近年来 ,保护地蔬菜种植面积迅速扩大。由于受温室内外气候影响较大和多年连作的影响 ,致使温室蔬菜尤其是温室黄瓜发生的生理性病害较多。导致温室黄瓜生理性病害的主要因子有 :低温障碍、肥害、缺素症、激素中毒和药害等。一、低温障碍及其防御１．低温障碍的几种表现症状及 In recent years, the planting area of ​​protected vegetables has rapidly expanded. Due to the influence of the climate inside and outside the greenhouse and the impact of many years of continuous cropping, resulting in greenhouse vegetables, especially greenhouse cucumber physiological diseases occur more. The main factors leading to physiological diseases of cucumber in greenhouse are: hypothermia, fat loss, deficiency, hormone poisoning and phytotoxicity. First, hypothermia and its defense 1. Several manifestations of hypothermia and symptoms