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African oil palm ringspot virus (AOPRV) had been previously described as a fovea-like virus associated with a lethal disease of African oil palm (Elaeis guineensis) in South America. The original report was based on partial sequence and a distant relationship between AOPRV and Apple stem pitting ...


Lozano Potes, IMorales, Francisco JoséMartínez, A.K.Pena, E[Molecular characterization and detection of African oil palm ringspot virus]Molecular characterization and detection of African oil palm ringspot virus

The biological transmission of Tomato Venezuela virus (ToVEV) by biotype B of the whitefly species Bemisia tabaci (Gennadius) increased (21.7-95.0%), and the time for symptom expression decreased (16-12.6 days) as the number of viruliferous whiteflies allowed access for inoculation to susceptible...


Romay, GGeraud-Pouey, FChirinos, D.T.Morales Garzon, FJHerrera, E.Fernández, C.Martínez, A.K.[Transmisión del Tomato Venezuela Virus por Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), en Maracaibo, Venezuela = Transmission of Tomato Venezuela Virus by Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), in Maracaibo, Venezuela]Transmisión del Tomato Venezuela Virus por Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), en Maracaibo, Venezuela = Transmission of Tomato Venezuela Virus by Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), in Maracaibo, Venezuela

Se han presentado brotes de enfermedades virales antes desconocidas en habichuela y en tomate en varios municipios del Valle del Cauca. Las habichuelas presentan un arrugamiento foliar severo y amarillamiento moderado, mientras que el tomate muestra síntomas moderados de mosaico y deformación fol...


Morales, Francisco JoséMartínez, A.K.Velasco, Ana Cecilia[Nuevos brotes de begomovirus en Colombia]Nuevos brotes de begomovirus en Colombia

The common bean (Phaseolus vulgaris L.) has its origin in America, where it is consider as one of the basic foods. In Cuba, the emergence of bean golden mosaic was associated with high populations of Bemisia tabaci in common bean plantings in the 1970s. Persistent infections and crop losses cause...


Echemendia Gómez, A.L.Ramos Gonzalez, PLVillarreal, N.Martínez, A.K.González Arias, G.A.Morales, Francisco José[Caracterización del virus del mosaico amarillo dorado del frijol en Cuba]Caracterización del virus del mosaico amarillo dorado del frijol en Cuba
Martínez, A.K.Morales, Francisco JoséVallejo Cabrera, Franco Alirio[Caracterización molecular de un begomovirus del tomate en el Valle del Cauca, Colombia, y búsqueda de fuentes de resistencia para el mejoramiento de la variedad Unapal Maravilla = Molecular characterization of a begomovirus affecting tomato in the Cauca Valle - Colombia and identification of sources of resistance to improve the variety Unapal Maravilla]Caracterización molecular de un begomovirus del tomate en el Valle del Cauca, Colombia, y búsqueda de fuentes de resistencia para el mejoramiento de la variedad Unapal Maravilla = Molecular characterization of a begomovirus affecting tomato in the Cauca Valle - Colombia and identification of sources of resistance to improve the variety Unapal Maravilla

Observaciones al microscopio electrónico de extractos de plantas de pitahaya amarilla (Selenicereus megalanthus) afectada por un mosaico tenue, procedentes del municipio de Arbeláez, Cundinamarca, revelaron la presencia de partículas flexuosas de aspecto viral de aproximadamente 476 x 10 nm. Medi...


Reichel, HPérez, R.Martínez, A.K.Sedano Cruz, RECuervo Ibáñez, MaritzaArroyave, José A.Morales, Francisco José[Caracterización parcial de un potexvirus aislado de pitahaya amarilla (Selenicereus megalanthus) afectada por mosaico en Colombia]Caracterización parcial de un potexvirus aislado de pitahaya amarilla (Selenicereus megalanthus) afectada por mosaico en Colombia
Morales, Francisco JoséLozano Potes, ICastaño J., MauricioArroyave, José A.Peña, EOlaya, Cristian A.Martínez, A.K.[Detection and diagnosis of viruses infecting African and American oil palms (Elais guineensis and E. Oleifera)]Detection and diagnosis of viruses infecting African and American oil palms (Elais guineensis and E. Oleifera)
Morales, Francisco JoséCastaño J., MauricioOlaya, Cristian A.Martínez, A.K.Lozano Potes, IArroyave, José A.Velasco, Ana Cecilia[Characterization of viruses affecting tropical fruit crops in Colombia]Characterization of viruses affecting tropical fruit crops in Colombia
Martínez, A.K.Morales, Francisco JoséVallejo Cabrera, Franco Alirio[Molecular characterization of a begomovirus affecting tomato in Colombia and identficiation of resistance sources]Molecular characterization of a begomovirus affecting tomato in Colombia and identficiation of resistance sources
Morales, Francisco JoséTamayo Molano, Pablo J.Castaño J., MauricioOlaya, Cristian A.Martínez, A.K.Velasco, Ana Cecilia[Viral diseases of tomato (Solanum lypersicum) and their management in Colombia]Viral diseases of tomato (Solanum lypersicum) and their management in Colombia

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