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Lindqvist-Kreuze, HaneleGastelo, M.Pérez, W.Forbes, G.Koeyer, D. deBonierbale, Merideth W.[Phenotypic stability and genome wide association study of late blight resistance in potato genotypes adapted to the tropical highlands.]Phenotypic stability and genome wide association study of late blight resistance in potato genotypes adapted to the tropical highlands.
Forbes, G.Morales, J.G.Restrepo, S.Pérez, W.Gamboa, S.Ruiz, R.Cedeno, L.Fermin, G.Andreu, A.B.Acuna, I.Oliva, R.[Phytophthora infestans and Phytophthora andina on Solanaceous hosts in South America.]Phytophthora infestans and Phytophthora andina on Solanaceous hosts in South America.

The complete bipartite genome (RNA1 and RNA2) of a new nepovirus infecting potato was obtained using small RNA sequencing and assembly complemented by Sanger sequencing. Each RNA encodes a single polyprotein, flanked by 5’ and 3’ untranslate regions (UTR) and followed by a poly (A) tail. The puta...


Souza, Joao deMuller, G.Pérez, W.Cuéllar, Wilmer J.Kreuze, J.F.[Complete sequence and variability of a new subgroup B nepovirus infecting potato in central Peru]Complete sequence and variability of a new subgroup B nepovirus infecting potato in central Peru
Pérez, W.Nahui, M.Ellis, D.Forbes, G.[Wide phenotypic diversity for resistance to Phytophthora infestans found in potato landraces from Peru.]Wide phenotypic diversity for resistance to Phytophthora infestans found in potato landraces from Peru.

Late blight caused by P. infestans is the most devastating disease of potato worldwide. To understand the current P. infestans population structure in the Peruvian Andes, 701 single-lesion samples were collected from cultivated potato in different agroecological zones at 2016-2017. Genetic divers...


Astete, A.Pérez, W.Gamboa, S.Lindqvist-Kreuze, Hanele[Current diversity of Phytophthora infestans infecting cultivated potato in the Peruvian Andes]Current diversity of Phytophthora infestans infecting cultivated potato in the Peruvian Andes

The effectiveness and efficiency of commercial resistance inductors (RIs) for LB control in the central highlands of Peru were studied. Susceptible plants of cv. Yungay were sprayed with PKplus®, Manvert Biolet®, Miconic® and Manvert Silikon®, and then they were inoculated with a complex P. infes...


Sanabria, K.Pérez, W.Sánchez, D.Andrade-Piedra, J.L.[Resistance inductors for potato late blight management in Peru]Resistance inductors for potato late blight management in Peru

Using a semi-structured questionnaire, 1198 Peruvian farmers were interviewed on their knowledge about late blight (LB) and its current management practices. Farmers overwhelmingly considered LB as the main foliar constraint in both potato growing areas. However, most farmers considered the inter...


Pérez, W.Arias, R.Barreto, M.Sanabria, K.Andrade-Piedra, J.L.[Farmers’ knowledge and management of potato late blight in Peruvian highlands: implications for an integrated disease management program]Farmers’ knowledge and management of potato late blight in Peruvian highlands: implications for an integrated disease management program

Fifty-seven accessions of wild potato species and 352 accessions of potato landraces hold in the International Potato Center (CIP) were tested for resistance to late blight (LB) in a series of greenhouse experiments from May to December 2018, in Lima, Peru. Wide phenotypic variation for resistanc...


Pérez, W.Rojas, T.Alarcón, L.Andrade-Piedra, J.L.[Screening for resistance to late blight in wild potato species and landraces in greenhouse conditions in Peru.]Screening for resistance to late blight in wild potato species and landraces in greenhouse conditions in Peru.

Pérez, W.Forbes, G.[¿Para qué se calibra la bomba de mochila? Hoja Divulgativa 6]¿Para qué se calibra la bomba de mochila? Hoja Divulgativa 6

Esta guía ha sido diseñada para proporcionar información actualizada de las principales plagas que afectan al cultivo de la papa a los facilitadores (agricultores líderes, técnicos extensionistas, profesionales o estudiantes de colegios agropecuarios, institutos técnicos y/o universidades) encarg...


Pérez, W.Forbes, G.[Guia de identificacion de plagas que afectan a la papa en la zona andina.]Guia de identificacion de plagas que afectan a la papa en la zona andina.

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