粉锈宁(Bay Meb 6447)是国外近年来新合成的杀菌剂,对作物白粉病、锈病的防治效果良好。据美国报道,在田间试验中,用25％粉锈宁可湿性粉剂拌种,每100公斤种子300～400克,防治小麦白粉病和锈病,残效期将近80天。1980年肯尼亚报道,用25％粉锈宁防治咖啡锈病,每次每公顷施 Triadimefon (Bay Meb 6447) is a newly synthesized bactericide abroad in recent years. It has good control effect on powdery mildew and rust of crops. According to the United States, in field trials, 25% triadimencin WP was used for seed dressing, with 300-400 grams per 100 kilograms of seeds, preventing and controlling wheat powdery mildew and rust, with a residual effect of nearly 80 days. In 1980, Kenya reported that 25% of triamcinolone should be used to control coffee rust, applying it at a time per hectare