冬季大棚温室蔬菜按常规管理法,黄瓜自生根在10℃以下,嫁接根在3℃以下,辣椒、茄子在14℃以下,生长受到影响,甚至发生冻害。如果采取相应措施,黄瓜自生根可忍耐6￣7℃低温,嫁接根可忍耐1℃低温,辣椒、茄子根在5～7℃低温下,不受冻害。而如果采用室内加温法防冻,易造成烟害和忽 Greenhouse vegetables in winter greenhouse according to the conventional management method, the cucumber rooting below 10 ℃, grafting roots below 3 ℃, pepper, eggplant at 14 ℃ or less, the growth affected, and even the occurrence of frost damage. If you take appropriate measures, cucumber can tolerate the root of 6 ~ 7 ℃ low temperature, root can tolerate 1 ℃ low temperature, pepper, eggplant roots at 5 ~ 7 ℃ low temperature, free from frost damage. And if using indoor heating antifreeze, easy to cause smoke damage and suddenly