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Ramírez, D.Gavilan, C.Barreda, CarolinaCondori, B.Rossel, G.Mwanga, R.O.M.Andrade, M.I.Monneveux, P.Anglin, Noelle L.Quiróz, R.Ellis, D.Quiróz, R.[Characterizing the diversity of sweetpotato through growth parameters and leaf traits: Precocity and light use efficiency as important ordination factors.]Characterizing the diversity of sweetpotato through growth parameters and leaf traits: Precocity and light use efficiency as important ordination factors.

The definition of irrigation schedules depends on the understanding of the response of key plant traits to different water restriction characteristics with the aim to avoid physiological impairment. In this study, different timings (at tuber initiation and bulking) and intensities (four soil mois...


Ramírez, D.Yactayo, W.Rens, L.R.Rolando, J.L.Palacios, S.Mendiburu, F. deMares, V.Barreda, CarolinaLoayza, H.Monneveux, P.Zotarelli, L.Khan, A.Quiróz, R.[Defining biological thresholds associated to plant water status for monitoring water restriction effects: Stomatal conductance and photosynthesis recovery as key indicators in potato.]Defining biological thresholds associated to plant water status for monitoring water restriction effects: Stomatal conductance and photosynthesis recovery as key indicators in potato.

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
Fleisher, D.H.Condori, B.Quiróz, R.Alva, A.Asseng, SentholdBarreda, CarolinaBindi, M.Boote, Kenneth J.Ferrise, R.Franke, A.C.Govindakrishnan, P.M.Harahagazwe, D.Hogenboom, G.Naresh Kumar, S.Merante, P.Nendel, C.Olesen, J.E.Parker, P.S.Raees, D.Raymundo, R.Ruane, Alex C.Stockle, C.Supit, I.Vanuytrecht, ElineWolf, JoostWoli, P.[A potato model inter-comparison across varyng climates and productivity levels]A potato model inter-comparison across varyng climates and productivity levels

Data acquisition for parameterization is one of the most important limitations for the use of potato crop growth models. Non destructive techniques such as remote sensing for gathering required data could circumvent this limitation. Our goal was to analyze the effects of incorporating ground-base...


Quiróz, R.Loayza, H.Barreda, CarolinaGavilán, C.Posadas, A.Ramírez, D.[Linking process-based potato models with light reflectance data: Does model complexity enhance yield prediction accuracy?]Linking process-based potato models with light reflectance data: Does model complexity enhance yield prediction accuracy?

According to potato experts from ten Sub-Saharan Africa (SSA) countries working together in a community of practice (CoP) over a 3-years period, potato farmers across SSA can increase their current annual production of 10.8 million metric tons by 140% if they had access to high quality seed along...


Harahagazwe, D.Condori, B.Barreda, CarolinaBararyenya, A.Byarugaba, A.A.Kude, D.A.Lung'aho, C.Martinho, C.Mbiri, D.Nasona, B.Ochieng, B.Onditi, J.Randrianaivoarivony, J.M.Tankou, C.M.Worku, A.Schulte-Geldermann, ElmarMares, V.Mendiburu, F. deQuiróz, R.[How big is the potato (Solanum tuberosum L.) yield gap in Sub-Saharan Africa and why? A participatory approach.]How big is the potato (Solanum tuberosum L.) yield gap in Sub-Saharan Africa and why? A participatory approach.

In potatoes and many other crops, drought is one of the most important environmental constraints leading to yield loss. Development of drought-tolerant cultivars is therefore required for maintaining yields under climate change conditions and for the extension of agriculture to sub-optimal croppi...


Legay, S.Lefevre, I.Lamoureux, D.Barreda, CarolinaTincopa, L.R.Gutiérrez, R.Quiróz, R.Hoffman, L.Hausman, J.F.Bonierbale, Merideth W.Evers, D.Schafleitner, R.[Carbohydrate metabolism and cell protection mechanisms differentiate drought tolerance and sensitivity in advanced potato clones (Solanum tuberosum L.)]Carbohydrate metabolism and cell protection mechanisms differentiate drought tolerance and sensitivity in advanced potato clones (Solanum tuberosum L.)

Low radiation is one of the most important factors which limits potential yield in potato. Under humid conditions, the dominance of diffuse radiation not only imposes challenges for radiation use efficiency in crops but also limits the water status surveillance through non-invasive methods like i...


Rinza, J.Ramírez, D.García, J.Mendiburu, F. deYactayo, W.Barreda, CarolinaVelásquez, T.Mejia, A.Quiróz, R.[Infrared radiometry as a tool for early water deficit detection: insights into its use for establishing irrigation calendars for potatoes under humid conditions]Infrared radiometry as a tool for early water deficit detection: insights into its use for establishing irrigation calendars for potatoes under humid conditions

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