巴斯夫、陶氏益农公司都有新的杀菌剂available for grape growers for the 2004 season. Both products have been top performers in University of California tests over the last few years in the battle against grapevine powdery mildew (PM).Dow's Quintec has been used for several years in Europe as the mainstay for powdery mildew prevention. As part of a resistance management program, Quintec appears to be a great new tool because it is, chemically, a new approach. This is probably its g...