温室大棚蔬菜施药防治病虫害,传统的喷雾施药法不但易使棚室内的湿度增大,加重病虫害的发生,而且还容易传播病菌。采用下面的棚室施药新法,既可弥补传统的喷雾施药法的种种弊端,又简单易行,防效显著。1 隐蔽施药法 即把杀虫剂、杀菌剂加工制成种衣剂,片剂或颗粒剂施入土壤内,使作物通过根系吸收传导到植物的各个部位,从而达到防治病虫害的目的。试验表明,棚室内采用隐蔽施药法施药,对蚜、螨及地下害虫的防效可达95％以上。2 烟雾施药法 即用特制的烟雾剂在棚室内点燃,利用弥散在空气中的烟雾来杀虫灭病,棚室内常用的烟剂有百菌清、速来 Greenhouse vegetable pesticide application prevention and control of pests and diseases, the traditional spray application method is not only easy to make the greenhouse humidity increases, increasing the occurrence of pests and diseases, but also easy to spread germs. The following new method of greenhouse application can not only make up for the shortcomings of the traditional spray application method, but also simple and effective. A hidden application method that the insecticides, fungicides processed into seed coating, tablets or granules applied to the soil, so that crops through the root absorption transmission to various parts of plants, so as to achieve the purpose of pest control. Experiments show that the shed indoor application of concealed pesticides, the control effect of aphids, mites and underground pests up to 95%. 2 smoke application method that is made of a special aerosol in the shed light, the use of the smoke dispersed in the air to kill insects, sheds commonly used tobacco agents chlorothalonil, speed to