terclim by ICS banner
IVES 9 IVES Conference Series 9 The role of vine trunk height in delaying grape ripening: insights for viticultural adaptation strategies

The role of vine trunk height in delaying grape ripening: insights for viticultural adaptation strategies

Abstract

Global changes in temperature patterns necessitate the development of viticultural adaptation strategies. One promising approach involves modifying the training system and elevating trunk height. This study explored the potential of raising the vine trunk as an adaptive strategy to counteract the effects of increasing temperatures and delay ripening. Thermal conditions, radiation levels, and must composition were measured at different heights (10 and 150 cm) in a commercial vineyard of the minority variety Maturana Blanca, trained on a vertical cordon. The results showed a significant delay in grape maturation in the upper part of the vertical cordon, characterized by lower Brix levels and higher titratable acidity than the lower section. These outcomes can be partly explained by observed variations in the Winkler index measured inside the canopy, indicating a 15.59% reduction in the upper zone. However, the radiation percentage in the fruiting zone was significantly higher in the upper part of the vine. In summary, the change in trunk height significantly impacted grape ripening. The study underscores vineyard management’s importance in improving wine quality and preserving its typicity. These findings open avenues for future research, guiding potential adjustments in viticultural practices under evolving environmental conditions.

DOI:

Publication date: June 13, 2024

Issue: Open GPB 2024

Type: Poster

Authors

Miguel Puelles1*, Pedro Balda2, Andreu Mairata1, David Labarga1, Álvaro Galán1, Fernando Martínez de Toda1, Alicia Pou1

1Instituto de Ciencias de la Vid y del Vino (CSIC, Gobierno de la Rioja, Universidad de La Rioja), Finca La Grajera, Ctra. Burgos Km. 6, 26007 Logroño, Spain
2Universidad de La Rioja, c/ Madre de Dios, 51, 26006 Logroño, Spain

Contact the author*

Keywords

climate change, temperature gradient, viticulture, training system, vertical cordon

Tags

IVES Conference Series | Open GPB | Open GPB 2024

Citation

Related articles…

RED WINE AGING THROUGH 1H-NMR METABOLOMICS

Premium red wines are often aged in oak barrel. This widespread winemaking process is used, among others, to provide roundness and complexity to the wine. The study of wine evolution during barrel aging is crucial to better ensure control of wine quality.
¹H-NMR has already been proved to be an efficient tool to monitor winemaking process [1]. Indeed, it is a non-destructive technique, it requires a small amount of sample and a short time of analysis, yet it provides clues about several chemical families.

Effets des pratiques agro-viticoles sur l’activité biologique et la matière organique des sols : exemples en Champagne et en Bourgogne

The notion of terroir covers multiple components, from geology, pedology, geomorphology and climatology (Doledec, 1995), to aspects that are less well identified but which also intervene in the “typicality” of wines. This justifies the “zoning” approach (Moncomble and Panigaï, 1990) to define homogeneous areas, under the same agro-viticultural management and also identified at the product level (Morlat and Asselin, 1992).

Grapevine adaptation to drought and resistance to Neofusicoccum parvum, causal agent of Botryosphaeria dieback

The sustainability of viticulture in response to climate change has been addressed mainly considering agronomic impacts, such as water management and diseases, either separately or together.
In grapevines, there is strong evidence that different genotypes respond differently to biotic and abiotic stresses. A screening was conducted on various local cultivars in response to drought and Neofusicoum parvum infection aiming to evaluate their susceptibility to abiotic stress and resistance to fungal diseases.

Impact of malolactic fermentation on volatile composition and sensory properties of white and rosé wine from the greek variety moschofilero

Moschofilero is a native grape variety, classified as a ‘gris’ type variety, that is cultivated in PDO Mantineia, Peloponissos, Greece. It is used for the production of both white and rosé wines. Due to high altitude of the vineyards, the harvest is done by mid October, and many vintages are characterised by high acidities and low pH values.

Monitoring of microbial biomass to characterise vineyard soils

Le sol est un facteur important permettant la croissance de la vigne. Les propriétés physiques et chimiques, mais aussi microbiologiques ont une influence sur beaucoup des fonctions du sol comme la structure, le drainage, la fertilité, déterminant la vigueur des plantes et le potentiel œnologique des raisins.