-maturing maize cultivars in Striga infested and Striga-free environments

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

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

Landraces of maize (Zea mays L.) are invaluable sources of genetic variability for improving agronomic traits, and they hold great promise in developing new maize varieties with enhanced resilience to stresses. Even though phenotypic characterization is an inexpensive approach for elucidating var...


Nelimor, C.Badu-Apraku, B.Nguetta, S.P.Tetteh, A.Y.García Oliveira, A.L.[Phenotypic characterization of maize landraces from Sahel and Coastal west Africa reveals marked diversity and potential for genetic improvement]Phenotypic characterization of maize landraces from Sahel and Coastal west Africa reveals marked diversity and potential for genetic improvement

Maize (Zea mays L.), an important staple crop in West and Central Africa (WCA), has enormous potential to reduce food insecurity in this subregion. Research covering three periods or eras of breeding has been conducted to develop cultivars resistant/tolerant to three maize stress factors: Striga ...


Badu-Apraku, B.Fakorede, M.A.B.Oyekunle, M.Yallou, G.C.Obeng-Antwi, K.Haruna, A.Usman, I.Akinwale, R.[Gains in grain yield of early maize cultivars developed during three breeding eras under multiple environments]Gains in grain yield of early maize cultivars developed during three breeding eras under multiple environments

Maize (Zea mays L.) is the most important staple crop in West and Central Africa (WCA), but its production is severely constrained by low soil nitrogen (low N). Fifty-six extra-early open-pollinated maize cultivars developed during three breeding eras, 1995–2000, 2001–2006 and 2007–2012, were eva...


Badu-Apraku, B.Fakorede, M.A.B.Annor, B.Talabi, A.O.[Improvement in grain yield and low-nitrogen tolerance in maize cultivars of there eras]Improvement in grain yield and low-nitrogen tolerance in maize cultivars of there eras
Badu-Apraku, B.Fakorede, M.A.B.Oyekunle, M.Akinwale, R.[Genetic gains in grain yield under nitrogen stress following three decades of breeding for drought tolerance and Striga resistance in early maturing maize]Genetic gains in grain yield under nitrogen stress following three decades of breeding for drought tolerance and Striga resistance in early maturing maize

Maize (Zea mays L.) cultivars combining high grain yield with elevated levels of lysine, tryptophan, and desirable endosperm modification, could reduce food insecurity and malnutrition in West and Central Africa (WCA). Sixteen early- and nine extra-early-maturing quality protein maize (QPM) and n...


Badu-Apraku, B.Lum, A.F.[The pattern of grain yield response of normal and quality protein maize cultivars in stress and nonstress environments and nonstress environments]The pattern of grain yield response of normal and quality protein maize cultivars in stress and nonstress environments and nonstress environments

Maize (Zea mays L.) production in west and central Africa (WCA) is constrained by the parasitic weed Striga hermonthica (Del.) Benth and recurrent drought. Two early maize populations, TZE-W Pop DT STR C0 (white) and TZE-Y Pop DT STR C0 (yellow), developed from diverse genetic backgrounds, were s...


Badu-Apraku, B.Lum, A.F.Fakorede, M.A.B.Menkir, A.Chabi, Y.The, C.Abdulai, M.Jacob, S.Agbaje, S.[Performance of early maize cultivars derived from recurrent selection for grain yield and Striga resistance]Performance of early maize cultivars derived from recurrent selection for grain yield and Striga resistance

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