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Mostrando ítems 1-20 de 32
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A functional–structural plant model that simulates whole- canopy gas exchange of grapevine plants (Vitis vinifera L.) under different training systems
Prieto, Jorge Alejandro; Louarn, Gaëtan; Perez Peña, Jorge Esteban; Ojeda, Hernan; Simonneau, Thierry; Lebon, Eric (Oxford University Press, 2020-09)Background and Aims: Scaling from single-leaf to whole-canopy photosynthesis faces several complexities related to variations in light interception and leaf properties. To evaluate the impact of canopy strucuture on gas ... -
A leaf gas exchange model that accounts for intra‐canopy variability by considering leaf nitrogen content and local acclimation to radiation in grapevine (Vitis vinifera L.)
Prieto, Jorge Alejandro; Louarn, Gaëtan; Perez Peña, Jorge Esteban; Ojeda, Hernan; Simonneau, Thierry; Lebon, Eric (Wiley, 2012-07)Understanding the distribution of gas exchange within a plant is a prerequisite for scaling up from leaves to canopies. We evaluated whether leaf traits were reliable predictors of the effects of leaf ageing and leaf ... -
Carbohydrate reserve status of Malbec grapevines after several years of regulated deficit irrigation and crop load regulation
Dayer, Silvina; Prieto, Jorge Alejandro; Galat Giorgi, Mirta Eugenia; Perez Peña, Jorge Esteban (Wiley, 2013-10)Background and Aims: Regulated deficit irrigation (RDI) and bunch thinning are two viticultural practices applied worldwide. There is limited knowledge, however, about their combined effects on carbohydrate dynamics and ... -
Carbon balance in grapevine under a changing climate
Medrano Gil, Hipolito; Perez Peña, Jorge Esteban; Prieto, Jorge Alejandro; Tomás Mir, Magdalena; Franck, Nicolás; Escalona Lorenzo, José Mariano (2016)The measurement of the carbon balances is necessary to evaluate the contribution of different biomes to carbon sequestration and therefore to mitigate the global climate change effects. Carbon balance of grapevine is of ... -
Changes in leaf stomatal conductance, petiole hydraulics and vessel morphology in grapevine (Vitis vinífera cv.Chasselas) under different light and irrigation regimes
Dayer, Silvina; Perez Peña, Jorge Esteban; Gindro, Katia; Torregrosa, Laurent; Voinesco, Francine; Martinez, Liliana; Prieto, Jorge Alejandro; Zufferey, Vivian (2017)Hydraulic conductance and water transport in plants may be affected by environmental factors, which in turn regulate leaf gas exchange, plant growth and yield. In this study, we assessed the combined effects of radiation ... -
Comportamiento agronómico de la vid (Vitis vinifera, L.) var. Merlot bajo tres sistemas de protección con malla plástica antigranizo
Nahuel, Cesar Gabriel (Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2013)La viticultura representa una de las actividades productivas más importantes en Mendoza. El área cultivada se ve afectada con frecuencia por heladas y granizadas, que derivan en pérdidas de producción. Respecto al granizo, ... -
Comportamiento de Vitis vinifera L. cv. Merlot bajo tres sistemas de instalación de malla antigranizo
Nahuel, Cesar Gabriel; Castro, Pablo; Nahuel, Edgardo Daniel; Carbajal Ramos, Irene; Perez Peña, Jorge Esteban (Facultad de Ciencias Aplicadas a la Industria, Universidad Nacional de Cuyo, 2024-12)En Mendoza, el granizo es una adversidad meteorológica limitante para la producción agrícola. Anualmente, el 10% de la superficie cultivada con vid se ve afectada, registrando daños de hasta el 100%. La utilización de ... -
Condiciones para que la incorporación de energía solar en viñedos sea una opción económica y ambientalmente sostenible: caso de estudio de Mendoza, Argentina
Palazzo, Lucia Romina; Perez Peña, Jorge Esteban; Acosta, Gabriela Lourdes; Pizzolon Battistoni, Pierina Natacha (Asociación Argentina de Energías Renovables y Ambientales (ASADES), 2021-12)El objetivo del trabajo fue analizar las condiciones económicas-financieras y técnicas-productivas bajo las cuales la incorporación de energía solar para riego en viñedos es sostenible. Para esto se consideró una finca con ... -
Effect of leaf to fruit ratio on grape and wine composition in a minimally pruned vineyard = Efecto de la relación hoja fruto sobre la calidad de uvas y vino en un viñedo en poda mínima
Pacheco, Daniela; Battistella, Maximiliano; Perez Peña, Jorge Esteban; Prieto, Jorge Alejandro (GiESCO, 2017-11)Hay evidencias de retrasos en la acumulación de azúcar en vides conducidas en poda mínima. Esto puede deberse a rendimientos excesivos (baja relación hoja fruto) que pueden afectar la calidad enológica de la uva. Nuestro ... -
Effect of temperature increase on vegetative development, berry and wine compposition on CV. Malbec, Mendoza
