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黄瓜喜温不耐寒。河北东北部地区日光温室栽培的越冬茬黄瓜,在深秋、严冬或早春季节,常因寒流或早霜晚霜等受寒害或冻害。另外,春季的倒春寒也应引起菜农的足够重视。这样的情况都容易造成低温障碍,严重影响日光温室越冬茬黄瓜的生长,甚至死秧,严重减产。因此生产上,菜农应密切关注天气变化,加强管理,确保黄瓜生长不受寒流等不利因素影响。
Heather temperature is not cold cucumber. Overwintering cucumber cultivation in the greenhouse in the northeastern part of Hebei Province is often affected by cold or frost and night frost or other frost damage in late autumn, winter or early spring. In addition, the late spring should also attract enough attention of vegetable growers. Such conditions are likely to cause low temperature disorders, seriously affecting the growth of winter greenhouse cucumbers in the greenhouse, and even dead seedlings, a serious cut. Therefore, production, vegetable farmers should pay close attention to changes in the weather, strengthen management, to ensure cucumber growth from cold and other unfavorable factors.