如何使唐菖蒲花开艳丽?
唐菖蒲喜温暖,有一定的耐寒能力,不耐高温和闷热。栽培唐菖蒲选向阳、土层深厚、肥沃及排水良好的地方。唐菖蒲属长日照花卉,尤其在生长过程中,需要较强的光照。特别是叶子萌发后,植株通过光合作用制造养分来维持生长。
唐菖蒲花芽分化期光照不足,会导致叶同化作用产生的养分不足,使开花受到影响,所以第三片叶出现至开花应尽可能增加光照。要使唐菖蒲花大色艳,水肥管理很重要。从栽种到出现两片叶子时浇水不宜过多,以免植株徒长影响花芽分化。3~7片叶时水分供应要充足,否则会影响花芽形成。从抽茎到开花期则不可缺水,宜保持土壤湿润。
唐菖蒲花谢后以土壤稍干为宜,以保证新球生长。9月下旬气温降低后因植株生长减慢,故应控制浇水。唐菖蒲施肥要适量,一般长出第三片叶子时开始施追肥,以后每隔20~30天施一次腐热的稀薄饼肥水。要注意增施磷钾肥,这样可使花枝粗壮,花朵排列紧凑,花色艳丽。
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