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Fregene, Martin A.Morante, NSánchez, T.Marin, JAOspina, C.Barrera Sabogal, EGutiérrez A., Janeth PatriciaGuerrero, JMBellotti, Anthony C.Santos Melendez, LGAlzate Gutiérrez, A.M.Moreno, SCeballos, H.[Molecular markers for introgression of useful traits from wild manihot relatives of cassava, marker-assisted selection (MAS) of disease and root quality traits]Molecular markers for introgression of useful traits from wild manihot relatives of cassava, marker-assisted selection (MAS) of disease and root quality traits

We evaluated cassava bacterial blight (CBB) infection in an pair-cross population of 150 individuals derived from an intra-specific cross between two non-inbred cassava (Manihot esculenta Crantz) lines. The replicated trials were carried out in the field under high disease pressure over two conse...


Jorge, VFregene, Martin A.Velez, C.M.Duque E., Myriam CristinaTohme, Joseph M.Verdier, Valérie[QTL analysis of field resistance to Xanthomonas axonopodis pv. manihotis in cassava]QTL analysis of field resistance to Xanthomonas axonopodis pv. manihotis in cassava

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
Okai, EOtoo, JKresovich, SMichelle, SLabuschagne, M.T.Dixon, Alfred G.O.Fregene, Martin A.[Genetic diversity of cassava (Manihot esculenta Crantz) landraces in Ghana using SSR markers]Genetic diversity of cassava (Manihot esculenta Crantz) landraces in Ghana using SSR markers
Morante, NMarín, J.A.Gutiérrez A., Janeth PatriciaSánchez, T.Ospina, C.Bellotti, Anthony C.Fregene, Martin A.[Mining the primary gene pool of cassava: introgression of resistance to the cassava green mite and high root protein from accessions of Manihot esculenta sub spp fabellifolia and Manihot tristis into cassava]Mining the primary gene pool of cassava: introgression of resistance to the cassava green mite and high root protein from accessions of Manihot esculenta sub spp fabellifolia and Manihot tristis into cassava
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)

Late root bulking is a major factor leading to rejection and abandoning of improved cassava genotypes in sub-Saharan Africa. Early bulking (EB) varieties shorten the growth period from planting to harvesting, better fit into environments with short rainy season, and reduce exposure to biotic and ...


Olasanmi, BAkoroda, M.O.Okogbenin, EmmanuelEgesi, Chiedozie N.Kahya, SSOnyegbule, OEwa, F.Gutiérrez, J.Ceballos, H.Tohme, Joseph M.Fregene, Martin A.[Bulked segregant analysis identifies molecular markers associated with early bulking in cassava (Manihot esculenta Crantz)]Bulked segregant analysis identifies molecular markers associated with early bulking in cassava (Manihot esculenta Crantz)
Fregene, Martin A.Kullaya, AKMtunda, KKulembeka, H.P.Masumba, EAFerguson, Morag E.Ospina, C.Marín, J.A.Santos Meléndez, Luis GuillermoBarrera, E.Morante, NTohme, Joseph M.Ceballos, H.[Molecular marker-assisted selection for starchy staples]Molecular marker-assisted selection for starchy staples

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