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Journal Article 2002

Autor: Akano, A.O. Dixon, Alfred G.O. Mba, C Barrera Sabogal, E Fregene, Martin A.

Cassava mosaic disease (CMD) is the most-important disease of cassava (Manihot esculenta) in Africa, and is a potential threat to Latin American (LA) cassava production. Although this viral disease is still unknown in LA, its vector – the whitefly – has recently been found. The disease is best co...

Enlace original: https://cgspace.cgiar.org/handle/10568/42896

Investigación en Agricultura
Enlace permanente
Akano, A.O. ,  Dixon, Alfred G.O. ,  Mba, C ,  Barrera Sabogal, E ,  Fregene, Martin A. ,  [Genetic mapping of a dominant gene conferring resistance to cassava mosaic disease] ,  Genetic mapping of a dominant gene conferring resistance to cassava mosaic disease
Journal Article 1998

Autor: Chavarriaga Aguirre, Paul Maya, M.M. Bonierbale, Merideth W. Kresovich, S Fregene, Martin A. Tohme, Joseph M. Kochert, G

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/43853

Investigación en Agricultura
DNA
Enlace permanente
Chavarriaga Aguirre, Paul ,  Maya, M.M. ,  Bonierbale, Merideth W. ,  Kresovich, S ,  Fregene, 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
Journal Article 2005

Autor: Xia, L Peng, K Yang, S Wenzl, Peter Vicente, M.C. de Fregene, Martin A. Kilian, A

Understanding the distribution of genetic diversity within and among individuals, populations, species and gene pools is crucial for the efficient management of germplasm collections. Molecular markers are playing an increasing role in germplasm characterization, yet their broad application is li...

Enlace original: https://cgspace.cgiar.org/handle/10568/42715

Investigación en Agricultura
Enlace permanente
Xia, L ,  Peng, K ,  Yang, S ,  Wenzl, Peter ,  Vicente, M.C. de ,  Fregene, Martin A. ,  Kilian, A ,  [DArT for high-throughput genotyping of cassava (Manihot esculenta) and its wild relatives] ,  DArT for high-throughput genotyping of cassava (Manihot esculenta) and its wild relatives
Poster 2004

Autor: Morante, N Marín, J.A. Gutiérrez A., Janeth Patricia Sánchez, T. Ospina, C. Bellotti, Anthony C. Fregene, Martin A.
Enlace original: https://cgspace.cgiar.org/handle/10568/57973

Investigación en Agricultura
Enlace permanente
Morante, N ,  Marín, J.A. ,  Gutiérrez A., Janeth Patricia ,  Sánchez, 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
Journal Article 2014-01-15

Autor: Olasanmi, B Akoroda, M.O. Okogbenin, Emmanuel Egesi, Chiedozie N. Kahya, SS Onyegbule, O Ewa, F. Gutiérrez, J. Ceballos, H. Tohme, Joseph M. Fregene, Martin A.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/42140

Investigación en Agricultura
Enlace permanente
Olasanmi, B ,  Akoroda, M.O. ,  Okogbenin, Emmanuel ,  Egesi, Chiedozie N. ,  Kahya, SS ,  Onyegbule, O ,  Ewa, 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)
Journal Article 1999

Autor: Fregene, Martin A. Ospina, Julio A. Roca, William M.
Enlace original: https://cgspace.cgiar.org/handle/10568/83258

Investigación en Agricultura
Enlace permanente
Fregene, Martin A. ,  Ospina, Julio A. ,  Roca, William M. ,  [Recovery of cassava (Manihot esculenta Crantz) plants from culture of immature zygotic embryos] ,  Recovery of cassava (Manihot esculenta Crantz) plants from culture of immature zygotic embryos
Journal Article 2004

Autor: Loke, John Bernard Álvarez, E. Vallejo Cabrera, Franco Alirio Marin, J Fregene, Martin A. Rivera, S Llano Rodríguez, Germán Alberto Pineda López, Benjamín

Se evaluó la resistencia de los padres y las progenies de la familia de yuca K (M Nga 2 x CM 2177-2), a Phytophthora tropicalis. Además de los parentales se inocularon raíces frescas de 69 individuos de la familia K. Con la evaluación fenotípica y con base en las mapas moleculares de M Nga 2 (Mad...

