Terroir 2016 banner
IVES 9 IVES Conference Series 9 Understanding and managing wine production from different terroirs

Understanding and managing wine production from different terroirs

Abstract

A « terroir » is a cultivated ecosystem in which the vine interacts with the soil and the climate. Main climatic parameters include temperature, rainfall and reference evapotranspiration. Vine phenology and grape ripening is mainly driven by air temperature, but also by soil temperature. Soil provides water and minerals to the vine, in particular nitrogen. Over the past decades, tools have been developed to quantify terroir parameters. Small scale weather stations can yield temperature data at high resolution which can be used to provide refined maps of temperature summations. Models have been developed to predict phenology in relation to temperature. Vine water status can be assessed with a pressure chamber, or by means of carbon isotope discrimination measured on grape sugar (so-called δ13C). Vine nitrogen status can be assessed with the measurement of yeast available nitrogen (YAN). In this way, terroir parameters can not only be measured but also mapped. This approach allows precise vineyard management to optimize terroir expression, through plot selection, the choice of appropriate plant material in relation to soil and climate, vineyard floor management, fertilization and training system.

DOI:

Publication date: June 23, 2020

Issue: Terroir 2016

Type: Article

Authors

Cornelis VAN LEEUWEN, Jean-Philippe ROBY and Laure de RESSEGUIER

Bordeaux Sciences Agro, ISVV, UMR EGFV, 33882 Villenave d’Ornon, France

Contact the author

Keywords

terroir, climate, soil, temperature, water status, nitrogen status, phenology, modeling, vineyard management, plant material

Tags

IVES Conference Series | Terroir 2016

Citation

Related articles…

An online training tool for wine professionals around the world: from responsible service to a sustainable consumption of wine

Most consumers enjoy wine in moderation, however, there remains a minority that may develop risky drinking habits, potentially harming themselves and those around them. For the last fifteen years, a prime objective of the wine in moderation programme has been to educate and empower the wine sector and now for the first time, a central education tool has been developed, integrating the topic of moderate consumption horizontally in all wine activities. The entire wine value chain – from the producer to the salesperson to the restaurant service staff – can contribute to reduce harmful consumption and encourage responsible drinking patterns.

Strigolactones as possible elicitors in sunburn defense mechanisms in grapes: preliminary results

Due to altered climatic conditions, grape berry sunburn has become one of the main challenges in contemporary viticulture.

Starmerella bacillaris grape treatment as a sustainable approach to manage Botrytis cinerea during the withering process

Growing concerns over the environmental and health risks posed by chemical pesticides have highlighted the need to reduce their use in the agri-food sector.

Methyl jasmonate versus nano-methyl jasmonate. Effect on the tannin composition of monastrell grapes and wines

Tannins are very important for grape and wine quality, since they participate in several organoleptic wine characteristics such as astringency perception, bitterness, and the colour stability. The compositions in tannins in grapes and wines differs between seeds and skins. Tannin seeds contain a higher concentration of tannins than skin and has been associated with a coarse and more tannic notes in wines, by contrast, tannin skin are related to a greater softness in the wines.

Grape composition and wine quality of Muscat Hamburg cultivar after a specific inactivated dry yeast application as adaptation strategy to climate change

In a climate change context, the management of Mediterranean vineyards should be adapted to the new environmental conditions. Predictive models underline that in the future the most of the Mediterranean vineyard regions is expected to experience further warming events producing challenges in ripening balanced fruit. It is already registered that in warm and dry summers, the ripening process is faster and the balance between phenolic and technological (sugar) maturity may not be the desirable. This study investigates the use of specific inactivated yeast derivatives sprayed on the entire canopies of field grown cv Muscat Hamburg vines.