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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 (Zea mays L.) is a major staple crop in West Africa and has the potential to mitigate the food insecurity in the subregion. However, maize grain yield is severely constrained by drought. A study was conducted at 13 locations in West Africa for 2 yr to determine genetic gains in yield of cul...


Badu-Apraku, B.Oyekunle, M.Menkir, A.Obeng-Antwi, K.Yallou, C.Usman, I.Alidu, H.[Comparative performance of early maturing maize cultivars developed in three Eras under drought stress and wellwatered environments in West Africa]Comparative performance of early maturing maize cultivars developed in three Eras under drought stress and wellwatered environments in West Africa

Maize is one of the most important food crops in Ghana even though its production has not reached self sufficiency levels. Drought and striga infestation are among the most important production constraints of maize in Ghana. Promising high yielding, drought and striga tolerant maize varieties are...


Etwire, M.Abdoulaye, TahirouObeng-Antwi, K.Bua, A.Kanton, R.Asumadu, H.Abdulai, M.S.Haruna, A.Etwire, J.[Onfarm evaluation of maize varieties in the transitional and savannah zones of Ghana: determinants of farmer preferences]Onfarm evaluation of maize varieties in the transitional and savannah zones of Ghana: determinants of farmer preferences

Availability of extra-early maize cultivars has facilitated the expansion of maize production into savannas of West and Central Africa (WCA). Fifty-six extra-early maize cultivars of three breeding eras;1995 to 2000, 2001 to 2006, and 2007 to 2012 were evaluated for 2 yr under 24 multiple-stress ...


Badu-Apraku, B.Yallou, C.G.Obeng-Antwi, K.Alidu, H.Talabi, A.O.Annor, B.Oyekunle, M.Akaogu, I.C.Aderounmu, M.[Yield gains in extra-early maize cultivars of three breeding eras under multiple environments]Yield gains in extra-early maize cultivars of three breeding eras under multiple environments

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