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Badu-Apraku, B.Gedil, M.Fakorede, M.A.B.Akinwale, R.Fasanmade, Y.Annor, B.Talabi, A.O.Oyekunle, M.Akaogu, I.C.Aderounmu, M.[Gene action and heterotic groups of early white quality protein maize inbreds under multiple stress environments]Gene action and heterotic groups of early white quality protein maize inbreds under multiple stress environments

Low soil nitrogen (Low N), Striga hermonthica and recurrent drought are major constraints to maize production and productivity in sub-Saharan Africa (SSA). Only a few extra-early maturing hybrids with combined tolerance to drought, Striga and low N have been commercialized in SSA. The objectives ...


Amegbor, I.K.Badu-Apraku, B.Annor, B.[Combining ability and heterotic patterns of extra-early maturing white maize inbreds with genes from Zea diploperennis under multiple environments]Combining ability and heterotic patterns of extra-early maturing white maize inbreds with genes from Zea diploperennis under multiple environments

Four cycles of S1 family recurrent selection to improve grain yield and resistance to Striga hermonthica have been completed in TZE-Y Pop STR C0. In order to determine whether or not to continue with the recurrent scheme, it was desirable to evaluate the amount of residual genetic variance and as...


Badu-Apraku, B.Akinwale, R.O.Fakorede, M.A.B.Oyekunle, M.Franco, J.[Relative changes in genetic variability and correlations in an earlymaturing maize population during recurrent selection]Relative changes in genetic variability and correlations in an earlymaturing maize population during recurrent selection
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
Badu-Apraku, B.Fakorede, M.A.B.Oyekunle, M.Akinwale, R.[Breeding striga resistant early and extra-early maize hybrids for West African farmers]Breeding striga resistant early and extra-early maize hybrids for West African farmers

Maize (Zea mays L.) production in west Africa (WA) is constrained by drought, Striga hermonthica infestation and low soil nitrogen (N). Maize varieties resistant to Striga, drought, and low N are ideal for WA, but genotype × environment interaction on these traits are usually significant due to d...


Badu-Apraku, B.Menkir, A.Ajala, S.Akinwale, R.Oyekunle, M.Obeng-Antwi, K.[Performance of tropical early maturing maize cultivars in multiple stress environments]Performance of tropical early maturing maize cultivars in multiple stress environments

Two maize (Zea mays L.) populations, TZE-W Pop DT STR C4 (Reg. No. GP-574, PI 654407), white- grained, fl int/dent, and TZE-Y Pop DT STR C4 (Reg. No. GP-575, PI 654408), yellow-grained, fl int/dent with drought tolerance and moderate levels of resistance to the fl owering parasitic witchweed, Str...


Badu-Apraku, B.Yallou, C.G.[Registration of Strigaresistant and Droughttolerant tropical early maize populations TZEW Pop DT STR C4 and TZEY Pop DT STR C4]Registration of Strigaresistant and Droughttolerant tropical early maize populations TZEW Pop DT STR C4 and TZEY Pop DT STR C4

Striga hermonthica (Del.) Benth.is a majorbiotic constraint to increased maize (Zea mays L.) productionand productivity in West and Central Africa (WCA).Twenty-three early maize inbreds were evaluated underartificial Striga infestation and Striga-free conditions at 2locations for 2 years in Niger...


Badu-Apraku, B.Akinwale, R.O.Fakorede, M.A.B.[Selection of early maturing maize inbred lines for hybrid production using multiple traits under Strigainfested and Strigafree environments]Selection of early maturing maize inbred lines for hybrid production using multiple traits under Strigainfested and Strigafree environments

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

Striga and drought are major constraints to maize (Zea mays L.) production in the savannas of west and central Africa (WCA). A study was conducted in 2005 and 2006 in Nigeria to determine the level of resistance to Striga hermonthica for two early-maturing maize populations, one white and one yel...


Badu-Apraku, B.Fakorede, M.A.B.Lum, A.F.[S1 family selection in early maturing maize populations in Striga infested and Striga free environments]S1 family selection in early maturing maize populations in Striga infested and Striga free environments

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