君子兰夹箭怎么办?
君子兰夹箭怎么办,所谓“夹箭”是指君子兰的花梗太短,夹在叶片的下部,抽箭时箭杆窜不出来,花瓣不能正常开放,或花藏于叶下而开,严重影响观赏价值。
造成君子兰夹箭的原因,主要是养护管理不善:
①温度不适宜。一般君子兰抽箭最适宜温度在15~25℃之间,低于15℃或高于25℃都不利于抽箭。
②营养不足。君子兰开花期对磷、钾肥需要量较多,若此时氮肥过多而又缺少磷、钾肥和微量元素则蟪 会影响抽箭开花。
③水分缺乏。君子兰抽箭阶段,需水量较多,如此时水分不足,也会出现夹箭现象。
④空气干燥,光照太强,昼夜温差小等因素都会影响君子兰抽箭。
发现君子兰夹箭可采取以下措施:
①因温度引起的夹箭,应严格控制君子兰抽箭开花所需的温度,保证温度控制在15~25℃之间。
②因缺乏水分引起的夹箭,可每隔3~5天浇1次磁化水,但不宜过多。在处理由于缺水造成的夹箭时,常遇到盆土不渗水的现象,多半是由于土壤板结或盆内根系太多所致,这时应马上换盆。换盆时选较大的花盆,底部铺放2~3厘米厚的粗沙,将磕去的整个土团放在新盆中,不要剥落宿土,以免伤到根系,然后向四周添加渗水性较强的培养土,敦实,浇20~25℃的温水。
③因营养不足引起的夹箭,发现箭露头时,要注意往盆土里施些腐熟的蹄片饼肥液或向叶面上喷施0.3%磷酸二氢钾溶液。当发现有夹箭的可能时,立即用半瓶生啤酒浇灌,即可挽救过来,以上就是关于君子兰夹箭怎么办的介绍。
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