Fungicide Resistance is a real issue in the grape industry in regards to powdery mildew control. Growers need to take this seriously and be able to recognize signs of it in their vineyards; however, sometimes what may appear to be a resistance problem may actually be an issue of poor sprayer calibration/coverage. Watch this brief video with Research Plant Pathologist …
Terrence Wilson: Re repellent sprays, which ones? How close to harvest can they be used, and what...