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用烟雾剂防治棚菜病虫害,不受天气影响,烟雾渗透力强,施药均匀无死角,治病治本,治虫彻底, 而且防治过程中无需加水配兑,有利于降低温棚内的空气湿度,减少病害发生。使用烟雾剂应把握以下几点: 严密封闭:使用烟雾剂防治大棚病虫害前,要使棚面封闭严实,以提高防治效果。
Insect pests and diseases with insecticide prevention and control vegetables, insensitive to the weather, strong penetration of smoke, spray evenly without dead ends, cure, pest control thoroughly, and the prevention and treatment process without adding water, is conducive to reducing the air humidity within the greenhouse, Reduce the occurrence of diseases. The use of aerosols should grasp the following points: Closely sealed: the use of aerosols to prevent greenhouse pests and diseases before, to make the shed closed tightly to enhance the control effect.