Terroir 2006 banner
IVES 9 IVES Conference Series 9 High resolution remote sensing for mapping intra-block vine vigour heterogeneity

High resolution remote sensing for mapping intra-block vine vigour heterogeneity

Abstract

In vineyard management, the block is considered today as the technical work unit. However, considerable variability can exist inside a block with regard to physiological parameters, such as vigour, particularly because of soil heterogeneity. To represent this variability spatially, many measurements have to be taken, which is costly in both time and money. High resolution remote sensing appears to be an efficient tool for mapping intra-block heterogeneity. A vegetation index, the Normalized Difference Vegetative Index (NDVI), calculated with red and near infrared leaf reflectance can be used as a vine vigour indicator. Because of the cultivation of vines in rows, a specific image treatment is needed. Only high resolution remote sensing (pixels less than 20 cm per side) allows the discrimination between row pixels and inter-row ones. The significant correlation between NDVI and pruning weight and the possibility to map the vigour with the NDVI by means of high resolution remote sensing, show the ability of NDVI to assess intra-block variations of vine vigour.

DOI:

Publication date: December 22, 2021

Issue: Terroir 2006

Type: Article

Authors

Elisa MARGUERIT (1), Anne-Marie COSTA FERREIRA (1), Cloé AZAÏS, Jean-Philippe ROBY (1), Jean-Pascal GOUTOULY (2), Christian GERMAIN (1), Saeid HOMAYOUNI (1) and Cornelis Van LEEUWEN (1)

(1) ENITA de Bordeaux, 1 cours du Général de Gaulle, CS 40201, 33175 Gradignan cedex, France
(2) INRA de Bordeaux, Domaine de la Grande Ferrade, 71, avenue Édouard Bourlaux B.P. 81, 33 883 Villenave d’Ornon cedex, France

Contact the author

Keywords

vine, Vitis vinifera L., remote sensing, high resolution, pruning weight, NDVI

Tags

IVES Conference Series | Terroir 2006

Citation

Related articles…

An exploration of South Tyrolean Pinot blanc wines and their quality potential in vineyard sites across a range of altitudes

Aim: Pinot Blanc is the third most planted white wine grape in northern Italy’s region of South Tyrol, where small-scale viticultural production permits the examination of the wine’s diverse expressive potential in a small area across a wide range of climatic variables. This study aimed to explore the qualitative potential of Pinot Blanc across a range of climatic variation leading to site-specific terroir expression in a cool climate region.

Amphora Wines: To Pitch Or Not To Pitch

Amphora wines are known in Portugal as Vinhos de Talha. In this technology, alcoholic fermentation takes place in clay vessels that traditionally were pitched inside using pine pitch. Vinhos de Talha has a distinctive sensorial profile, due to the ancestral technique of vinification. However nowadays, some clay vessels are impermeabilized with other materials than pitch, such as bee wax and mainly epoxy resins.

Investigation on the potentiality of a biostimulant by Fabaceae tissues and rich in triacontanol to enhance grapevine resilience under drought stress

The primary objective of this research was to investigate the potential benefits of a Fabaceae-based product rich in triacontanol (a long-chain alcohol) applied to Vitis vinifera cv. Merlot, on key physiological and productive parameters of grapevines under controlled water stress conditions.

Reasoning a Terroir policy on the basis of the prospective study of the French wine sector

The prospective study of the French wine sector (Sebillotte et al., 2004) has identified “groups of micro-scenarios” at the end of the analysis of the characteristics of this wine sector.

The wine country, between landscape and promoting tool. The example of Chinon and Saint-Nicolas-de-Bourgueil vineyards (France)

When talking about wine, terroirs are never too far. The National Institute of Apellation d’Origine (INAO) defines it as a system inside of which interact a group of human factors, an agricultural production and a physical environment.