利用烟雾剂防治大棚果蔬等病虫害,是通过农药汽化后冷凝成烟雾颗粒或直接把农药分散成烟雾微粒来防治病虫害的技术,具有药效高、残留量低,且省工、省时、省药。应用此项技术要注意以下几点:一、选择好施放时间:在日光照射下,因植株温度与烟雾温度相同,烟雾不 The use of aerosols to control greenhouse pests and diseases such as insects and pests, is condensed through vaporization of pesticides into smoke particles or pesticides dispersed into smoke particles to control pests and diseases of the technology, with high efficacy, low residue, and labor-saving, time-saving, provincial medicine . Application of this technology should pay attention to the following points: First, choose a good cast time: Under daylight, due to plant temperature and the same temperature of the smoke, the smoke is not