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Grain yield of maize (Zea mays L.) has low heritability under low soil nitrogen (low N) and drought, necessitating the use of secondary traits with strong associations with yield forselection. A base index involving anthesis– silking interval, plant and ear aspects, earsper plant, and stay green ...


Badu-Apraku, B.Akinwale, R.Franco, J.Oyekunle, M.[Assessment of reliability of secondary traits in selecting for improved grain yield in drought and lownitrogen environments]Assessment of reliability of secondary traits in selecting for improved grain yield in drought and lownitrogen environments

Maize (Zea mays L.), a major staple food crop in West and Central Africa (WCA), is adapted to all agro-ecologies in the sub-region. Its production in the sub-region is greatly constrained by infestation of Striga hermonthica (Del.) Benth. The performance and stability of the extra-early maturing ...


Akaogu, I.C.Badu-Apraku, B.Adetimirin, V.Vroh Bi, IrieOyekunle, M.Akinwale, R.[Genetic diversity assessment of extraearly maturing yellow maize inbreds and hybrid performance in Strigainfested and Strigafree environments]Genetic diversity assessment of extraearly maturing yellow maize inbreds and hybrid performance in Strigainfested and Strigafree environments

The management of the fall armyworm Spodoptera frugiperda in maize field necessitates the use a big quantities of insecticides and sometimes the use of multiple types and formulations of chemicals. The use of insecticides in crops is associated with environmental risks and health hazards to both ...


Togola, A.Meseka, S.K.Menkir, A.Badu-Apraku, B.Boukar, O.Tamo, M.Djouaka, R.[Measurement of pesticide residues from chemical control of the invasive Spodoptera frugiperda (Lepidoptera: Noctuidae) in a maize experimental field in Mokwa, Nigeria]Measurement of pesticide residues from chemical control of the invasive Spodoptera frugiperda (Lepidoptera: Noctuidae) in a maize experimental field in Mokwa, Nigeria

A major problem that usually confronts the breeder is ensuring that there is sufficient genetic variability in a population for the trait being improved because this determines the breeding schemes to use for improvement and whether or not sufficient progress could be made. Three hundred full-sib...


Badu-Apraku, B.Menkir, A.Lum, F.[Genetic variability for grain yield and components in an early tropical yellow maize population under Striga hermonthica infestation]Genetic variability for grain yield and components in an early tropical yellow maize population under Striga hermonthica infestation

Separation of inbred lines of maize (Zea mays L.) into contrasting heterotic groups is of critical importance in determining the potential of lines for the development of high-yielding hybrids. Forty-two Striga resistant, early maturing white endosperm inbred lines were crossed to two intermediat...


Agbaje, S.Badu-Apraku, B.Fakorede, M.A.B.[Heterotic patterns of early maturing maize inbred lines in Strigafree and Strigainfested environments]Heterotic patterns of early maturing maize inbred lines in Strigafree and Strigainfested environments

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