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Increased sweetpotato production in sub-Saharan Africa is hampered by high incidence of virus diseases. Work is going on to test whether healthy seed production can be maintained through a combination of farmer practices and internal and external quality assurance mechanisms; and to ensure that ...


Ogero, K.McEwan, M.Jeremiah, S.[Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.]Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.

Niño Jiménez, Diana PatriciaMartínez Vivas, Angélica MaríaCarvajal-Yepes, MonicaAranzales Rondón, EricsonCuervo Ibañez, Maritza[1 p.][Implementación de PCR en tiempo real para el diagnóstico de Cassava Polero-Like Virus (CsPLV) en accesiones de yuca (Manihot esculenta Crantz)]Implementación de PCR en tiempo real para el diagnóstico de Cassava Polero-Like Virus (CsPLV) en accesiones de yuca (Manihot esculenta Crantz)

Our team: PhD Student Latifa Mrisho shares on her research at IITA in Tanzania on whiteflies - the major vector driving the dual cassava viral diseases pandemic in Eastern, Central and parts of Southern Africa.


International Institute of Tropical Agriculture[Our team: PhD Student Latifa Mrisho]Our team: PhD Student Latifa Mrisho

Aspects of snap bean genetic improvement at CIAT are briefly analyzed. They include plant cycle and yield, strategies and methods for improvement, segregating population management, and description of characters to be evaluated. Data on the climbing and bush germplasm selected for the germplasm b...

Se analizan brevemente aspectos del mejoramiento genetico de la habichuela en CIAT como periodo vegetativo y rendimiento, estrategias y metodos de mejoramiento, manejo de poblaciones segregantes y descripcion de caracteres a evaluar. Se incluyen datos sobre el germoplasma voluble y arbustivo sele...


Montes de oca b., G.[Mejoramiento genetico de la habichuela en el CIAT y resultados de viveros internacionales]Mejoramiento genetico de la habichuela en el CIAT y resultados de viveros internacionales

Damage caused to snap bean by rust, angular leaf spot, Ascochyta, and web blight, is briefly described. Results of the evaluations carried out by CIAT with the germplasm bank are also described along with the strategies for improvement developed in the search for cv. resistant to these diseases. ...

Se describen brevemente los danos causados a la habichuela por roya, mancha foliar angular, Ascochyta y mustia hilachosa. Se describen tambien los resultados de las evaluaciones realizadas por CIAT con el banco de germoplasma y las estrategias de mejoramiento desarrollados en busca de cv. resiste...


Kornegay, Julia L.[Estrategias para el mejoramiento de la produccion de habichuelas en CIAT para la roya, mancha angular, ascochyta y mustia]Estrategias para el mejoramiento de la produccion de habichuelas en CIAT para la roya, mancha angular, ascochyta y mustia
Vetten, H.J.Allen, David J.[Recent progress in the identification of viruses of Phaseolus vulgaris in Africa]Recent progress in the identification of viruses of Phaseolus vulgaris in Africa

A passive haemagglutination test for evaluation of antibodies from Infectious Bovine Rhinotracheitis Virus was used. Beef cattle serum from four cattle regions of Colombia were analyzed. In the Eastern Plains and average prevalence of 19.5 percent was obtained when 48 farms were examined, from a ...


Aycardi B., Eduardo R.Sanclemente, V.Cortés, J.M.[Prevalencia de anticuerpos para el virus de rinotraqueitis bovina infecciosa en ganado de carne en Colombia y aislamiento del virus de casos clínicos]Prevalencia de anticuerpos para el virus de rinotraqueitis bovina infecciosa en ganado de carne en Colombia y aislamiento del virus de casos clínicos

Necrotic enteritis in poultry was diagnosed histopathologically for the first time, in two chicken farms located in the Sabana de Bogotá, Cundinamarca, Colombia. Descriptions and comments are made of two outbreaks taking into account the clinical history, macroscopic and microscopic lesions and t...


Morales, Gustavo A.Bustos M., FranciscoDíaz, Miguel A.[Enteritis necrótica aviar y su comprobación en Colombia]Enteritis necrótica aviar y su comprobación en Colombia
Gilbertson, R.L.Faria, J.C. deHanson, S.F.Ahlquist, P.G.Morales, Francisco JoséMaxwell, D.P.Russell, D.R.[Infection of beans (Phaseolus vulgaris) with cloned geminiviral DNA mediated by electric discharge particle acceleration]Infection of beans (Phaseolus vulgaris) with cloned geminiviral DNA mediated by electric discharge particle acceleration

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