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The need to evaluate the effects of packaging materials and storage conditions on the degradation of xanthophylls in yellow maize ogi powder is important due to its health implication. Ogi powder was packaged in high-density polyethylene bag (HDPE), polypropylene woven sack (PP), and polyvinyl ch...


Awoyale, W.Maziya-Dixon, B.B.Alamu, E.O.Menkir, A.[Effect of packaging materials and storage conditions on the degradation of xanthophylls in yellow-maize ogi powder]Effect of packaging materials and storage conditions on the degradation of xanthophylls in yellow-maize ogi powder

During the past 45 years, the genetic improvement programs of IITA and its partners have made spectacular progress in developing high-yielding crop varieties that offered best-bet solutions to major production constraints, such as, cassava mosaic, maize streak, Striga, soybean rust, insect pests,...


Ajala, S.Badu-Apraku, B.Menkir, A.[Maize genetic improvement for enhanced productivity gains in West and Central Africa]Maize genetic improvement for enhanced productivity gains in West and Central Africa

Host resistance is the most widely explored strategy for eliminating aflatoxin contamination by Aspergillus flavus. Breeding strategies for developing resistant corn germplasm have been enhanced by the development of new screening tools for field inoculation and for laboratory screening. RFLP ana...


Brown, R.L.Zhi-Yuan, C.Menkir, A.Cleveland, T.E.[Using biotechnology to enhance host resistance to aflatoxin contaminiation of corn]Using biotechnology to enhance host resistance to aflatoxin contaminiation of corn

The development of hybrids with enhanced expression of heterosis depends on the genetic background of the source population and the effectiveness of a breeding scheme used to identify and use divergent inbred lines with good combining ability. The present study was conducted to examine the potent...


Menkir, A.Kling, J.G.Anjorin, B.Ladejobi, F.Gedil, M.[Evaluating testcross performance and genetic divergence of lines derived from reciprocal tropical maize composites]Evaluating testcross performance and genetic divergence of lines derived from reciprocal tropical maize composites

Striga hermonthica is a widespread parasitic weed species that can causeconsiderable yield loss in susceptible maize cultivars in West and CentralAfrica. To use low doses of imidazolinone herbicides for controlling thisparasite, maize cultivars should possess resistance to this group ofherbicides...


Menkir, A.Chikoye, D.Lum, F.[Incorporating an herbicide resistance gene into tropical maize with inherent polygenic resistance to control Striga hermonthica (Del.) Benth]Incorporating an herbicide resistance gene into tropical maize with inherent polygenic resistance to control Striga hermonthica (Del.) Benth

Drought occurs at high frequency in maize production zones in Africa. Carefully controlled moisture deficits have been imposed at anthesis and grain filling stages of maize to develop drought tolerant germplasm. The present study was conducted to examine the potential effects of drought tolerant ...


Menkir, A.Crossa, J.Meseka, S.K.Bossey, B.Ado, S.G.Obeng-Antwi, K.Yallou, C.Coulibaly, N.Olaoye, G.Alidu, H.[Comparative performance of top-cross maize hybrids under managed drought stress and variable rainfed environments]Comparative performance of top-cross maize hybrids under managed drought stress and variable rainfed environments

The West and Central Africa Collaborative Maize Research Network (WECAMAN) was established in 1987 to strengthen the capacity and capability of national programmes of West and Central Africa (WCA) to tackle regional constraints to maize production. The Network created several mechanisms for imple...


Badu-Apraku, B.Fakorede, M.A.B.Menkir, A.Marfo, K.Akanvou, L.[Enhancing the capacity of national scientists to generate and transfer maize technology in West and Central Africa: research implementation, monitoring and evaluation]Enhancing the capacity of national scientists to generate and transfer maize technology in West and Central Africa: research implementation, monitoring and evaluation

Eighteen S1 lines of maize (Zea mays L.) derived from a low nitrogen tolerant pool and two inbred lines were evaluated for agronomic performance under moderate N conditions in the southern Guinea savannah of Nigeria. Generally, the breeding lines differed in yield, growth, vertical rootpulling re...


Kamara, A.Y.Kling, J.G.Menkir, A.Ibikunle, O.[Agronomic performance of maize (Zea mays L.) breeding lines derived from a low nitrogen maize population]Agronomic performance of maize (Zea mays L.) breeding lines derived from a low nitrogen maize population

The risk of drought is high in the Sudan savannah zone of West and Central Africa because rainfall in this area is unpredictable in quantity and distribution. Thus, improved maize genotypes tolerant to drought could stabilize maize grain yield in this zone, where recurrent drought threatens grain...


Kamara, A.Y.Menkir, A.Badu-Apraku, B.Ibikunle, O.[The influence of drought stress on growth, yield, and yield components of some maize genotypes]The influence of drought stress on growth, yield, and yield components of some maize genotypes

Iron deficiency is estimated to affect over one-half the world population. Improving the nutritional quality of staple food crops through breeding for high bioavailable iron represents a sustainable and cost effective approach to alleviating iron malnutrition. Forty-nine late maturing tropical el...


Oikeh, S.O.Menkir, A.Maziya-Dixon, B.B.Welch, R.Glahn, Raymond P.[Genotypic differences in concentration and bioavailability of kerneliron in tropical maize varieties grown under field conditions]Genotypic differences in concentration and bioavailability of kerneliron in tropical maize varieties grown under field conditions

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