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在黄瓜保护地栽培过程中,经常出现的一个生理性障碍就是化瓜。其症状就是刚做下的瓜钮或果实在膨大过程中停止生长,由瓜尖至全瓜逐渐变黄,干瘪,最后干枯脱落,俗称为化瓜。这种现象是由植株供应养分不足、栽培环境条件以及栽培品种等多方面的原因造成的,具体概述如下。一、发生原因1.品种。不同品种对水、肥要求不同,化瓜率也不一样。2.低温、高温等恶劣环境引起的化瓜。育苗期温度经常低于10摄氏度以下,会导致花
In cucumber cultivation in the process of protection, a physiological disorder is often the melon. The symptoms are just made of melon buttons or fruit in the expansion process to stop growing from the melon tip to the whole melon gradually yellow, shriveled, and finally dry off, commonly known as melon. This kind of phenomenon is caused by many reasons such as lack of nutrients supplied by plants, cultivation environment conditions and cultivars, etc., as summarized below. First, the reasons 1. Varieties. Different varieties of water, fertilizer requirements are different, melon rate is not the same. 2. Low temperature, high temperature and other harsh environment caused by melon. Nursery temperature often below 10 degrees Celsius, will lead to flowers