Table 2. Grapevine powdery mildew (Eryshiphe necator) field trial treatment description.
| Trial | Year | Treatment description a | Fungicide b /rates | Evaluation c |
|---|---|---|---|---|
| 1 | 2011 | Two bees Agric. Research, CA, USA | Non- treated | |
| Carignane | Blad-oligomer (540g/ha) | 13 July | ||
| (7 applications@10 day spray intervals) | Blad-oligomer (670g/ha | 8DAA7 | ||
| Pristine (335 g ai/ha) | ||||
| 2 | 2012 | Las Condes, Santiago, Argentina | Non- treated | |
| Cabernet Sauvignon | Blad-oligomer (335g/ha) | 5 March | ||
| (4 applications@14 day spray intervals) | Blad-oligomer (450g/ha | 14DAA4 | ||
| Folicur (170g ai/ha) | ||||
| 3 | 2012 | Madera, CA, USA | Non- treated | |
| Cabernet Sauvignon | Blad-oligomer (335g/ha) | 2 August | ||
| (2 applications@21 day spray intervals) | Blad-oligomer (450g/ha | 10DAA2 | ||
| Prisitne (335 g ai/ha) | ||||
| 4 | 2012 | Hillsboro, OR, USA | Non- treated | |
| Pinot Noir | Blad-oligomer (335g/ha) | 3 August | ||
| (6 applications@14 day spray intervals | Blad-oligomer (450g/ha | 14DAA6 | ||
| Pristine (335 g ai/ha) |
a Treatments were replicated 4 times on 5 vines/plot.
b Standards-industrial fungicides use: Prisitine—active ingredient: 12.8% Pyraclostrobin and 25.2% of Boscalid; Folicur—active ingredient: 20% TEBUCONAZOL.
c Evaluation for control was made at harvest. 8DAA7, means that the evaluation was made 8 days after application 7.