杜鹃花花蕾干枯的原因

植物图片 2019-09-21 12:06

如果说杜鹃花没有花蕾，可能只是时机未到或延迟开花什么的，但如果是花蕾都已经打苞准备开放的时候却干枯了，这肯定会让人抓狂不已的。那么，为什么好端端的花蕾会忽然干枯呢？小编通过查找相关资料总结了两条原因，花友可以参照这两条原因，对自己的杜鹃花进行排查。

杜鹃花花蕾干枯了

杜鹃花花蕾干枯的原因

一、不适应新环境；

如果花友新购入的杜鹃花是大棚花，原生长环境气温适合，湿度大。在买回家后由于经验不足以加上环境的变化，造成植株对新环境不适应，尤其时家庭环境空气大都干燥，原本生长发育良好的花蕾只好停止生长了，紧接着，干枯、萎缩、脱落。如果在不改善环境，增加适度，到时候植株就会一片凋零，叶子逐步干枯脱落，剩下孤零零的枝干，直至死亡。

二、发新芽抽死花；

冬天有供暖的室内气温通常在15-20度，这个气温很适合杜鹃生长发育，所以很容易萌发新芽，通常是在花蕾周围抽发新芽，在花蕾与新芽齐长的情况下，新芽就必然要争夺花蕾的养分了，当花蕾养分供应不足时，就会慢慢萎缩、干枯、掉落了。

杜鹃花花蕾

杜鹃花开花前期养护

（1）花前追肥。3月起，每隔15天施入1~2次氮磷结合以磷为主的稀薄追肥，以增加开花所需要的营养，促进花蕾饱满，开花大而色彩美。这样也可防止虽有蕾，但因营养不足，花蕾枯萎而开不出花。但要注意，切忌追施浓肥，否则，因肥料过多，也会造成花蕾枯瘪而不开花。

（2）及时进行疏蕾。培养得法的杜鹃花（包括西鹃），这时通常是花蕾满枝。为了使它开花大而色艳，每1枝顶上，只需留1个花苞，其余的都摘去，包括内心枝上的花苞也应同时摘去。在杜鹃花苞脱去棕色外衣后，会出现2~3朵花。

摘除花蕾时要注意方法，即用拇指和食指捏住花蕾向同一方向扭转（不要用力直接攀摘），被去除的花蕾就自然地脱落了。采取这样的扭转方法，既不会损伤留着的花蕾，也不会留下花梗损伤的痕迹。

（3）在开花时。人们往往喜欢把美丽的杜鹃花搬入室内欣赏，但摆在室内欣赏时应注意：要放置在窗口或离窗口较近的通风处，早晚能照着一些微弱的阳光，夜间应移出室外，盆土干了要浇水，开花期间不要施肥，这样就能延长开花和赏花时期。

杜鹃花开正盛

专题： 杜鹃花
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