大棚、温室蔬菜的生产,由于植株生长郁闭,棚、室低矮,常规喷药很难均匀,加之需要大量配药用水,增加棚、室相对湿度,反而为病害发生创造有利条件。本项技术是一种不需药械,以烟剂形式施放农药的新技术。对保护地黄瓜霜霉病、番茄晚疫病、韭菜灰霉病等防效显著,杀菌谱广,具有 Greenhouses, greenhouse vegetables production, due to the growth of plant closed, shed, low room, conventional spraying is difficult uniform, combined with the need for a large number of pharmaceutical water, shed, room relative humidity, but to create favorable conditions for the occurrence of the disease. This technology is a new technology that dispenses pesticides in the form of tobacco smoke without the use of medical devices. On the protection of cucumber downy mildew, tomato late blight, leek Botrytis and other control effect was significant, broad spectrum sterilization, with