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Devaux, A.Ordinola, M.Andrade-Piedra, J.L.Velasco, C.Manrique, K.Thomann, A.Fonseca, C.López, G.Reinoso, I.Oros, R.Horton, D.[Innovacion para el desarrollo: Enfoques y experiencias de Papa Andina.]Innovacion para el desarrollo: Enfoques y experiencias de Papa Andina.

Este manual describe y analiza las condiciones necesarias para implementar la aeroponía como alternativa para la producción de minitubérculos de papa; explica cómo se puede implementar la aeroponía y comparte las experiencias de Colombia, Ecuador, Perú y varios países africanos en el uso de la ae...


Andrade-Piedra, J.L.Kromann, P.Otazú, V.[Manual para la producción de semilla de papa usando aeroponía: diez años de experiencias en Colombia, Ecuador y Perú.]Manual para la producción de semilla de papa usando aeroponía: diez años de experiencias en Colombia, Ecuador y Perú.

Late blight, caused by the oomycete Phytophthora infestans, is a threat to potato cropping systems worldwide. In the Ecuadorian Andes, despite a high late blight incidence in foliage, tuber blight is rare. In this work, the hypothesis that Ecuadorian Andean soils are naturally suppressive to P. i...


Orquera-Tornakian, G.Díaz, C.I.Mogrovejo, D.C.Villamarin, D.J.Jarrin, F.Ponce, L.K.Oliva, R.Gia, J.Forbes, G.Flores, F.J.Garzon, C.D.Molineros, J.Koch, A.Benitez, M.S.Andrade-Piedra, J.L.[Characterization of tuber blight suppressive soils from four provinces of the Ecuadorean Andes.]Characterization of tuber blight suppressive soils from four provinces of the Ecuadorean Andes.

This paper provides insights on the principal actors in producing in vitro plantlets, cuttings, and minitubers, with emphasis on the technologies used, the production capacity in place, and challenges. One of the key findings is that the total production of minitubers in the seven countries incre...


Harahagazwe, D.Andrade-Piedra, J.L.Parker, M.Schulte-Geldermann, Elmar[Current situation of rapid multiplication techniques for early generation seed potato production in Sub-Saharan Africa]Current situation of rapid multiplication techniques for early generation seed potato production in Sub-Saharan Africa

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
Thomas-Sharma, SaraAndrade-Piedra, J.L.Carvajal-Yepes, MonicaHernández Nopsa, J.F.Jeger, MichaelJones, RogerKromann, P.Legg, J.P.Yuen, JonathanForbes, G.Garrett, K.A.[A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops]A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops

Cuesta, X.Oyarzun, P.Andrade-Piedra, J.L.Kromann, P.Taipe, A.Montesdeoca, FMontesdeoca, L.Rivadeneira, J.Monteros, C.Comina, P.Carrera, E.Reinoso, I.[INIAP-Libertad: nueva variedad de papa con resistencia a lancha, precocidad y calidad]INIAP-Libertad: nueva variedad de papa con resistencia a lancha, precocidad y calidad

Parker, M.Low, J.W.Andrade, M.I.Schulte-Geldermann, ElmarAndrade-Piedra, J.L.[Climate change and seed systems of roots, tubers and bananas: The cases of potato in Kenya and sweetpotato in Mozambique]Climate change and seed systems of roots, tubers and bananas: The cases of potato in Kenya and sweetpotato in Mozambique

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.

Taipe, A.Kromann, P.Andrade-Piedra, J.L.[Eficiencia de nuevos fungicidas para el control del tizon tardio de la papa.]Eficiencia de nuevos fungicidas para el control del tizon tardio de la papa.

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