怎样对花卉进行分株繁殖?
分株繁殖多用于宿根性草本花卉,有时为实行老株更新,亦常采用分株法促进新株生长。
块根分株繁殖:如大理花的繁殖,可将块根切开(每块必须有芽)另植一处,即繁殖成一新植株。球茎类的分株繁殖:如唐菖蒲、郁金香、小苍兰、晚香玉等。将其球茎鳞茎上的自然分生小球进行分栽,培育新植株。根据挖球及种植的时间来定繁殖季节。
根茎类的分株繁殖:如美人蕉、竹类等,在每一长根茎上用利刀将带3~4个芽的部分根茎切开另植。宿根植物分株繁殖:丛生的宿根植物在种植多年后,因株丛过大,可在春、秋二季分株繁殖。结合翻盆,在根系多处自然分开,一般分成2~3丛,每丛有2~3个主枝,再单独栽植,如萱草、鸢尾等。
丛生型灌木的分株繁殖:将丛生型灌木花卉,在早春或深秋掘起,将其分为2~3株栽植,如腊梅、南天竹、紫丁香等。或将母体根部发生的萌蘖,带根分割另行栽植,如文竹、迎春、牡丹等。
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