天气预报 > 其他 > 绿萝扦插用一片叶会发芽吗
绿萝扦插用一片叶会发芽吗
更新时间: 2020-10-20 00:00:00  

扦插属于无性生殖。依选取植物不同营养器官作插穗,按取用器官的不同可分为茎插、根插和叶插三类。叶插只是在多肉花卉中应用。凡能用于叶插的种类大多具有肥厚的叶片,但很多种类叶片虽然肥厚,但叶柄和叶的任何部位都不能产生不定芽。因此,能进行叶插的仅限于几个科的种类。绿萝显然不属于此类。

通常绿萝的茎插法。春末夏初选取健壮的绿萝藤,剪取15厘米至30厘米的枝条,将基部1节至2节的叶片去掉后插入素沙或煤渣中,淋足水放置于荫蔽处,每天向叶面喷水或覆盖塑料薄膜保湿,只要保持环境不低于20℃,成活率均在90%以上。

关键词: 发芽

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