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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

Fourteen microsatellites containing GA-repeats were isolated and characterized in cassava (Manihot esculenta Crantz, Euphorbiaceae). Microsatellite heterozygosity (h) was estimated in 48 accessions using (32P)-end-labeled primers and in more than 500 accessions using fluorescence-based genotyping...


Chavarriaga Aguirre, PaulMaya, M.M.Bonierbale, Merideth W.Kresovich, SFregene, Martin A.Tohme, Joseph M.Kochert, G[Microsatellites in cassava (Manihot esculenta Crantz) : discovery, inheritance and variability]Microsatellites in cassava (Manihot esculenta Crantz) : discovery, inheritance and variability
Akinbo, OlalekanLabuschagne, MarykeFregene, Martin A.[Introgression of root protein and yield traits from backcross hybrids between cassava and its wild progenitor (Manihot esculenta ssp flabellifolia)]Introgression of root protein and yield traits from backcross hybrids between cassava and its wild progenitor (Manihot esculenta ssp flabellifolia)
Álvarez, E.Hurtado López, PXFregene, Martin A.Llano Rodríguez, Germán Alberto[Detection of SRR markers associated with resistance to cassava (Manihot esculenta Crantz) Bacterial Blight (CBB) in Colombia]Detection of SRR markers associated with resistance to cassava (Manihot esculenta Crantz) Bacterial Blight (CBB) in Colombia
Kullaya, A.Mtunda, KMasumba, EAKulembeka, H.P.Ferguson, Morag E.Ospina, C.Hurtado López, PXGutiérrez A., Janeth PatriciaBarrera Sabogal, EMarín, J.A.Castro, C.Morillo, AAlzate Gutiérrez, A.M.Morante, NCeballos, H.Tohme, Joseph M.Fregene, Martin A.[Molecular marker-assisted selection (MAS) for improvement of local cassava germplasm in Tanzania for pest and disease resistance]Molecular marker-assisted selection (MAS) for improvement of local cassava germplasm in Tanzania for pest and disease resistance
Bellotti, Anthony C.Fregene, Martin A.Carabalí Muñoz, A.Montoya Lerma, JBurbano Melo, MAlves, A.A.Farias, A.R.N.Tohme, Joseph M.[Wild Manihot species as a source for resistance to artropod pests of cassava]Wild Manihot species as a source for resistance to artropod pests of cassava
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
Hurtado López, PXMarín, J.A.Ospina, C.Buitrago, C.Castelblanco, WHCorrea, A.M.Barrera, E.Gutiérrez A., Janeth PatriciaSantos Meléndez, Luis GuillermoVicente, M.C. deHearne, SFerguson, Morag E.Alves, A.Ferreira, CFregene, Martin A.[An assessment of the diversity in global cassava (Manihot esculenta Crantz) genetic resources based on simple sequence repeat (SSR) markers]An assessment of the diversity in global cassava (Manihot esculenta Crantz) genetic resources based on simple sequence repeat (SSR) markers
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

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