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Effects of machine-simulated extreme weather events on grapevine ripening

Hail is a major challenge in viticulture, as it can damage both the vine’s canopy and its grapes. In practice, hail-damaged berries are often removed manually in order to reduce or eliminate negative impacts on wine quality. In order to determine the influence of hail damage and subsequent removal of damaged berries on the ripening […]

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Response of Graciano (Morrastel) and Tempranillo varieties at different elevations and under different weather conditions in Rioja DOCa (Spain)

The aim of this work was to analyze the differences in the response of two red varieties (Tempranillo and Graciano) under the present climate conditions and under projected climate change scenarios in Rioja DOCa. Phenological dates and grape composition of both varieties (berry weight (BW), total soluble solids (PVAD), titratable acidity (AcT), malic acid (AcM), […]

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Grape composition of Viura (Macabeo) variety related to weather conditions and elevation in Rioja DOCa (Spain)

Within the white varieties authorized in Rioja DOCa, Viura is the one that occupies the highest extension. The aim of this work was to analyze the influence of climatic variables on grape composition of the Viura variety (Macabeo), and its variability in areas located at different elevation. Grape composition (sugar content (PVAD), total acidity (AcT), […]

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Utility of flavonoid profile in designing wine grape trellis systems resilient to climate change

Exposure of grape berry to diffuse solar radiation was highlighted as a key component of canopy management with shoot and leaf removal for decades. Applying water deficits to red wine grape was also highlighted as a management tool to improve flavonoid composition. Under the context of climate change elevated degree day accumulation, frequent heat waves, […]

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Projected changes in phenology of Mazuelo (Carignan) cultivar in Rioja DOCa (Spain) under climate change scenarios

The aim of this work was to analyze the variability of the phenological dates of Mazuelo variety under weather conditions and the projected changes under climate change scenarios in Rioja DOCa. Phenological dates corresponding to flowers separated (stage H), veraison (stage M) and harvest were analyzed in two zones of Rioja DOCa during the period […]

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Comprehensive studies on the vintage effect in the terroir of Puente Alto in Maipo Valley in Chile

A given terroir is created by all environmental influences on a place including climate, soil and vine, and reflects in the chemical composition and sensory properties of the wine [1]. The vintage year is also known to be highly influential, albeit studies of the phenolic composition and untargeted chemical fingerprints have shown that specific properties […]

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Root-shoot relations and response to salinity and deficit irrigation of irrigated grapevines in an arid area

Grapevine (Vitis vinifera) is one of the world’s major fruit crops, with a gross production value of about 74 billion US$ (FAO, 2018). Production of good quality wine requires adequate sun, heat, and water during the growing season and enough cold during dormancy. Arid areas provide those requirements when combined with sufficient irrigation. However, in […]

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Rethinking cultural practices in viticulture: Strategizing for sustainability

Given the earth’s finite set of resources and unwavering resource consumption trends, steadily increasing pressures on biodiversity, land, and resource use are becoming increasingly problematic. Not immune to this, and in some ways especially related for its impact on and acute vulnerability to climate change effects, is the practice of viticulture and winemaking. Regional programs […]

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Impact of geographical location on the phenolic profile of minority varieties grown in Spain. I: white grapevines

The polyphenols present in grapes and wines, are substances responsible of chromatic and astringency characteristics. Additionally, they have antioxidant properties and therefore beneficial to health. In grapes, the amount of these substances depends on variety, agronomic techniques and terroir. This work, included in MINORVIN project, focuses in the polyphenolic profile of grapes of 6 white […]

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