[The control of downy mildew in Friuli-Venezia Giulia [Plasmopara viticola - Vitis vinifera]]

agricultural warning services application date avertissement agricole chemical control clima climat climate control de enfermedades controllo delle malattie controllo integrato date d'application disease control enfermedades fungosas environmental factors epidemiologia epidemiologie epidemiology epoca di trattamento european union extension extension activities facteur du milieu factores ambientales fattori ambientali fongicide friuli venecia julia friuli venezia giulia fungal diseases fungicidas fungicides fungicidi infection infezione integrated control legislation legislazione lucha integrada lutte chimique maladie fongique malattie fungine peronospora plant protection plasmopara protection des plantes servizi di allarme agricoli unione europea vitis vinifera vulgarisation