百香果为什么只开花不结果

植物图片 2019-03-27 18:49

造成百香果开花不结果的原因有多种，通常主要原因是没有授粉，光照不足，气温过高，浇水过少，施肥不当等多种原因，在生长期间应进行人工授粉处理，且经常加强空气的流通性，每天给予充分的光照时间，以促进植株花芽的分化。

1、没有授粉

百香果在生长过程中，如果靠自然生长它会很难开花结果的，所以需要进行人工授粉处理，那么百香果为什么只开花不结果，最先想到的则是植株授粉不成功，如果在花期没有昆虫授粉是不会结果的，所以栽培百香果要在天气晴朗时将雌花的花粉授到雄花的柱头上，加强空气的流通性即可。

2、光照不足

百香果生长时需要充分光照的，如果光照不足会造成植株生长不良，造成花芽分化停止，最好在生长期间每天至少给予7个小时的光照时间，以促进植株养分的积累，这样就会早开花早结果。

3、气温过高

百香果在开花结果期，如果遇到高温干旱季节，里面的水分不能保持花芽的正常生长发育，就会出现花蕾凋落的现象，从而只开花不结果，最好在花期要控制气温在20℃～30℃左右，气温高于35℃时候需要降温或者移到凉爽处就好。

4、浇水过少

虽然百香果有很强的耐干旱能力，但是在花期时要及时给予充分的水分，如果浇水过少会造成植株的生长受阻，花芽就会停止分化，从而出现不结果的现象，在花期应经常保持盆土湿润，阴雨季节注意进行排水工作即可。

5、施肥不当

百香果不同的生长时期对肥料的要求是不一样的，在每年2～3月份处于花期的时候，施肥主要以稀薄的氮肥为主，在生长初期的时候不要过多施加氮肥，否则会造成花朵不结果，应在果实膨大期施肥，以复合肥为主。

专题： 百香果
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