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Roman, M.Rivera, C.Orbegozo, J.Serna, F.Gamboa, S.Pérez, W.Suarez, V.Forbes, G.Kreuze, J.F.Ghislain, M.[Resistencia a Phytophthora infestans linaje clonal EC-1 en Solanum tuberosum mediante la introduccion del gen RB]Resistencia a Phytophthora infestans linaje clonal EC-1 en Solanum tuberosum mediante la introduccion del gen RB

Forbes, G.Gamboa, S.Lindqvist-Kreuze, HaneleOliva, R.F.Pérez, W.[Identification of an A2 population of Phythophthora andina attacking tree tomato in Peru indicates a risk of sexual reproduction in this pathosystem.]Identification of an A2 population of Phythophthora andina attacking tree tomato in Peru indicates a risk of sexual reproduction in this pathosystem.

The Andean region is the most important center of potato diversity in the world. The global warming trend which has taken place since the 1950s, that is 2-3 times the reported global warming and the continuous presence of extreme events makes this region a live laboratory to study the impact of c...


Quiróz, R.Ramírez, D.Kroschel, J.Andrade-Piedra, J.L.Barreda, CarolinaCondori, B.Mares, V.Monneveux, P.Pérez, W.[Impact of climate change on the potato crop and biodiversity in its center of origin]Impact of climate change on the potato crop and biodiversity in its center of origin
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.

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

An unknown Phytophthora species was discovered in the central Peruvian Andes on blighted foliage of the native South American plant species Urera lacineata. Urera is a genus of native flowering shrubs in the nettle family Urticaceae. This new taxon Phytophthora urerae sp. nov. is herewith formall...


Grunwald, N.J.Forbes, G.Pérez, W.Stewart, J.E.Fieland, V.J.Larsen, M.M.[Phytophthora urerae sp. nov., a new clade 1c relative of the Irish famine pathogen Phytophthora infestans from South America]Phytophthora urerae sp. nov., a new clade 1c relative of the Irish famine pathogen Phytophthora infestans from South America
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.
Kutnjak, DenisSilvestre, RocioCuéllar, Wilmer J.Pérez, W.Muller, G.Ravnikar, MajaKreuze, J.F.[Complete genome sequences of new divergent potato virus X isolates and discrimination between strains in a mixed infection using small RNAs sequencing approach]Complete genome sequences of new divergent potato virus X isolates and discrimination between strains in a mixed infection using small RNAs sequencing approach

Soil organic C (SOC), the largest terrestrial C pool, has been shown to be sensitive to agricultural disturbance. In the Andean Puna, agricultural expansion is thought to be jeopardizing the large SOC stock sequestered in its soils. In this paper, we assessed the impact changes in land use have o...


Rolando, J.L.Dubeux, J.C.Pérez, W.Ramírez, D.Turin, C.Ruiz Moreno, M.Comerford, N.Mares, V.García, S.Quiróz, R.[Soil organic carbon stocks and fractionation under different land uses in the Peruvian high-Andean Puna.]Soil organic carbon stocks and fractionation under different land uses in the Peruvian high-Andean Puna.

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

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