Terroir 2014 banner
IVES 9 IVES Conference Series 9 Rootstock impact on foliar symptom expression of esca on Vitis vinifera cv. Cabernet-Sauvignon

Rootstock impact on foliar symptom expression of esca on Vitis vinifera cv. Cabernet-Sauvignon

Abstract

Trunk diseases and esca in particular, represent a major threat to the sustainability of the vineyards. The percentages of unproductive vines in a plot could vary from 4% to over 20 % depending on local conditions and vintages. 

This syndrome is characterized both by foliar symptoms of variable intensity and internal symptoms in the grapevine wood. These necroses induce vascular disorders on vine trunk. Most survey networks or other monitorings of plot generally show that the levels of leaf symptom expression of esca may depend on the cultivar and the soil x climate under which this crop is grown. It has been also shown that soil has a major effect on water status of grapevine. And the interface between ground and vine is provided by the rootstock. The study presents the results of an experiment carried out in a plot of Cabernet-Sauvignon in the Bordeaux region with twelve repeats of four different rootstocks over four vintages. Data suggest that one of the four rootstocks tested significantly led to less foliar symptoms of esca under these conditions. Among the three other rootstocks, there were some differences that could be reversed depending on weather conditions of the year. 

This breakthrough could be considered as an extra-element to add to all the criteria required for choosing a rootstock.

Download the PDF

DOI:

Publication date: August 18, 2020

Issue: Terroir 2014

Type: Article

Authors

JP Roby (1), S Mary (3), P Lecomte (2), and C Laveau (3)

(1) Univ. Bordeaux, ISVV, Bordeaux Sciences Agro, Ecophysiology and functional genomics of grapevines, UMR 1287, F-33140 Villenave d’Ornon, France 
(2) INRA, UMR1065 SAVE, Univ. Bordeaux, ISVV, BP 81, 33883 Villenave d’Ornon Cedex, France 
(3) Univ. Bordeaux, Vitinnov, ISVV, 1 cours du Général De Gaulle, 33170 Gradignan, France 

Contact the author

 

Keywords

esca, rootstock, soil effect, weather effect

Tags

IVES Conference Series | Terroir 2014

Citation

Related articles…

Soil survey and continuous classification for terroir delineation in the “Colli Orientali del Friuli” wine production area

The combination of a non-parametric dissimilarity index with auger boring recordings was tested in a project of soil suitability evaluation for quality wine production in a 2000-ha hill slope portion of the “Colli Orientali del Friuli” AOC district (Italy).
Read More

LC-MS based metabolomics discriminates premium from varietal chilean Cabernet Sauvignon cv. Wines

Aim of the study was to investigate the metabolomic differences between Chilean Cabernet Sauvignon wines, divided according to their quality in two main groups: “Varietal” and “Premium”, and to point out metabolites tentative markers of their chemical signature and sensorial quality. Initially, 150 (50 x 3 biological replicates) experimental wines were produced by the same semi-industrial process, which covered 8 different Chilean valleys. The wine classification made by experts, divided the wines into two major groups (“Varietal” and “Premium”) and four subgroups (two for each major group). All the samples were analyzed according to a robust LC-MS based untargeted work-flow (Arapitsas et al 2018), and the proposed minimum reporting standards for chemical analysis of the Metabolomics Standards Initiative (Sumner et al 2007)

Read More

Effect of nitrogen content on fermentation kinetics and aroma profile of assyrtiko wine

Today, there is need to design, produce and label terroir wines, with unique organoleptic properties and more “attractive to consumers”. For this purpose, two Saccharomyces cerevisiae yeast strains (Sa and Sb) isolated during spontaneous fermentations were used for white wine production from the Assyrtiko grape of Santorini. A third commercial strain was used as control.

Read More

Development of a strategy for measuring fruity aroma potential in red wine

Levels of esters derived from substituted acids increase during the first years of aging and some of them are strongly involved in red wine fruity aromatic expression.

Read More

Dalle zonazioni storiche alle “nuove forestazioni storiche produttive vitivinicole” per la valorizzazione delle cultivar e dei prodotti tipici ed originali dei Monti Iblei

Analisi sulle zonizzazioni storiche, sulle produzioni tipiche ed originali e sulla “forestazione classica” per impostare innovative zonazioni vitivinicole e dei prodotti tipici, originali attraverso la “Nuova forestazione storica produttiva”. Le recenti ricerche ed attività svolte sulle zonizzazioni storiche, sulle produzioni tipiche ed originali e sulla “forestazione classica” dei Monti Iblei (Ragusa) (I) hanno permesso di rilanciare le produzioni tipiche ed originali vitivinicole in un innovativo programma integrato tra zonazione (“Grande Zonazione”) e “Nuova forestazione storica produttiva” (“Grande Forestazione Produttiva”) di questo importante territorio.

Read More