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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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COST Action FA1303

Cost Action FA1303
Europeen project COST Action FA1303, Sustainable control of grapevine trunk diseases, is finished now

The main objective of the action FA1303 was to improve management and control of GTD by acquiring knowledge on occurrence of pathogens, vine-pathogen interaction, ecology of microorganisms, to develop effective and sustainable management protocols, and to extend these to end users, i.e. vineyard operators and nurserymen.

The goal was to develop a network of European expertise to improve understanding of GTD by acquiring knowledge on occurrence of pathogens (WG1), vine-pathogen interaction (WG3), ecology of wood inhabiting microorganisms (WG2), and to develop new management protocols and biocontrol approaches (WG4).

  • WG1: a selection of 17 main pathogens to focus on their characterization; for us, approximately 30 GTD isolates per pathogen collected among members were sent to CBS to create a referent collection for theGTD researcher community. A review on the life cycle of main GTD pathogens has been done andavailable on the COST website. To isolate and identify easily these pathogens, a training school wasorganized. For epidemiology of GTD, a survey has been sent to participants of all COST Action countries toobtain a dataset on the incidence of GTD at the European level. The analysis of this dataset was presentedduring the both COST Action workshops. This dataset will be useful to establish experimental vineyards forGTD incidence analysis over the time. The choice of these experimental vineyards has been possiblethanks to the feedback of the survey (choice of the cultivar, rootstock, age).
  • WG2: a training school on the global approach to study the grapevine microbiome has been organized; the writing of a standard protocol is in process but basic information are available on the website. Finally, a collect of samples in different European countries such as Israel, Hungary, Italy and Austria started in 2016 and will continue thanks to the GTD free project.
  • WG3: the best analysis approaches to use (prote-, metabol- and transcript- omic) and the development of a simple model reproducing stem necrosis with/or without foliar symptoms were discussed. Moreover, a conceptual model of GTDs was presented, a such model is an added value for the COST Action members who participated to its validation and for a H2020 project. For the plant-pathogen interaction, we exchanged on the intra-Vinifera variability to identify resistance mechanisms or be combined with resistance genes identified in wild Vitis species for the development of cultivars with sustainable resistance, and also to identify and understand the phytotoxins activities and involvement on GTD emergence.
  • WG4: to manage GTDs in nursery, a survey on the grapevine propagation process has been sent to the main nurseries in each European COST countries and results were presented during the COST Action workshop in Cognac (2015) and a scientific paper was written. The next step which is in process is the writing of guidelines for nurserymen. As the survey underlined a lack on the research and the potential use of biocontrol agents in nursery, a special care was done. For the vineyard management, a survey was elaborated which was sent to vine-growers to have a feedback on the viticultural practices done to manage GTDs. This WG is strongly linked to end-users and companies, and also to the Winetwork project (H2020).

Synthesis of discussions during round tables of WG meetings are available on COST Action website.