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Akinbo, OlalekanLabuschangne, M.Marín, J.Ospina, C.Santos, L.Barrera, E.Gutiérrez, JEwa, F.Okogbenin, Emmanuel[QTL analysis for root protein in a backcross family of cassava derived from Manihot esculenta ssp flabellifolia]QTL analysis for root protein in a backcross family of cassava derived from Manihot esculenta ssp flabellifolia

Cassava (manioc, yuca, or mandioca; Manihot esculenta Crantz, Euphorbiaceae) is an important cash crop and food crop of resource-limited farmers in Africa, Asia, and Latin America and the Caribbean. The storage roots are utilised either fresh, as in the case of sweet cultivars low in cyanogenic g...


Okogbenin, EmmanuelSetter TLFerguson MMutegi RAlves, A.C.Ceballos, H.Fregene, Martin A.[Phenotyping cassava for adaptation to drought]Phenotyping cassava for adaptation to drought
Okogbenin, EmmanuelEgesi, Chiedozie N.Mbanaso, ENAOgbe, FOSantos Meléndez, Luis GuillermoGutiérrez A., Janeth PatriciaMarín, J.A.Mba, CUkpabi, U.J.Fregene, Martin A.[Development of cassava germplasm resources for the improvement of high value root quality traits through induced mutation and marker aided breeding in Nigeria]Development of cassava germplasm resources for the improvement of high value root quality traits through induced mutation and marker aided breeding in Nigeria

Microsatellites or simple sequence repeats (SSR) are the markers of choice for molecular genetic mapping and marker-assisted selection in many crop species. A microsatellite-based linkage map of cassava was drawn using SSR markers and a F2 population consisting of 268 individuals. The F2 populati...


Okogbenin, EmmanuelMarin, JAFregene, Martin A.[An SSR-based molecular genetic map of cassava]An SSR-based molecular genetic map of cassava

This review presents an overview of the importance, constraints, and prospects on different aspects of cassava (Manihot esculenta crantz) breeding for enhanced micronutrient level, including carotenoids (precursors for provitamin-A) and especially beta-carotene. Early cassava-breeding efforts con...


Njoku, DNVernon, GEgesi, Chiedozie N.Asante, I.K.Offei, SKOkogbenin, EmmanuelKulakow, P.A.Eke-Okoro, O.N.Ceballos, H.[Breeding for enhanced ß-Carotene content in cassava: constraints and accomplishments]Breeding for enhanced ß-Carotene content in cassava: constraints and accomplishments

The gene pools for breeding cassava (Manihot esculenta Crantz) in Africa currently contain only a fraction of the existing genetic variation found in Latin America where the crop originates. Our research aimed to broaden the genetic base in Africa by introducing Latin American (LA) germplasm. The...


Okogbenin, EmmanuelPorto, M.C.M.Egesi, Chiedozie N.Mba, CEspinosa, E.Santos Melendez, LGOspina, C.Marin, JABarrera Sabogal, EGutiérrez A., Janeth PatriciaEkanayake, I.J.Iglesias, C.A.Fregene, Martin A.[Marker-assisted introgression of resistance to cassava mosaic disease into Latin American germplasm for the genetic improvement of cassava in Africa]Marker-assisted introgression of resistance to cassava mosaic disease into Latin American germplasm for the genetic improvement of cassava in Africa
Okogbenin, EmmanuelEgesi, Chiedozie N.Mba, CEspinosa, E.Santos Meléndez, Luis GuillermoOspina, C.Marín, J.A.Barrera Sabogal, EGutiérrez A., Janeth PatriciaFregene, Martin A.[Bridging the cassava productivity gap between Africa and the world: identification of elite CIAT lines adapted to Nigerian agro-ecologies]Bridging the cassava productivity gap between Africa and the world: identification of elite CIAT lines adapted to Nigerian agro-ecologies

Genetic mapping of early bulking in a full-sib population of cassava was continued in a selfed family of 268 cassava plants derived from a single progeny of the full-sib population. The pseudo F2 population was analysed with 122 segregating SSR markers. A previously constructed linkage map of cas...


Okogbenin, EmmanuelMarin, JFregene, Martin A.[QTL analysis for early yield in a pseudo F2 population of cassava]QTL analysis for early yield in a pseudo F2 population of cassava
Okogbenin, EmmanuelEgesi, Chiedozie N.Fregene, Martin A.[Molecular markers and tissue culture: technologies transcending continental barries to add value and improve productivity of cassava in Africa]Molecular markers and tissue culture: technologies transcending continental barries to add value and improve productivity of cassava in Africa
Moreno Cabrera, MITomkins, JOkogbenin, EmmanuelFregene, Martin A.[Positional cloning of CMD2 the gene that confers high level of resistance to the cassava mosaic disease (CMD)]Positional cloning of CMD2 the gene that confers high level of resistance to the cassava mosaic disease (CMD)

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