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为什么减少光照会使菊花提早开放

更新时间: 2020-09-19 00:00:00     

菊花为短日照植物,一般日照时间,每日不宜超过10小时才能开花。要想使菊花提前开花,就必须控制日照时间。当菊花植株生长到一定阶段后,气温在25至30度时,每日日照时间控制在8至10小时以内,植株可在2个月至2个半月孕蕾开花。每天给菊花的遮光时间以早晚为宜。

关键词: 为什么 减少 光照 菊花 提早 开放

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