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温棚蔬菜由于其特殊的环境条件，病害发生比较严重，采用喷雾法防治既费时费力又增加棚室湿度；使用烟剂，防治效果较好，但烟剂要求棚室密闭良好，且燃烧分解后产生的有害废气对附近的植株易引起药害；粉尘法施药技术，具有省时、省力、防效高、效益显著等特点。笔者自１９９
Greenhouse vegetables due to its special environmental conditions, the occurrence of more serious diseases, the use of spray method is both time-consuming and laborious to increase greenhouse humidity; the use of tobacco, control effect is better, but the smoke requirements of airtight room well, and combustion decomposition Hazardous waste gas generated in the vicinity of the plant easily lead to phytotoxicity; dust method application technology, with time-saving, labor-saving, high efficiency, significant benefits and so on. The author since 199