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Early-maturing provitamin A (PVA) quality protein maize (QPM) hybrids with combined drought and low soil nitrogen (low-N) tolerance are needed to address malnutrition and food security problems in sub-Saharan Africa (SSA). The current study's objectives were to (i) examine combining ability of se...


Obeng-Bio, E.Badu-Apraku, B.Ifie, B.E.Danquah, A.Blay, E.T.Annor, B.[Genetic analysis of grain yield and agronomic traits of early provitamin A quality protein maize inbred lines in contrasting environments]Genetic analysis of grain yield and agronomic traits of early provitamin A quality protein maize inbred lines in contrasting environments

Twenty-five cowpea (Vigna unguiculata L) genotypes were evaluated across six contrasting environments for phenotypic yield stability. Combined analysis of variance revealed significant differences among the genotypes and the main effects. A1B×D, BC×M, L1B×M, A1B×M, and BA×I were the best performi...


Ngalamu, T.Meseka, S.Ifie, B.E.Ofori, K.Eleblu, J.S.Y.[Analysis of phenotypic stability in 25 cowpea genotypes across six environments]Analysis of phenotypic stability in 25 cowpea genotypes across six environments

Breeding maize (Zea mays L.) hybrids resistant to Striga and tolerant to low soil nitrogen (low-N) will reduce grain yield losses due to stresses in West Africa (WA). Studies were conducted to determine if selection for Striga resistance and/or drought tolerance in early-maturing maize population...


Ifie, B.E.Badu-Apraku, B.Gracen, V.E.Danquah, E.Y.[Genetic analysis of gain yield of IITA and CIMMYT earlymaturing maize inbreds under Strigainfested and lowsoil nitrogen environments]Genetic analysis of gain yield of IITA and CIMMYT earlymaturing maize inbreds under Strigainfested and lowsoil nitrogen environments

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