Bustos Morgani, Marianela; Fanzone, Martín Leandro; Sari, Santiago Eduardo; Gallo, Agustina Eugenia; Perez Peña, Jorge Esteban; Prieto, Jorge Alejandro (Instituto Nacional de Vitivinicultura de Uruguay, 2025)Recent studies have predicted an increase of temperature in the main winegrowing regions of Argentina for the present century. A sustained increase in temperature may produce an advance in the phenological cycle, an increase ... -
Effects of temperature on gas exchange, berry and wine composition in two grapevine varieties
Gallo, Agustina Eugenia; Bustos Morgani, Marianela; Fanzone, Martín Leandro; Sari, Santiago Eduardo; Martinelli, Daniela; Lopez Pelegrina, Leandro; Calabrese, Nicolas; Perez Peña, Jorge Esteban; Prieto, Jorge Alejandro (Instituto Nacional de Vitivinicultura de Uruguay, 2018) -
Effects of three different installation systems of anti-hail net in vineyards cv. Merlot
Nahuel, Cesar Gabriel; Perez Peña, Jorge Esteban (International Society for Horticultural Science (ISHS), 2013) -
Estado sanitario en racimos en var. Malbec después de varios años de riego deficitario regulado y regulación de la carga de cultivos
Rodriguez Romera, Mariela Carmen; Gonzalez Erbin, Omar Adrian; Diaz, Mariano Emanuel; Morales, Andres Antonio; Perez Peña, Jorge Esteban (Asociación Argentina de Fitopatólogos (AAF), 2024)El riego deficitario regulado (RDI) y el raleo de racimos son prácticas vitícolas globales. Sin embargo, existe un conocimiento limitado sobre sus efectos combinados sobre las enfermedades en los racimos. Por esta razón ... -
High temperature during the budswell phase of grapevines increases shoot water transport capacity
Galat Giorgi, Mirta Eugenia; Keller, Markus; Sadras, Victor Oscar; Roig Junent, Fidel Alejandro; Perez Peña, Jorge Esteban (Elsevier, 2020-09)Knowledge about heat acclimation in perennial plants is limited. Our hypotheses were (i) that high temperature during budswell before budbreak elicits acclimation in grapevines that is mediated by greater water transport ... -
Identity and parentage of some South American grapevine cultivars present in Argentina
Aliquo, Gustavo; Torres, Maria Del Rocio; Lacombe, Thierry; Boursiquot, Jean-Michel; Laucou, Valerie; Gualpa, Jose Luis; Fanzone, Martín Leandro; Sari, Santiago Eduardo; Perez Peña, Jorge Esteban; Prieto, Jorge Alejandro (2017)Background and Aims: Based on 19 nuclear simple sequence repeat markers and parental analysis, we aimed to identify and propose the pedigree of different accessions held at the Estación Experimental Agropecuaria Mendoza ... -
Impact of the source sink ratio on vegetative growth, yield and reserves accumulation on a minimal pruning vineyard = Impacto de la relación fuente destino sobre el crecimiento vegetativo, rendimiento y acumulación de reservas en un viñedo conducido en poda mínima
Pacheco, Daniela; Perez Peña, Jorge Esteban; Prieto, Jorge Alejandro (GiESCO, 2017-11)La vid conducida en poda mínima logra un balance entre crecimiento vegetativo y reproductivo. Sin embargo, la acumulación de azúcar en bayas podría ser retrasada debido a un exceso de producción, que afectaría además, la ... -
Influencia de la Malla Antigranizo sobre el Microclima de la Vid (Vitis Vinífera L.) Var. Merlot
Nahuel, Cesar Gabriel; Perez Peña, Jorge Esteban (Fundación Fautapo, 2013) -
Interactive effects of high temperature and water deficit on Malbec grapevines
Galat Giorgi, Mirta Eugenia; Sadras, Victor Oscar; Keller, Markus; Perez Peña, Jorge Esteban (Wiley, 2019-06-26)Background and Aims: Studies of the interactive effects of drought and high temperature on the physiological responses of grapevines (Vitis spp.) are scarce. We tested whether well‐watered, potted vines were able to avoid ... -
Late pruning modifies leaf to fruit ratio and shifts maturity period, affecting berry and wine composition in Vitis vinífera L. cv. ‘Malbec’ in Mendoza, Argentina
Bustos Morgani, Marianela; Fanzone, Martín Leandro; Perez Peña, Jorge Esteban; Sari, Santiago Eduardo; Gallo, Agustina Eugenia; Gómez Tournier, Mariana Belén; Prieto, Jorge Alejandro (Elsevier, 2023-04)Higher temperatures in recent years have advanced berry ripening and harvest date, decoupling berry sugar accumulation of anthocyanins final concentration and therefore reducing wine potential color. Late pruning is proposed ... -
Leaf carbohydrate metabolism in Malbec grapevines : combined effects of regulated déficit irrigation and crop load
Dayer, Silvina; Prieto, Jorge Alejandro; Galat Giorgi, Mirta Eugenia; Perez Peña, Jorge Esteban (2016)Background and aims: Regulated deficit irrigation and crop load adjustment are viticultural practices used to improve grape and wine composition. Our objective was to evaluate the combined effect of irrigation and crop ...