A disease that leads to the death of the vine. The fungus eutypia lata gradually clogs the vessels of the trunk, the roots can no longer feed the plant. the leaves become stunted. No curative treatment to date, the only possible action is to regularly eliminate the dead strains to decrease the innoculum. It is also forbidden to leave piles of dead plants in the open air for the same reason, every time it rains, the fungus eutypia lata proliferates and contaminates new vines.