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Maize production in West and Central Africa (WCA) is constrained by a wide range of interacting stresses that keep productivity below potential yields. Among the many problems afflicting maize production in WCA, drought, foliar diseases, and parasitic weeds are the most critical. Several decades ...


Gedil, M.Menkir, A.[An integrated molecular and conventional breeding scheme for enhancing genetic gain in maize in Africa]An integrated molecular and conventional breeding scheme for enhancing genetic gain in maize in Africa

Cassava mosaic disease (CMD), caused by different species of cassava mosaic geminiviruses (CMGs), is themost important disease of cassava in Africa and the Indian sub-continent. The cultivated cassava speciesis protected from CMD by polygenic resistance introgressed from the wild species Manihot ...


Rabbi, Ismail Y.Hamblin, M.Kumar, P.L.Gedil, M.Ikpan, A.Jannink, Jean-LucKulakow, P.A.[High-resolution mapping of resistance to cassava mosaic geminiviruses in cassava using genotypingbysequencing and its implications for breeding]High-resolution mapping of resistance to cassava mosaic geminiviruses in cassava using genotypingbysequencing and its implications for breeding

Marker-assisted recurrent selection (MARS) is a breeding method used to accumulate favorable alleles that for example confer tolerance to drought in inbred lines from several genomic regions within a single population. A bi-parental cross formed from two parents that combine resistance to Striga ...


Abdulmalik, R.O.Menkir, A.Meseka, S.K.Unachukwu, N.N.Ado, S.G.Olarewaju, J.D.Aba, D.A.Hearne, S.Crossa, J.Gedil, M.[Genetic gains in grain yield of a maize population improved through marker assisted recurrent selection under stress and non-stress conditions in west Africa]Genetic gains in grain yield of a maize population improved through marker assisted recurrent selection under stress and non-stress conditions in west Africa

The objective of marker assisted recurrent selection (MARS) is to increase the frequency of favorable marker alleles in a population before inbred line extraction. This approach was used to improve drought tolerance and grain yield (GY) in a biparental cross of two elite drought tolerant lines. T...


Bankole, F.Menkir, A.Olaoye, G.Crossa, J.Hearne, S.Unachukwu, N.N.Gedil, M.[Genetic gains in yield and yield related traits under drought stress and favorable environments in a maize population improved using marker assisted recurrent selection]Genetic gains in yield and yield related traits under drought stress and favorable environments in a maize population improved using marker assisted recurrent selection

Striga hermonthica and drought are the major stresses limiting maize yields in sub-Saharan Africa. The search for diverse maize lines’ tolerance to drought and resistance to S. hermonthica (DTSTHR) is very crucial for yield improvement in areas affected by the two stresses. Understanding the gene...


Mengesha, W.Menkir, A.Unachukwu, N.N.Meseka, S.K.Farinola, A.Girma Tessema, G.Gedil, M.[Genetic diversity of tropical maize inbred lines combining resistance to Striga hermonthica with drought tolerance using SNP markers]Genetic diversity of tropical maize inbred lines combining resistance to Striga hermonthica with drought tolerance using SNP markers

Gedil, M.Tripathi, L.Ghislain, M.Ferguson, M.Ndjiondjop, Marie-NoelKumar, L.Raatz, BodoBecerra López Lavelle, Luis AugustoBhattacharjee, R.Semagn, K.Ribaut, JM[Biotechnology success stories by the Consultative Group on International Agriculture Research (CGIAR) system]Biotechnology success stories by the Consultative Group on International Agriculture Research (CGIAR) system

In the last 45 years, IITA has played a pivotal role in the genetic improvement of cassava for resourcepoor farmers in sub-Saharan Africa (SSA). More than 400 varieties have been developed that are not only high yielding but also resistant to diseases and pests. Many of these improved varieties h...


Rabbi, Ismail Y.Gedil, M.Ferguson, M.Kulakow, P.A.[Cassava improvement in the era of "agrigenomics": the road to nextgeneration breeding.]Cassava improvement in the era of "agrigenomics": the road to nextgeneration breeding.

Yam (Dioscorea spp.), a multispecies, polyploidy, and vegetatively propagated crop, is an economically important staple food for more than 300 million people in West Africa, Asia, Oceania, and the Caribbean. The five major yam-producing countries in West Africa (Bénin, Côte d’Ivoire, Ghana, Niger...


Gedil, M.Bhattacharjee, R.López Montes, A.[Genomics for transforming yam breeding]Genomics for transforming yam breeding

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