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绿萝泡在水里为什么能生根发芽

更新时间: 2020-08-20 00:00:00     

绿萝叶节处有气生根,是帮助植株吸收空气中的水分,并帮助枝叶进行呼吸作用的, 气生根沾到土壤,或者插到水里后,就会萌发出大量的极细的须根,并进一步发展成为植株的着生根,这一段枝条就长成新的植株,因此,绿萝卜就生根发芽了。

关键词: 为什么 生根 发芽

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