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Cassava, Manihot esculenta, is one of the major food crops in sub-Saharan Africa (SSA) providing the bulk of dietary calories to hundreds of millions of households. Two viral diseases, namely cassava mosaic disease (CMD) and cassava brown streak disease (CBSD) pose a serious threat to cassava pro...


Gedil, M.Kumar, M.Igwe, D.[Isolation and characterization of resistant gene analogs in cassava, wild Manihot species, and castor bean (Ricinus communis)]Isolation and characterization of resistant gene analogs in cassava, wild Manihot species, and castor bean (Ricinus communis)

Distinguishing yam species based on morphological traits is extremely difficult and unreliable, posing a challenge to breeders and genebank curators. Development of a molecular assay based on DNA barcoding can facilitate rapid and accurate identification of important Dioscorea species. To develop...


Girma, G.Spillane, CharlesGedil, M.[DNA barcoding of the main cultivated yams and selected wild species in the genus Dioscorea]DNA barcoding of the main cultivated yams and selected wild species in the genus Dioscorea

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

Cassava (Manihot esculenta L.) is one of the most important food crops in the tropics, but yields are far below their potential. The gene pool of cassava contains natural genetic diversity relevant to many important breeding goals, but breeding progress has been slow, partly because of insuf-fici...


Rabbi, Ismail Y.Hamblin, M.Gedil, M.Kulakow, P.A.Ferguson, M.Ikpan, A.Ly, D.Jannink, Jean-Luc[Genetic mapping using genotypingbysequencing in the clonally propagated cassava]Genetic mapping using genotypingbysequencing in the clonally propagated cassava

Two major constraintsmilitatingagainst the achievement of food security in West Africa (WA) are recurrent drought and poor soil fertility. Seventeen early maturing maize inbreds from IITA and CIMMYT were used as parents to produce 136 diallel crosses which were evaluated along with four checks in...


Badu-Apraku, B.Fakorede, M.A.B.Gedil, M.Talabi, A.O.Annor, B.Oyekunle, M.Akinwale, R.Fasanmade, Y.Akaogu, I.C.Aderounmu, M.[Heterotic responses among crosses of IITA and CIMMYT early white maize inbred lines under multiple stress environments]Heterotic responses among crosses of IITA and CIMMYT early white maize inbred lines under multiple stress environments

Striga hermonthica is a parasitic weed that poses a serious threat to the production of economically important cereals in sub-Saharan Africa. The existence of genetic diversity within and between S. hermonthica populations presents a challenge to the successful development and deployment of effec...


Unachukwu, N.N.Menkir, A.Rabbi, Ismail Y.Oluoch, M.Muranaka, S.Elzein, A.Odhiambo, G.Farombi, E.O.Gedil, M.[Genetic diversity and population structure of Striga hermonthica populations from Kenya and Nigeria]Genetic diversity and population structure of Striga hermonthica populations from Kenya and Nigeria

Maize is a staple food crop for many people in Africa where millions of children, pregnant women and nursing mothers suffer from vitamin A deficiency. The β-carotene found in yellow maize can be used as a primary source of provitamin A. Several tropical yellow endosperm maize inbred lines with va...


Adeyemo, O. SarahMenkir, A.Gedil, M.Omidiji, O.[Carotenoid and molecular markerbased diversity assessment in tropical yellow endosperm maize inbred lines]Carotenoid and molecular markerbased diversity assessment in tropical yellow endosperm maize inbred lines

In a bid to fast-track the process of selection of cassava (Manihot esculenta Crantz) genotypes resistant to the cassava mosaic disease (CMD), caused by whitefly-transmitted begomoviruses, a number of molecular markers have been developed to map resistance genes. The simple sequence repeat (SSR) ...


Gedil, M.Otti, G.Enok, L.Kumar, L.[Development and validation of genomic tools for marker-assisted breeding of cassava mosaic disease resistance in cassava (Manihot esculenta)]Development and validation of genomic tools for marker-assisted breeding of cassava mosaic disease resistance in cassava (Manihot esculenta)

Discovery of single nucleotide polymorphisms, (SNPs) as a tool in marker-assisted breeding of cassava, Manihot esculenta was studied. The principal objective of this study is to discover single nucleotide polymorphisms (SNPs) in some panels of elite lines (ELs) of cassava and in some mapping popu...


Gedil, M.Igwe, D.[Discovery of Single Nucleotide Polymorphisms (SNPs) as a tool for markerassisted breeding of cassava, Manihot esculenta]Discovery of Single Nucleotide Polymorphisms (SNPs) as a tool for markerassisted breeding of cassava, Manihot esculenta

Before implementation of genomic selection, evaluation of the potential accuracy of prediction can be obtained by cross-validation. In this procedure, a population with both phenotypes and genotypes is split into training and validation sets. The prediction model is fitted using the training set,...


Ly, D.Hamblin, M.Rabbi, Ismail Y.Gedil, M.Bakare, M.A.Gauch Jr. H.Okechukwu, R.U.Dixon, A.Kulakow, P.A.Jannink, Jean-Luc[Relatedness and genotype x environment interaction affect prediction accuracies in genomic selection: a study in cassava]Relatedness and genotype x environment interaction affect prediction accuracies in genomic selection: a study in cassava

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