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Appropriate testers are needed as well as information on heterotic patterns of tropical lowland early-maturing germplasm. Diallel crosses involving nine tropical early maturing maize (Zea mays L.) inbreds were evaluated at five locations in Nigeria from 2007 to 2009 under drought stress, when Str...


Badu-Apraku, B.Fontem, Lum. A.Akinwale, R.Oyekunle, M.[Biplot analysis of diallel crosses of early maturing tropical yellow maize inbreds in stress and nonstress environments]Biplot analysis of diallel crosses of early maturing tropical yellow maize inbreds in stress and nonstress environments

Maize (Zea mays L.) is an important staple food crop in West and Central Africa(WCA). However, its production is constrained by drought. Knowledge andunderstanding of the genetics of hybrid performance under drought is invaluablein designing breeding strategies for improving maize yield. One hund...


Oyekunle, M.Badu-Apraku, B.[Genetic analysis of grain yield and other traits of early maturing maize inbreds under drought and wellwatered conditions]Genetic analysis of grain yield and other traits of early maturing maize inbreds under drought and wellwatered conditions

Drought is a major constraint to maize production in West and Central Africa (WCA). Assessment of genetic gain from S1 recurrent selection under drought is crucial for the development of drought tolerance breeding strategies. In an early white population, 60 S1 families each derived from the base...


Badu-Apraku, B.Oyekunle, M.Talabi, A.O.Annor, B.Akaogu, I.C.[Changes in genetic variances and heritabilities in an early white maize population following S1 selection for grain yield, Striga resistance and drought tolerance]Changes in genetic variances and heritabilities in an early white maize population following S1 selection for grain yield, Striga resistance and drought tolerance

Studies on genetic gains in grain yield in maize (Zea mays L) is crucial to identify traits of potential value and the necessary modifications in breeding methodologies and strategies for increased progress in future breeding ef-forts. Fifty early-maturing maize cultivars developed during three b...


Badu-Apraku, B.Fakorede, M.A.B.Oyekunle, M.[Agronomic traits associated with genetic gains in maize yield during three breeding eras in West Africa]Agronomic traits associated with genetic gains in maize yield during three breeding eras in West Africa

Hybrid development is enhanced by the assessment and understanding of genetic diversity and distance within inbreds. One hundred and fifty hybrids derived from 30 early-maturing inbreds plus six checks were evaluated at three locations in Nigeria for 2 years to assess their performance under drou...


Oyekunle, M.Badu-Apraku, B.Hearne, S.Franco, J.[Genetic diversity of tropical early-maturing maize inbreds and their performance in hybrid combinations under drought and optimum growing conditions]Genetic diversity of tropical early-maturing maize inbreds and their performance in hybrid combinations under drought and optimum growing conditions

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