Enlace original: https://cgspace.cgiar.org/handle/10568/44240

Investigación en Agricultura
Enlace permanente
Loke, John Bernard ,  Álvarez, E. ,  Vallejo Cabrera, Franco Alirio ,  Marin, J ,  Fregene, Martin A. ,  Rivera, S ,  Llano Rodríguez, Germán Alberto ,  Pineda López, Benjamín ,  [Análisis de QTLS de la resistencia a pudrición de raíz causada por Phytophthora tropicalis en una población segregante de yuca (Manihot esculenta Crantz)] ,  Análisis de QTLS de la resistencia a pudrición de raíz causada por Phytophthora tropicalis en una población segregante de yuca (Manihot esculenta Crantz)
Poster 2004

Autor: Loke, John Bernard Álvarez, E. Fregene, Martin A. Marín, J. Rivera, S Llano Rodríguez, Germán Alberto Mejía, Juan Fernando
Enlace original: https://cgspace.cgiar.org/handle/10568/57751

Investigación en Agricultura
Enlace permanente
Loke, John Bernard ,  Álvarez, E. ,  Fregene, Martin A. ,  Marín, J. ,  Rivera, S ,  Llano Rodríguez, Germán Alberto ,  Mejía, Juan Fernando ,  [Mapping QTLs for resistance to root rots caused by Phytophthora tropicalis in cassava] ,  Mapping QTLs for resistance to root rots caused by Phytophthora tropicalis in cassava
Journal Article 2012-06

Autor: Kulembeka, H.P. Ferguson, M. Herselman, L. Kanju, E. Mkamilo, G.S. Masumba, E. Fregene, Martin A. Labuschagne, M.T.

Cassava brown streak disease (CBSD) is an economically important virus disease causing significant losses to cassava root yield and quality in east, central and southern Africa. Breeding for resistance in cassava requires an understanding of the underlying genetic control of CBSD resistance. Sour...

Enlace original: https://cgspace.cgiar.org/handle/10568/79860

Investigación en Agricultura
Enlace permanente
Kulembeka, H.P. ,  Ferguson, M. ,  Herselman, L. ,  Kanju, E. ,  Mkamilo, G.S. ,  Masumba, E. ,  Fregene, Martin A. ,  Labuschagne, M.T. ,  [Diallel analysis of field resistance to brown streak disease in cassava (Manihot esculenta Crantz) landraces from Tanzania] ,  Diallel analysis of field resistance to brown streak disease in cassava (Manihot esculenta Crantz) landraces from Tanzania
Journal Article 2007

Autor: Ceballos, H. Sánchez, T. Morante, N Fregene, Martin A. Dufour, D.L. Smith, A.M. Denyer, K Pérez Velásquez, Juan Carlos Calle, F Mestres, C

One of the objectives of the cassava-breeding project at CIAT is the identification of clones with special root quality characteristics. A large number of self-pollinations have been made in search of useful recessive traits. During 2006 harvests an S1 plant produced roots that stained brownish-r...

Enlace original: https://cgspace.cgiar.org/handle/10568/42743

Investigación en Agricultura
Enlace permanente
Ceballos, H. ,  Sánchez, T. ,  Morante, N ,  Fregene, Martin A. ,  Dufour, D.L. ,  Smith, A.M. ,  Denyer, K ,  Pérez Velásquez, Juan Carlos ,  Calle, F ,  Mestres, C ,  [Discovery of an amylose-free starch mutant in cassava (Manihot esculenta Crantz)] ,  Discovery of an amylose-free starch mutant in cassava (Manihot esculenta Crantz)

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