黄瓜花打顶又称顶头花,日光温室和春大棚黄瓜发生较严重,若管理不当,不仅使收获期延后,且造成减产。 症状与诊断 在苗期或定植后不久植株停止生长,生长点附近节间缩短形成雌花与雄花朵合在一起的花簇,瓜秧顶端不生成心叶而呈花抱头现象;幼瓜畸形,长不大。 发病原因 棚室栽培的黄瓜,生长前期处于寒冷 Cucumber flower topping, also known as head flowers, greenhouse and spring greenhouse cucumber more serious, if not properly managed, not only delay the harvest period, and cause cut. Symptoms and Diagnosis The plants stopped growing at the seedling stage or soon after planting. The internodes shortened at the growth points to form flower clusters in which female flowers and male flowers were combined. Not long. Cucumbers cucumbers, the pre-growth period is cold