[Too many mistakes in Peronospora control [grapevine, Piedmont]]

application rates chemical control dose d'application dosi di applicazione enfermedades fungosas environmental factors equipo para control de plagas facteur du milieu factores ambientales fattori ambientali fongicide fungal diseases fungicidas fungicides fungicidi infection infezione lutte chimique maladie fongique malattie fungine pest control equipment piamonte piedmont piemont piemonte plasmopara vitis vinifera