Abstract
The State of São Paulo is the third largest grapevine grower in Brazil and the largest producer of common grapes. The occurrence of diseases is one of the main problems faced by producers, due to the potential damage that can cause in the production. Among the diseases with the higher impact in the vineyards of São Paulo, downy mildew (Plasmopara viticola) and rust (Phakopsora euvitis) ar…