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许多普通农药经“点化剂”点化后表现出高效。下面介绍几种“点化剂”的使用方法。 1 高脂膜或京ZB膜 70%甲基托布津1000倍液加上200倍的高脂膜溶液,在花后期施用能有效防治苹果霉心病,单独喷施30～50倍液的高脂膜或京ZB膜亦能很好地防治棚室黄瓜的白粉病;150倍液的高脂膜在早春可用做果树的防冻剂,使用时间分别是2月10日、2月25日和3月15日。 2 淀粉或面粉 主要是增加药液的粘度,尤以触杀为主的农药效果最佳。用量为药液重量的0.2%～
Many common pesticides by the “point agent” after the point of high efficiency. Here are some of the “point agent” to use. 1 high-fat film or Beijing ZB film 70% thiophanate-methyl 1000 times plus 200 times the high-fat film solution, the late flowering can effectively control the apple mold heart disease, 30 to 50 times the liquid spray alone high-fat film Or Beijing ZB film can also be very good control of greenhouse cucumber powdery mildew; 150 times the high-fat film can be used as fruit trees in early spring antifreeze, the use of time is February 10, February 25 and March 15 day. 2 starch or flour is mainly to increase the viscosity of the liquid, especially the best contact with pesticides. The dosage is 0.2% of liquid weight ~