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黑法师砍头(图文)

木木
2017-05-22
年前给一株长歪了的#黑法师 砍头了,只留下一根光杆。年后回来发现已经冒出了无数个侧芽。看来以后这是一株群生盆景的好胚子。不过一刀切下去的时候可不能拖泥带水,要干劲利落。否则会造成撕裂型伤口,不容易愈合。不过,景天的顽强程度你是没办法想象的,当然前提是不能惯着。

“砍头”其实就是农作物生产里面的“摘顶芽”,这在植物学上叫“顶端优势”。植物在生长发育过程中,顶芽和侧芽之间有着密切的关系。顶芽旺盛生长时,会抑制侧芽生长。如果由于某种原因顶芽停止生长,一些侧芽就会迅速生长。这种顶芽优先生长,抑制侧芽发育等现象叫做“顶端优势”。因此,打掉顶芽,自然就冒出许许多多的侧芽了。这也是多肉植物一株变多株最迅速的办法,多肉大棚里面的繁殖多采用此法。



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