冬季大风降温天气较多,设施蔬菜易发生低温高湿型病害。发病后,尽量采用烟雾剂熏烟或常温烟雾机施药防治,减少病害发生与蔓延,以免造成损失。秋冬茬番茄晚疫病、灰霉病晚疫病是番茄的毁灭性病害,具有蔓延迅速的特点,短时间内即可扩展至全棚,导致提早拉秧。而冬季雾霾天气偏多,也使番茄灰霉病有了加重发生的趋势。若要预防,应合理密植,采用配方施肥技术,加强田间管理,及时整株打杈,提高植株抗病能力;夜间覆盖草帘或保温被,有条件的棚室应采取其他棚内 Winter wind cooling more weather, facilities, vegetables prone to low temperature and humidity type of disease. After the onset, as far as possible the use of aerosol fumigation or smoke control at room temperature, reduce the occurrence and spread of diseases, so as to avoid loss. Autumn and winter stubble tomato late blight, gray mold late blight is a devastating tomato disease, with the characteristics of rapid spread, can be extended to a short period of time to the whole shed, leading to early Ra seedlings. The winter haze weather is too much, but also to increase the occurrence of tomato gray mold disease trend. To prevent, should be reasonable and close planting, the use of formula fertilization technology, strengthen field management, timely whole plant twigs, improve plant disease resistance; night covered straw curtain or insulation, conditional sheds should be taken to other shed