杜鹃花不开花的原因和改善措施

植物图片 2019-08-06 09:39

杜鹃花不开花的原因很多，如光照不足使其无法正常分化花芽，要提供充分散光;水肥不当使其烂根，则要做好水肥管理;低温冻害造成其不开花，要控温在10～15℃左右;干燥不通风要喷水增湿并开窗通风;新芽过多要抹芽，使其养分充分开花。

1、光照不足

杜鹃花开花需要有充分的光照，让其进行光合作用从而分化花芽，如果长期摆摆在阴暗无光的环境中养护，杜鹃花本身就会生长不良，更是难以形成花芽促进其生长开花，因此需将其摆摆在向阳处养护。

2、水肥不当

水肥不当造成杜鹃花的根部出现腐烂情况，就会让其不能正常吸收养分，为花芽生长开花提供营养，从而使其不开花。需要控制水肥，平常养护杜鹃花见干见湿进行浇水，并要薄肥勤施，避免浓肥烧根。

3、气温过低

气温过低也是杜鹃花为什么不开花的原因之一，如果杜鹃花的生长环境气温低于10℃，就很容易让其花苞无法形成，而且植株也会遭受冻害，从而不能开花。需要将其气温控制在10～15℃左右，也要避免20℃以上的气温出现。

4、干燥不通风

其实空气过于干燥，而且其通风不良造成空气质量差，存在煤烟等危害杜鹃正常生长的气体，也会让杜鹃不开花。要增加通风让空气清新，避免有害气体存在，并要适量喷水增加空气湿度，从而使其开花。

5、新芽过多

杜鹃花在孕育花蕾前会抽新芽，如果抽出的新芽过多，也会造成杜鹃花的养分被过度消耗，继而不能使其花蕾正常孕育生长进行开花。要将植株上的过多新芽进行抹除，从而使杜鹃花养分充分进行开花。

专题： 杜鹃花 不开花
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