冬季气温较低、雾雪天气较多,棚室通风受到限制,造成局部湿度较大。烟雾剂因其分散充分均匀,又不增加棚室湿度,成为冬季棚室病虫害防治首选。近期调查过程中发现,个别棚室烟雾剂使用不当,产生药害。在此,植保部门提醒广大农户应谨慎使用烟雾 Lower winter temperatures, fog and snow more, greenhouse ventilation is limited, resulting in greater local humidity. Aerosol due to its decentralized uniform, without increasing the humidity of the greenhouse, a winter greenhouse pest control preferred. During the recent investigation, it was found that improper use of individual booth aerosols resulted in injury. Here, the plant protection department reminds farmers should be careful use of smoke