Rutgers Cooperative Extension at the New Jersey Experiment Station
Plant & Pest Advisory
Alert Authors: Holmstrom/Mahar/WyenandtPest: Cucurbit downy mildew
Found: Cucurbit downy mildew has been confirmed on pumpkins in Middlesex County. This is the first report on pumpkin this growing season.
Crop(s) at risk: all cucurbit crops in New Jersey.
Potential impact: Significant losses will occur if not controlled properly
What growers should do: Control of Downy mildew begins with regular scouting, recognizing symptoms and weekly protectant fungicide applications. The following are the most effective materials: Vegetable alert - Cucurbit downy mildew 8-10-2012
Once Downy mildew has been detected in the state or region, basic fungicide maintenance programs for cucurbit crops should be adjusted to include fungicides for downy mildew control.