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Flavescence dorée

The grapevine flavescence dorée phytoplasma disease belongs to the group of yellowing diseases. It was introduced to Europe from the Great Lakes region of North America in the 1940s. It appeared in France-Armagnac in the early 1950s and then spread epidemically to Italy, Spain and other countries. Corsica was hit hard because it has many susceptible grape varieties.

The strong spread is probably due to increasing climate change, as warmer regions are predestined for it. In terms of symptoms and effects, there are similarities with the grapevine diseases blackwood disease (with a similar pathogen) and Pierce's disease (with a bacterial pathogen).

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