Striga hermonthica is a major constraint to maize (Zea mays L.) production in sub-Saharan Africa. The use of secondary traits that have high heritability and genetic correlation with grain yield can improve the precision with which Striga resistant genotypes are identified. Fifteen early cultivar...
Badu-Apraku, B.
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Akinwale, R.
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[Cultivar evaluation and trait analysis of tropical early maturing maize under Strigainfested and Strigafree environments]
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Cultivar evaluation and trait analysis of tropical early maturing maize under Strigainfested and Strigafree environments
Maize (Zea mays L.) is an important staple food consumed by people with varying food preferences and socioeconomic backgrounds in West Africa (WA). Genotype by environment interactions (G×E) exist in WA implying the need for extensive testing of cultivars in multiple environments over years befor...
Badu-Apraku, B.
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Akinwale, R.O.
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Menkir, A.
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Obeng-Antwi, K.
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Osuman, A.S.
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Coulibaly, N.
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Onyibe, J.E.
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Yallou, G.C.
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Abdullai, M.S.
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Didjera, A.
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[Use of GGE biplot for targeting early maturing maize cultivars to mega environments in West Africa]
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Use of GGE biplot for targeting early maturing maize cultivars to mega environments in West Africa
Maize (Zea mays L.) hybrids resistant to Striga hermonthica (Del) Benth and tolerant to drought are vital to the sustainability of productivity of the maize-based farming systems of West and Central Africa (WCA). Thirty-six diallel crosses derived from nine early maturing white maize inbreds were...
Badu-Apraku, B.
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Oyekunle, M.
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Akinwale, R.O.
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Lum, A.F.
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[Combining ability of earlymaturing white maize inbreds under stress and nonstress environments]
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Combining ability of earlymaturing white maize inbreds under stress and nonstress environments
Vitamin A deficiency, drought, low soil nitrogen (low N) and Striga hermonthica parasitism of maize (Zea mays L.) cause malnutrition and food insecurity in sub-Saharan Africa. The objectives of this study were to determine combining abilities of extra-early provitamin A (PVA) lines, classify them...
Badu-Apraku, B.
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Fakorede, M.A.B.
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Talabi, A.O.
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Oyekunle, M.
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Aderounmu, M.
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Lum, A.F.
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Ribeiro, P.F.
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Adu, G.B.
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Toyinbo, J.O.
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[Genetic studies of extra-early provitamin-A maize inbred lines and their hybrids in multiple environments]
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Genetic studies of extra-early provitamin-A maize inbred lines and their hybrids in multiple environments
The parasitic witchweed, Striga hermonthica (Del.) Benth, is the greatest biological constraint for cereal crop production by resource-poor farmers in sub-Saharan Africa. Maize, Zea mays L., is a widely grown cereal crop in this region (22 × 106 ha). Striga-resistant maize populations were produc...
Kim, S.K.
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Fajemisin, J.
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Thé, C.
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Adepoju, A.
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Kling, J.
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Badu-Apraku, B.
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Versteeg, M.
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Carsky, R.
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Lagoke, S.T.O.
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[Development of synthetic maize populations for resistance to Striga hermonthica]
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Development of synthetic maize populations for resistance to Striga hermonthica
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.
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Badu-Apraku, B.
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Nguetta, S.P.
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Tetteh, A.Y.
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García Oliveira, A.L.
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[Phenotypic characterization of maize landraces from Sahel and Coastal west Africa reveals marked diversity and potential for genetic improvement]
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Phenotypic characterization of maize landraces from Sahel and Coastal west Africa reveals marked diversity and potential for genetic improvement
Climate change is expected to aggravate the effects of drought, heat and combined drought and heat stresses. An important step in developing ‘climate smart’ maize varieties is to identify germplasm with good levels of tolerance to the abiotic stresses. The primary objective of this study was to i...
Nelimor, C.
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Badu-Apraku, B.
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Tetteh, A.Y.
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N’guetta, A.S.
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[Assessment of genetic diversity for drought, heat and combined drought and heat stress tolerance in early maturing maize landraces]
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Assessment of genetic diversity for drought, heat and combined drought and heat stress tolerance in early maturing maize landraces
Full-sib families derived from Pool 16 DT, a tropical maize ( Zea mays L.) population, were evaluated in the 1995/96 and 1997/98 dry seasons, using two sites each season in Côte d’Ivoire. In all sites, the crop was irrigated from planting to about 2 weeks before anthesis, irrigation was discontin...
Badu-Apraku, B.
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Fakorede, M.A.B.
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Menkir, A.
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Kamara, A.
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Dapaah, S.
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[Screening maize for drought tolerance in the Guinea savanna of West and Central Africa]
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Screening maize for drought tolerance in the Guinea savanna of West and Central Africa
North Carolina Design I (NCD I) progenies derived from Pool 16 DT, a white, dent, early maturing, drought-tolerant and streak resistant tropical maize (Zea mays L.) population, were evaluated in the 1995/96 and 1997/98 dry seasons, using two sites each season in Côte d'Ivoire. In all sites, the c...
Badu-Apraku, B.
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Fakorede, M.A.B.
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Menkir, A.
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Kamara, A.
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Adam, A.
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[Effects of droughtscreening methodology on genetic variances and covariances in Pool 16 DT maize population]
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Effects of droughtscreening methodology on genetic variances and covariances in Pool 16 DT maize population
Maize (Zea mays L.) landraces in the northern Guinea savanna and Sudan savanna in West and Central Africa appear to have some drought-adaptive traits. This study was initiated to assess the level of improvement in yield potential and other agronomic traits achieved under drought stress (DS) and i...
Meseka, S.K.
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Fakorede, M.A.B.
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Ajala, S.
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Badu-Apraku, B.
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Menkir, A.
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[Introgression of alleles from maize landraces to improve drought tolerance in an adapted germplasm]
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Introgression of alleles from maize landraces to improve drought tolerance in an adapted germplasm