“Flavescence dorée” impacts growth, productivity and ultrastructure of Vitis vinifera plants in Portuguese “Vinhos Verdes” region

“Flavescence dorée” (FD) is a quarantine disease associated with the presence of a phytoplasma transmitted by the insect vector Scaphoideus titanus. This disease affects grapevines and is of a great concern to the stability and sustainability of the wine industry, due to the harvest losses and death of infected plants. In Portugal, FD has seriously affected the “Vinhos Verdes” region, but so far the research on this topic is very limited. The...