人们一般把供瓶插和花束用的花卉称为切花 ,它们多半是 1～ 2年生的草花和球根花卉 ,有时也可以用木本花卉。但所有的切花离开了母体往往过不了几天就会萎蔫。那么怎样才能延长切花的寿命呢 ?要使植物不发生萎蔫 ,主要是解决水分供应问题。保证切花枝条里导管的畅通 ,是延长切? People generally referred to flowers for bottle vase and flower bouquet as cut flowers, most of which are 1 to 2 year-old grass and bulbous flowers, sometimes using woody flowers. However, all cut flowers often leave the mother wilted in a matter of days. So how can we extend the life of cut flowers? To make plants do not wilting, mainly to solve the problem of water supply. To ensure the flow of cut flowers in the branches, is to extend the cut?