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GTDfree project strategy

GTDfree820px

To provide the Cognac vineyard, but also French and other international vineyards, with solutions to control GTD 

GTD are characterised by the steady development over the years of pathogens and necroses in the grapevine wood. The objective of the project is to act at key points in order to limit the development of wood necroses.

In previous studies, three types of factors have been identified as favouring the development of wood necrosis :

  • predisposing factors (genotype, plant anatomy, vine age, soil type, etc.);
  • contributing factors (pathogens, microbial balance);
  • aggravating factors (cultural practices, climate change, chemical pollutants).

The GTDfree project aims at setting up an agroecological protection strategy based on the combination of three major concepts:

  • innovative cultural practices ;
  • biocontrol ;
  • plant genetic improvement.

The implementation of this strategy requires the acquisition of new knowledge based on three axes of research :

  • Analysing and understanding the influence of environmental factors on the spread of diseases;
  • Investigating the composition, localisation and functioning of micro-organisms involved in these diseases;
  • Studying the tolerance of grapevine trunk diseases in vineyards

Expected results at short and long terms

GTDfree strategie EN