在阳台上荷花不开花怎么办?阳台上荷花不开花的原因

植物图片 2019-08-25 11:04

盆栽荷花的生长是非常需要光照的,所以通常都将它摆在阳台上养护,这样更容易开花,但在阳台上荷花不开花怎么办呢?这种情况通常都不是光照引起的,应该考虑其他的因素,比如说植株过密、栽种不当等原因,适度解决就能够正常开花的。

一、阳台上荷花不开花的原因

1、植株过密

这里说的植株过密,是指花盆内有多株荷花造成的,由于叶子密度过大造成互相遮挡,也会造成植株通风不良,从而影响花朵的开放。

【解决方法】:如果花盆不是很大的话,最好只栽一株,这样就不会造成植株过密的情况了。如果叶子过密,就需要及时的对荷花进行疏剪,增加透光通风性,还能节约养分促进开花。

2、栽种不当

在栽种荷花的时候,一定要注意深度,如果栽种过深会造成荷花的根系透不过气,造成花芽分化受到影响;如果栽种过浅,根系就没办法固定住,会影响根系正常的生长,也就无法开花。

【解决方法】:通常将小型的荷花藕种埋在淤泥深度在17~20厘米的地方,如果是大型的荷花,那就埋在深达30厘米的地方。如果栽种不当,可以适度的移动一下根系,让它更好的生长。

3、容器透光

想要荷花花芽分化,就需将其种植在一个相对密闭不透光的容器中,如果栽培容器是玻璃花盆,造成根系见光,则非常不利于花芽的分化,会造成根系发育不良影响开花的。

【解决方法】:在栽培荷花的时候,一定不要用透明的容器,如果已经用了,那就用黑布将整个容器包裹起来,让根系不见光。

4、氮肥过量

在给荷花施肥的时候,如果施加了过多的氮肥,则会造成枝叶徒长而不开花,由于氮肥促进枝叶的生长,会将养分重心移到枝叶上,从而造成不开花。

【解决方法】:在荷花的花期之前,一定要减少氮肥的施用量,增施磷钾肥料,这样能够促进花芽分化,能够提高开花的质量与数量。

二、荷花开花后的养护方式

1、适度追肥

知道了在阳台上荷花不开花怎么办,花后的养护也不能落下。在荷花开花之后,会消耗大量的养分,如果不及时的施肥,会影响植株的生长速度。为了保证荷花谢后果实的形成与植株的成长,需要及时的给补充一些磷钾肥。

2、病虫防治

在荷花开花之后,有可能会遭受病虫的侵害,影响植株的发育与果实的形成。可以在荷花的花盆中放一些香艳的烟丝与烟蒂,其中的尼古丁有着杀虫的作用。

3、控制水量

在荷花花朵凋谢之后,马上就会结出莲蓬,而立秋的时候埋在淤泥中的莲藕也会开始生长,在摘除莲蓬后,浇水的时候不要将水浇进荷花的茎干里面,这样会让藕种无法呼吸造成腐烂的。

4、防寒处理

荷花开花结果之后就会入秋,气温也会逐渐的降低,在进入冬天之前我们要做一些防寒的处理,盆栽的荷花很容易就能过冬的,直接将其移到室内即可。如果不能移动,那就将藕种深埋在冻土壤层以下的位置。

看完上面的内容,相信大家应该知道阳台荷花不开花的原因了,适度的改善养护环境之后,通常都是能够开花的。

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