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Dernière mise à jour : Mai 2018

Menu Logo Principal ministère de l'Agriculture (DGER) CNIV Bordeaux Sciences Agro Université Champagne-Ardenne IFV ISVV

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GTDfree, latest events

GTDfree,  latest events
The GTDfree Industrial Chair, a significant project during the 10 years of the ISVV

Loris Ouadi PhD defense, December 17th, 2019

Ecophysiological impacts of Esca: grapevines resilience and influence of pruning systems (>>> more information)

Steering committees of the GTDfree project on June 12 and 23 September 23, 2019, in Cognac

Presentation of the main progress of the project (tasks 1 and 2)
Proposed control solutions against Esca:

  • Preventative (cultural practices / pruning)
  • Curative (curettage)
  • Preventive / Curative (control of a fungus involved in the formation of white-rot)

Influence on the vines of:

  • Grafting and ‘shape’ pruning (Hennessy demonstration vineyard n°1)
  • ‘Maintenance’ pruning (Hennessy demonstration vineyard n°2)

The meeting of September 23, 2019, was made in the presence of Mr. Bernard PEILLON (CEO of Hennessy), who approved that the UMR SAVE and Hennessy continue their collaboration with additional funding (over € 300k) allocated for the last 18 months of the project.

The GTDfree Industrial Chair, a significant project during the 10 years of the ISVV

For the ten years of the ISVV, Professor Alain Blanchard, Director of the Institute, talks about the main achievements and indicates that partnerships have been initiated with companies through the creation of chairs such as the industrial chair, GTDfree, focused on Grapevine Trunk Diseases (GTD), co-funded by Hennessy for a 4-year period (2016-2020) (interview in Vitisphère journal).

Hennessy Technical Forum, 13-17 May 2019

Steering committee of the Industrial Chair GTDfree

  • 2018, November 23th
  • ISVV, Bordeaux
  • programm

PhD thesis of GTDfree

  • March 7th, 2017, steering committee of Loris Ouadi’s PhD
  • 18-19 January 2018, presentation of a poster at the Young-Researchers Days SFR Condorcet, UPJV (Amiens) by A Songy, P Larignon, C Clément, F Fontaine: Project GTD free – « Impact of temperature and water stresses on the vine physiology and relation with Botryosphaeriaceae aggressiveness (see program)
  • December 7th, 2017, steering committee of Aurélie Songy’s PhD

GTDfree project has been selected as a key highlight by INRA « Nouvelle Aquitaine » region

  • document

Vigi-Esca application 

  • Pascal Lecomte initiated November 15th a group of selected winegrowers to this smartphone application, before its mid-term dissemination at the national level (see Vigi-Esca).

Tuesday 30 May in Bordeaux, meeting of the GTDfree project partners

The objective of the meeting is to take stock of the various research work packages and to make recommendations.

  • The initial results of those experiments that have already begun will be presented.
  • The experimental design of the actions about to be launched will be presented.
  • Details about the administrative part (conventions, funding) will be given

-> Download the program

Some views of the meeting

30mai 2017c
30mai 2017b
30mai 2017a

See also

  • First results

Cholet C, Lecomte P, Diarra B, Martignon T, Giudici M, Simonit M, Rey P, Geny L  (2017) Comparaison qualitative de moûts issus de ceps exprimant différents niveaux de symptômes foliaires d’esca. Poster présenté lors de la 4ème édition du Congrès International Wine Active Compounds 2017, sous les auspices de la Chaire UNESCO « Culture et Traditions du Vin » et de l’Institut « Jules Guyot » de l’Université de Bourgogne, Palais des Congrès de Beaune 29 au 31 mars 2017 (pdf)