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Mostrando ítems 1-20 de 44
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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 ... -
Aplicación de chips de sarmientos, microondas y ultrasonidos como estrategias tecnológicas para la crianza de vinos Bonarda = Application of Vine-shoot Chips, Microwaves and Ultrasound as Technological Strategies for Bonarda Wines Aging
Fanzone, Martín Leandro; Catania, Anibal Alejandro; Jofre, Viviana Patricia; Assof, Mariela Vanesa; Prieto, Jorge Alejandro; Lacognata Sottano, Juan; Quaglia, Lourdes; Mastropietro, Miguel; Chimeno, Selva Valeria; Mercado, Laura Analia; Sari, Santiago Eduardo (Universidad Juan Agustín Maza, 2024-07)La crianza en madera constituye un proceso enológico de gran impacto en la calidad química y sensorial de los vinos. Una alternativa consiste en la utilización de chips de sarmientos obtenidos en la poda de la vid. Por ... -
Aplicación del analisis descriptivo cuantitativo (QDA) del perfil flash (PF) como estrategia de evaluación sensorialde vinos malbec provenientes de La Pampa, Argentina
Varela, Ayelén Celeste; Masseroni, Maria Lujan; Prieto, Jorge Alejandro; Sari, Santiago Eduardo; Catania, Anibal Alejandro; Fanzone, Martín Leandro (Universidad de Antioquia (Colombia), 2022-11-22)Aplicar estrategias sensoriales para evaluar las características organolépticas de vinos Malbec provenientes de 25 de Mayo, La Pampa, Argentina -
Application of vine-shoot chips during winemaking and aging of Malbec and Bonarda wines
Fanzone, Martín Leandro; Catania, Anibal Alejandro; Assof, Mariela Vanesa; Jofre, Viviana Patricia; Prieto, Jorge Alejandro; Gil Quiroga, Daniela; Lacognata Sottano, Juan; Sari, Santiago Eduardo (MDPI Publication, 2021-07)The growing demand in recent years for sustainable wine production has led to the management of waste and by-products. Among them, vine-shoots could be used as additives comparable to the oak fragments widely employed in ... -
Assessing chemical composition variations on vintage, vineyard location and grape ripeness: A regional study of red wines produced in the colorado river middle basin, La Pampa (Argentina)
Varela, Ayelén Celeste; Wagner, Marcelo; Masseroni, Maria Lujan; Sartor, Paolo Daniel; Zaldarriaga Heredia, Jorgelina; Jofré, Florencia Cora; Sari, Santiago Eduardo; Catania, Anibal Alejandro; Prieto, Jorge Alejandro; Savio, Marianela; Camiña, José Manuel; Azcarate, Silvana; Fanzone, Martín Leandro (Elsevier, 2024-10)This work aimed to characterize chemical composition of Malbec and Cabernet Franc red wines from two different regions of La Pampa’s province, which stands out as one of the youngest wine-producing regions in Argentina and ... -
Blue light attenuation mediates morphological and architectural acclimation of Vitis vinifera cv. Malbec to shade and increases light capture
Gonzalez, Carina Veronica; Jeréz, Damián Nicolás; Jofre, María Florencia; Guevara, Aranzazù; Prieto, Jorge Alejandro; Mazza, Carlos Alberto; Williams, Larry E.; Giordano, Carla Valeria (2018-10)Grapevine is one of the most important fruit crops worldwide. Vineyard management practices affect light interception and spectral characteristics inside the canopy. Plant photoreceptors drive shade acclimation responses ... -
Caracterización química de vinos Malbec y Cabernet franc provenientes de dos localidades de La Pampa (Argentina), en relación al grado de madurez de las uvas
Varela, Ayelén Celeste; Masseroni, Maria Lujan; Sari, Santiago Eduardo; Prieto, Jorge Alejandro; Sartor, Paolo Daniel; Zamora, Damian; Fontanella, Dardo Roy; Aumassanne, Carolina Manuela; Fanzone, Martín Leandro (Facultad de Ciencias Aplicadas a la Industria, Universidad Nacional de Cuyo, 2022-07-26)Este trabajo tiene como objetivos, caracterizar la composición química de uvas y vinos de las variedades Malbec y Cabernet franc provenientes de 25 de Mayo y Casa de Piedra (La Pampa, Argentina) e interpretar la influencia ... -
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 ... -
Drought will not leave your glass empty : low risk of hydraulic failure revealed by long-term drought observations in world’s top wine regions
Charrier, Guillaume; Delzon, Sylvain; Domec, Jean Christophe; Zhang, Li; Delmas, Chloe E. L.; Merlin, Isabelle; Corso, Deborah; King, Andrew; Ojeda, Hernan; Ollat, Nathalie; Prieto, Jorge Alejandro; Scholach, Thibaut; Skinner, Paul; Leeuwen, Cornelis van; Gambetta, Gregory A. (2018)Grapevines are crops of global economic importance that will face increasing drought stress because many varieties are described as highly sensitive to hydraulic failure as frequency and intensity of summer drought increase. ... -
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 acclimation to long-term shading on photosynthesis in grapevines: roles of non-structural carbohydrates and stomatal conductance
Gallo, Agustina Eugenia; Christophe, Angélique; Poupard, Magali; Boulord, Romain; Rolland, Gaëlle; Prieto, Jorge Alejandro; Simonneau, Thierry; Pallas, Benoît (Wiley, 2024-12)Plant acclimation to varying light environments can enhance productivity. However, limited research exists on how plants re-acclimate to sunlight after shading, despite the increasing use of transient crop shading techniques ... -
Effects of mechanical box pruning intensity on bud development, vegetative growth, and yield components on cv. Cabernet-Sauvignon in Mendoza, Argentina
Barcia Poblete, Fernando Andres; Prieto, Jorge Alejandro; Trentacoste, Eduardo Rafael (International Viticulture and Enology Society, 2023-08)Mechanised winter pruning is increasingly being used to reduce the high costs of manual pruning. Mechanised pruning is non-selective, and for its optimal application, the definition of pruning intensity is necessary to ... -
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) -
An empirical model that uses light attenuation and plant nitrogen status to predict within-canopy N distribution and upscale photosynthesis from leaf to whole canopy
Louarn, Gaëtan; Frak, Ela; Zaka, Serge; Prieto, Jorge Alejandro; Lebon, Eric (2015-10-03)Modelling the spatial and temporal distribution of leaf nitrogen (N) is central to specify photosynthetic parameters and simulate canopy photosynthesis. Leaf photosynthetic parameters depend on both local light availability and ... -
Evaluation of different alternatives to modulate the balance of Malbec vineyards in La Pampa (Argentina): shoot and cluster thinning
Varela, Ayelén Celeste; Masseroni, Maria Lujan; Sartor, Paolo Daniel; Prieto, Jorge Alejandro; Sari, Santiago Eduardo; Catania, Anibal Alejandro; Fanzone, Martín Leandro (Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2024-11)The aim of this study was to evaluate the impact of shoot and cluster thinning on the chemical composition of Malbec grapes and wines from La Pampa (Argentina), over two vintages (2021 and 2022). -
First report of grapevine hammerhead viroid-like RNA infecting grapevine in Argentina
Cuello, Raul Andres; Debat, Humberto Julio; Zavallo, Diego; Lanza Volpe, Melisa; Prieto, Jorge Alejandro; Torres, Maria Del Rocio; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo (Springer, 2025-02-13)Grapevine hammerhead viroid-like RNA (GHVd) is single- stranded circular RNA that shares structural features with viroids and was firstly detected in grapevines (Vitis vinifera L.) of the Pinot noir variety from Italy (Wu ...