20%百·腐烟剂防治番茄灰霉病的田间药效试验结果表明,施用20%百·腐烟剂防治番茄灰霉病效果好,用量200～250g/667m2为宜,在发病初期连续熏烟3～4次,间隔7d左右,操作简单方便对人和作物安全。 The results of field efficacy test of 20% 100% anthocyanin on the control of tomato gray mold showed that the effect of applying 20% ​​100% tobacco on controlling Botrytis cinerea was good and the dosage was 200 ~ 250g / 667m2. Smoke 3 to 4 times, about 7d intervals, the operation is simple and convenient for people and crop safety.