如何防止花卉不开花
如何防止花卉不开花?花卉开花与否一方面受植物内部机制的影响,另一方面受外界环境条件的影响,二者缺一不可。
花卉和其他植物一样,要经过一定的营养生长阶段才能转入到生殖生长阶段,此时植株的部分顶芽或腋芽分化成花或花序原基,再逐步进行花芽分化。花卉开花必须在体内积累了一定的营养物质后,才能满足其开花所需要的物质。没有一定的营养物质积累,花蕾生长需要的养分就不够,因此植株不能开花。通常瘦弱的花卉不开花或开花稀少就是这个原因。
花卉开花还需要一定环境条件,花芽分化在适宜的环境条件下才能正常地进行。也就是说花芽分化既需要充足的养分和水分,对日照、温度等环境条件也有严格的要求,只有满足植物的这些要求,才能进行花芽分化,否则花芽分化不能进行,植物出现只长叶不开花的现象。
因此植物花的发育、形成和开放,既要有足够的物质积累,又必须有一个与之相适应的环境条件。
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