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Carvajal Yepes, MónicaOlaya, Cristian A.Lozano, IvanCuervo Ibáñez, MaritzaCastaño J., MauricioCuéllar, Wilmer J.[Unraveling complex viral infections in cassava (Manihot esculenta Crantz) from Colombia]Unraveling complex viral infections in cassava (Manihot esculenta Crantz) from Colombia

Dioscorea rotundata plants from Nigeria showing green vein banding and shoe-string symptoms were found to be infected with a flexuous rod-shaped virus, about 805nm long. Infected leaves contained masses of filamentous virus-like particles and cytoplasmic inclusions usually associated with infecti...


Mohamed, N.A.Terry, Eugene R.[Virus-like particles and cytoplasmic inclusions associated with diseased Dioscorea rotundata poir from Nigeria]Virus-like particles and cytoplasmic inclusions associated with diseased Dioscorea rotundata poir from Nigeria
Álvarez, E.Llano Rodríguez, Germán AlbertoMejía, Juan Fernando[Cassava diseases in Latin America, Africa and Asia]Cassava diseases in Latin America, Africa and Asia

Fine, spiral, filamentous particles ~3 nm in diameter were consistently associated with hoja blanca-affected rice plants. The filamentous particles were isolated from infected plants following organic solvent clarification, concentration with polyethylene glycol, and equilibrium centrifugation in...


Morales, Francisco JoséNiessen, AI[Association of spiral filamentous viruslike particles with rice hoja blanca]Association of spiral filamentous viruslike particles with rice hoja blanca

La mosca blanca Bemisia tabaci es una de las plagas más ampliamente distribuidas en regiones tropicales y subtropicales del mundo donde afecta más de 600 especies de plantas cultivadas y silvestres. Los daños que causa se deben a diversos efectos del insecto en las plantas atacadas, como el debil...


Cuéllar Jimenez, M.E.Morales Garzon, FJ[La mosca blanca Bemisia tabaci (Gennadius) como plaga y vectora de virus en frijol común (Phaseolus vulgaris L.) = The whitefly Bemisia tabaci (Gennadius) as pest and vector of plant viruses of common bean ( Phaseolus vulgaris L.)]La mosca blanca Bemisia tabaci (Gennadius) como plaga y vectora de virus en frijol común (Phaseolus vulgaris L.) = The whitefly Bemisia tabaci (Gennadius) as pest and vector of plant viruses of common bean ( Phaseolus vulgaris L.)
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

Presentation des resultats d'une enquete pero-epidemiologique effectuee de 1986 a 1987 portant sur 1591 serums preleves chez des ovins et des caprins dans les zones agro-pastorale et pastorale, prouvant l'existance de principaux virus a tropisme respiratoire au Mali.


Maiga, S.Sarr, J.[Situation epidemiologique des principaux virus a tropisme respiratoire chez les petits ruminants au Mali]Situation epidemiologique des principaux virus a tropisme respiratoire chez les petits ruminants au Mali
Morales Garzón, Francisco José[Manejo de enfermedades de plantas causadas por virus transmitidos por moscas blancas]Manejo de enfermedades de plantas causadas por virus transmitidos por moscas blancas

The average productivity of cowpea in the existing traditional systems is low due to a complex of biotic and abiotic stresses. The biotic factors include insect pests, parasitic plants, and viral, fungal and bacterial diseases. Concerted efforts are being made to develop improved cowpea varieties...


Ajeigbe, Hakeem A.Singh, B.B.Emechebe, A.M.[Field evaluation of improved cowpea lines for resistance to bacterial blight, virus and striga under natural infestation in the West African savannas]Field evaluation of improved cowpea lines for resistance to bacterial blight, virus and striga under natural infestation in the West African savannas
Morales, Francisco JoséLozano, IvanVelasco, Ana CeciliaArroyave, José A.[Detección de un virus asociado a la mancha anular de la palma de aceite en Tumaco, Nariño = Detection of a fovea-like virus in African oil palms affected by a lethal ŽringspotŽ disease in Tumaco, Nariño]Detección de un virus asociado a la mancha anular de la palma de aceite en Tumaco, Nariño = Detection of a fovea-like virus in African oil palms affected by a lethal ŽringspotŽ disease in Tumaco, Nariño

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