杜鹃花花期：自然花期在4至5月

植物图片 2019-10-09 09:36

杜鹃花又叫映山红，它的花冠呈漏斗形，花色繁茂艳丽，有红、淡红、杏红、雪青、白色等，下面给大家讲解一下杜鹃花的花期及花期养护技巧。

红色杜鹃花

一、杜鹃花花期

杜鹃的自然花期在4-5月，开花时长约40天左右。气温可调节花期。

二、杜鹃花的花期管理

1、花期管理

（1）杜鹃在花期应特别注意避免淋雨（尤忌暴雨），否则易造成花色减退，影响观赏。

（2）杜鹃开花初期，应注意把t移置于“散射光”环境中（如荫棚下），不可置于直射阳光下，否则，易造成花色变淡，甚至花瓣被炙焦。另外，应注意保持杜鹃花所在小环境的空气相对湿度，其体措施是在附近地面上洒上一些水（注意不可溅到植株的枝叶、花朵上）。

（3）选择移人室内的适合时间：通常应待植株上1/3的花朵半开时，再移到室内比较适合，过早会因光照不足而影响开花质盆（主要影响花色）。

（4）保持适合的室内环境：主要使室内空气畅通，同时，晚上要搬至室外接受夜露。

（5）开花期间应注意保持盆土的干湿度，不宜过干，更不宜常湿，否则将影响开花质量和造成花期缩短。

2、花后管理

当杜鹃花开到七、八成时，应及时把花朵全部摘除以保证花后植株正常生长的养分。同时，把植株移到室外荫棚上，喷洒一次托布津或多菌灵悬浊液以防治病虫害，并在花朵摘除后一周左右，及时追施一次花后肥（稀浓度的氮肥与0.2{bf}浓度的硫酸亚铁混合液），然后，进人植株的常规管理。

黄色杜鹃花

专题： 杜鹃花
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