Pinot noir sample not inoculated, comparable to diseased plant at 3 days after infection
Vitis vinifera
Two-year-old plants of the international V.vinifera cultivar Pinot noir V. vinifera were grown in 5-L pots filled with sand-peat mixture (7:3 v/v), regularly watered via a drip system and fertilized twice a year with the controlled release fertilizer (19% N; 6 % P2O5; 11 % K2O; 2 % MgO; 0.5 % Fe) OsmocoteTopdress (ICL Specialty Fertilizers, ICL Italia Treviso), in greenhouse (24 °C, 16-h photoperiod, 70% relative humidity) at the Department of Agricultural and Environmental Sciences in Milan (Italy).