Terroir 1996 banner
IVES 9 IVES Conference Series 9 L’étude “terroirs d’Anjou”: un exemple de caractérisation intégrée des terroirs viticoles, utilisable à l’échelle parcellaire

L’étude “terroirs d’Anjou”: un exemple de caractérisation intégrée des terroirs viticoles, utilisable à l’échelle parcellaire

Abstract

Natural factors of the production (“terroir” and vintage) are known as an important element for identifying wines by their genuine typicité and their authenticity. The program “Terroirs d’Anjou” (1994-1999) aims at bringing the necessary scientific basis for a rational and reasoned exploitation of the terroir. This study is based on a method of soil characterization called: “Basic Terroir Units” concept (UTB). This method integrates the three main physical components of the terroir (geology, soil, environment landscape). An viticultural survey is farthermore driven to take into account human factors of the terroir. The study contains 29 communes situated to the south of the Loire river and covers the “Coteaux du Layon” and “Coteaux de l’Aubance” areas. All the datas of the terroir characterization are spatialised within a Geographical Information System that allows the publishing of thematic maps. The concrete valorization of the work is to produce cartographie atlas at the disposal of wine­growers presenting the diverse “Basic Terroir Units”, and also advisory maps in order to optimise the wine-growers practises according to the terroir. Each map uses a large working scale (1:25 000) which allows for the results to be used for each parcel.

DOI:

Publication date: March 2, 2022

Issue: Terroir 1998

Type: Article

Authors

D. RIOUX, P. GUILBAULT, R. MORLAT

U.R.V.V. – Centre I.N.R.A. d’Angers – 42, rue Georges Morel – BP 57 – 49071 BEAUCOUZE Cedex – France

Tags

IVES Conference Series | Terroir 1998

Citation

Related articles…

Yield characteristics and environmental effects of plastic covers on table grape with relation to chemical, physical, radiometric and satellite analyses

Climate change poses a significant challenge for global viticulture, with growing evidence of its negative impact on thermal and hydric regimes, both of which are essential for the development of table grapes.

Evolution of the metabolic profile of grapes in a context of climate change

In the current context of global climate change, anticipating the evolution of the oenological potential of emblematic grape varieties of regions such as Burgundy and Champagne is a guarantee of the sustainability of a sector which has considerable economic weight. however, if various models of climate change cast doubt on the sustainability of these grape varieties in these regions, appellation decrees, as well as consumer expectations, do not allow or consider the use of alternative grape varieties. In addition, control/compensation methods such as irrigation are also not permitted.

«Observatoire Mourvèdre»: statistical modelling of quality for Cv. Mourvèdre

Vine cultivar Mourvèdre is present all around the Mediterranean area and is interesting for its tannins and the specificity of its aromas.

What to do to solve the riddle of vine rootstock induced drought tolerance

Climate change will increase the frequency of water deficit situation in some European regions, by the increase of the evapotranspiration and the reduction of rainfalls during the growing cycle. This requires finding ways of adaptation, including the use of plant material which is more tolerant to drought. In addition to the varieties used as scions that result in the typicality of wines, rootstocks constitute a relevant way of adaptation to more stressful environmental conditions.

Nutrient absorption in vines (Vitis vinifera L., cv. Tempranillo blanco) under two water management approaches in a semiarid region of the north of Spain

Two treatments were studied in vines of cv. Tempranillo blanco (Vitis vinifera L.) during the 2012-2018 period in an experimental plot located in Rincón de Soto (La Rioja, Spain). Rainfed treatment (R0) was compared with respect to an irrigation treatment (R2) equivalent to 30% of the crop evapotranspiration (ET0) from fruitset to harvest phenological stages. Pre-veraison irrigation ranged from 43 (2014) to 66 mm/m2 (2018) while post-veraison irrigation ranged from 37 (2017) to 115 mm/m2 (2012).The normalized difference vegetation index (NDVI) was assessed by measures of reflectance, nutrients were determined by analysis of petioles sampled at veraison, grape production was determined at harvest as well as renewable wood weight was assessed at pruning time.