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The major pests and diseases were identified and quantified on thirteen potato landraces and three bred varieties cultivated in Peru. Late blight (Phytophthora infestans) was the primary biotic constraint affecting plants before flowering with an average severity of 24%. No other pathogens caused...


Pérez, W.Valverde Marival, M.Barreto Bravo, M.Andrade-Piedra, J.L.Forbes, G.[Pests and diseases affecting potato landraces and bred varieties grown in Peru under indigenous farming system]Pests and diseases affecting potato landraces and bred varieties grown in Peru under indigenous farming system

Oyarzun, P.Krijger, A.K.Garzon, C.D.León, D.Kromann, P.Yuen, J.Forbes, G.[Evaluation of host susceptibility, pathogen aggressiveness and sporangial survival in soil as factors affecting incidence of potato tuber infection by Phytophthora infestans in Ecuador.]Evaluation of host susceptibility, pathogen aggressiveness and sporangial survival in soil as factors affecting incidence of potato tuber infection by Phytophthora infestans in Ecuador.

Luengas, E.Abril, A.Castro, J.C.González, L.N.Navarro, C.Giraldo, D.Ramírez Villegas, JuliánAndrade-Piedra, J.L.Kromann, P.Forbes, G.Ghul, A.Restrepo, S.[Modeling the correlation between late blight sporulation and climate variables to guide fungicide applications in Cundinamarca, Colombia.]Modeling the correlation between late blight sporulation and climate variables to guide fungicide applications in Cundinamarca, Colombia.

Atieno, E.Narla, R.D.Parker, M.Forbes, G.Kimenju, J.W.Schulte-Geldermann, Elmar[Enhancing resistance of potato cultivars with phosphonate fungicides in management of late blight in Kenya.]Enhancing resistance of potato cultivars with phosphonate fungicides in management of late blight in Kenya.

The cultivated potato, Solanum tuberosum is affected by a variety of diseases with late blight (LB) caused by Phytophthora infestans being the most severe. The disease is mostly controlled by the application of large quantities of fungicides, which represent a financial burden on farmers indevelo...


Mwathi, M.Roman, M.Orbegozo, J.Rivera, C.Forbes, G.Ghislain, M.[Genetic transformatin of potato with a triple R gene construct to confer resistance to late blight.]Genetic transformatin of potato with a triple R gene construct to confer resistance to late blight.

Pérez, W.Orrego, R.Ortiz, O.Forbes, G.Andrade-Piedra, J.L.[Herramienta de apoyo a la toma de decisiones para el manejo del tizon tardio disenada para el uso de agricultores de subsistencia.]Herramienta de apoyo a la toma de decisiones para el manejo del tizon tardio disenada para el uso de agricultores de subsistencia.

Morales, W.Taipe, P.Forbes, G.[Concentracion e infeccion de esporangios de Phytophthora infestans (Mont.) de Bary en pre-emergencia de tuberculos de papa (Solanum tuberosum).]Concentracion e infeccion de esporangios de Phytophthora infestans (Mont.) de Bary en pre-emergencia de tuberculos de papa (Solanum tuberosum).

Taipe, P.Forbes, G.Andrade-Piedra, J.L.[Estimacion del nivel de susceptibilidad a Phytophthora infestans en genotipos de papa.]Estimacion del nivel de susceptibilidad a Phytophthora infestans en genotipos de papa.

Orbegozo, J.Roman, M.Rivera, C.Tovar, J.A.Pérez, W.Gamboa, S.Forbes, G.Kreuze, J.F.Ghislain, M.[Agrotransformacion y evaluacion de la resistencia a Phytophthora infestans en Solanum tuberosum L. variedad Desiree.]Agrotransformacion y evaluacion de la resistencia a Phytophthora infestans en Solanum tuberosum L. variedad Desiree.

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