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Secondary traits can improve precision with which drought or low soil nitrogen (low-N) tolerant maize (Zea mays L.) genotypes are identified, compared to measuring only grain yield under each stress. The objective of this study was to identify secondary traits for indirect selection for yield imp...


Badu-Apraku, B.Akinwale, R.O.Ajala, S.O.Menkir, A.Fakorede, M.A.B.Oyekunle, M.[Relationships among traits of tropical early maize cultivars in contrasting environments]Relationships among traits of tropical early maize cultivars in contrasting environments

The GGE biplot tool has potential for determining combining ability effects, identifying distinct heterotic groups and efficient testers in a line × tester study. However, its use for such analysis has not been adequately explored. The objectives of this study were to (i) assess combining ability...


Badu-Apraku, B.Akinwale, R.O.[Biplot analysis of line X tester data of maize (Zea mays L.) inbred lines under stress and nonstress environments]Biplot analysis of line X tester data of maize (Zea mays L.) inbred lines under stress and nonstress 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

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

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