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蔷薇为什么不开花

更新时间: 2020-10-14 00:00:00     

蔷薇不开花主要有两个原因:

1、光照不足,花芽无法分化。蔷薇属强阳性花卉,喜欢土壤湿润不积水,高温高光照环境下生长良好。

2、株苗太小或浇水量大枝条徒长。徒长会让营养全部供应枝叶生长,无能力供应开花需要。控制浇水,疏剪枝叶增加枝叶间的通风透光效果,可使蔷薇花开茂盛。每周喷施一次磷酸二氢钾,可促使花芽分化早日开花。

关键词: 蔷薇 为什么 开花

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