生石花栽培应注意什么?
生石花栽培应注意什么?生石花是番杏科肉质植物,原产于南部非洲,因其叶形奇特,植株小巧,花朵娇艳,做小型盆栽如同有生命的工艺品,是众多花迷争相搜集的趣味性很强的观赏植物。生石花品种繁多,但因其生长环境特殊,在栽培中应注意以下几点:
(1)栽培用土的选择:要选用通气性、排水性及保水性良好的砂质土壤,培养土可用腐叶土、蛭石(或珍珠岩)、河沙按6:3:1混合配制,在配制营养土中可加入少量的过磷酸钙,以补充钙质及磷素。在营养土装盆时盆底应垫上瓦片,上面加一层较粗的营养土料,以利排水,然后再放进配好的营养土即可。因生石花的根系较深,花盆宜选用较深的瓦盆。
(2)光照及温度的管理:生石花应保持有充足的光照条件,夏季阳光强烈时要适当遮荫,并要放置在通风良好的地方。生长适温为20~25℃,冬季最好保持在10℃以上,夏季不超过30℃,温度过高过低则会进入休眠或半休眠状态。
(3)水分:浇水基本上掌握干透浇透的原则,在生长季节可适当多浇,保持土壤稍湿润,在休眠季节要控制浇水,以防植株腐烂。
(4)肥料:生石花需肥量不大,如果土壤肥沃,也可以不施肥。如果施肥,可施用一些稀释的有机液肥,但不宜过多施用氮肥,氮肥过多,叶片过于薄嫩,抗性降低,不易度过休眠期。
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