Monitoring Is Tine Key

摘要

Application timing and frequency are critical to early control of powdery mildew. WHILE unusually warm spring weather conditions cause most people to think about a good game of golf, growers should be thinking about early season powdery mildew controlin the vineyard. Grapevine powdery mildew, caused by the fungus Undnula necator, is a serious disease in terms of expense and losses in yield. Season-long control is highly dependent on reducing early season inoculum and subsequent infections. As with most pest products and fungicides, timing and frequency of treatment is everything.