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Isolates of Sphaceloma manihoticola, the asexual stage of Elsinoe brasiliensis, were collected from several regions of south-central Brazil. The isolates were obtained from samples of leaves, stems, and petioles of cassava (Manihot esculenta) and the weedy Euphorbia heterophylla ( amendoim bravo ...


Álvarez, E.Mejía De Los Rios, J.F.Valle, T.L.[Molecular and pathogenicity characterization of Sphaceloma manihoticola isolates from South-Central Brazil]Molecular and pathogenicity characterization of Sphaceloma manihoticola isolates from South-Central Brazil

Ospina Patiño, BernardoCeballos, H.Álvarez, E.Bellotti, Anthony C.Calvert, Lee A.Arias, V.B.Cadavid López, Luis FernandoPineda López, BenjamínLlano Rodríguez, Germán AlbertoCuervo Ibáñez, Maritza[La yuca en el tercer milenio: sistemas modernos de producción, procesamiento, utilización y comercialización]La yuca en el tercer milenio: sistemas modernos de producción, procesamiento, utilización y comercialización

Cassava (Manihot esculenta Crantz) is a major staple crop in developing countries and a large source of raw material for industrial purposes as flour, starch, and ethanol. In July 2012, 24 cassava genotypes (corresponding to 1.85% of the accessions) with typical symptoms of frogskin disease (CFSD...


Oliveira, SASAbreu, EFMAraújo, TSOliveira, EJAndrade, ECGarcía, J.M.P.Álvarez, E.[First report of a 16SrIII-L phytoplasma associated with frogskin disease in cassava (Manihot esculenta Crantz) in Brazil]First report of a 16SrIII-L phytoplasma associated with frogskin disease in cassava (Manihot esculenta Crantz) in Brazil

Álvarez, E.Llano Rodríguez, Germán Alberto[Enfermedades del cultivo de la yuca y métodos de control]Enfermedades del cultivo de la yuca y métodos de control

Una de las principales estrategias para el manejo del Añublo Bacterial de la Yuca (CBB), causado por Xanthomonas axonopodis pv. manihotis es el uso de resistencia varietal, que implica desarrollar variedades de yuca con resistencia genética duradera. Para tal fin, es necesario conocer los genes q...


Hurtado Lopez, PXÁlvarez, E.Llano Rodríguez, Germán AlbertoFregene, Martin A.[Detección de marcadores microsatélites asociados con la resistencia al añublo bacterial de la yuca (Manihot esculenta Crantz) en Colombia]Detección de marcadores microsatélites asociados con la resistencia al añublo bacterial de la yuca (Manihot esculenta Crantz) en Colombia
Álvarez, E.Llano Rodríguez, Germán AlbertoLoke, John BernardRestrepo, JAMora, JR[Investigación participativa para el control de pudriciones de yuca en comunidades indígenas de Mitú, Colombia]Investigación participativa para el control de pudriciones de yuca en comunidades indígenas de Mitú, Colombia

Cassava is one of the main carbohydrate sources in the tropics, and it has worldwide importance as basic food for millions of persons in America and Africa. This root crop is affected by cassava frog skin disease that in Colombia produces yield losses of almost 90%. A phytoplasma was associated w...


Álvarez, E.Mejía, Juan FernandoLlano Rodríguez, Germán AlbertoLoke, John Bernard[Detection and characterization of a phytoplasma associated with frog skin disease in cassava]Detection and characterization of a phytoplasma associated with frog skin disease in cassava
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

There is a limited knowledge on the inheritance of traits with agronomic relevance in cassava. A diallel study among 10 parental clones was conducted in the acid-soils environment in the eastern savannas of Colombia. Thirty clones were obtained for each F1 cross. Each clone was represented by six...


Calle, FPérez Velásquez, Juan CarlosGaitan, WMorante, NCeballos, H.Llano Rodríguez, Germán AlbertoÁlvarez, E.[Diallel inheritance of relevant traints in cassava (Manihot esculenta Crantz) adapted to acid-soil savannas]Diallel inheritance of relevant traints in cassava (Manihot esculenta Crantz) adapted to acid-soil savannas

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