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铁树又名苏铁、凤尾松、凤尾蕉,因其是大型叶丛,羽状,形态美丽,具有热带情趣,是人们喜爱的高档次观叶植物,价值也较高,因此繁殖铁树可获得较好的经济效益.铁树分布在印度尼西亚至我国南部和日本南部.属常绿棕榈状乔木,生长缓慢,约需百年才能高达3m,寿命可达2百年以上.盆栽的铁树不定期开花.花顶生,雌雄异株,花期7月～8月,雄花由无数鳞片状雄蕊所成;雌花由一簇羽毛状心皮所成,心皮密闭软毛,下部或成柄状,柄的两缘生胚珠数枚.民间传说铁树要千年才开花一次,实际上在生长条件适合的条件下20年以上可以开花,我国南方生长条件较好年年都能开花.由于铁树是雌雄异株,往往不同时开花,所以很难采到种子,播种繁殖便受到了限制.因此,铁树多采用扦插法繁殖.一、扦插时间春插3月份～4月份;夏插5月份～8月份;秋插8月份～9月份.二、扦插方法1.蘖芽插 蘖芽插是将大树所发的蘖芽切下,长10cm～15cm,已抽叶或未抽叶的都可以,用利刃将基部
Tieshu, also known as cycads, Pinus sylvestris, Pinus orientalis, because it is a large leaf clump, feathery, beautiful shape, with a tropical taste, is the favorite high-grade foliage plants, the value is higher, Better economic benefits. Tritrix distribution in Indonesia to southern China and southern Japan. Is an evergreen palm-like trees, slow growth, about a hundred years to up to 3m, life expectancy up to 2 hundred years or more. Health, dioecious, flowering July to August, the male flowers from numerous scales-like stamens; female flowers by a cluster of feathery carpels, carpels closed soft hair, the lower or into a handle, the handle of the two margin Ovules several pieces of folklore Iron tree to flowering once a millennium, in fact, under the conditions of suitable growth conditions for more than 20 years can flowering, growth conditions in southern China better year after year can flowering because of the dysentery is dioecious, often not at the same time Flowering, so it is difficult to adopt seeds, sowing and breeding will be limited .Therefore, the use of cuttings multiplication of ferns use more. First, the cuttage spring inserted in March to April; summer insert May to August; autumn insert August ~ September. Second, the cutting method 1 tiller buds tiller The interpolation is a cut tiller buds of trees issued length 10cm ~ 15cm, or leaves has been drawn can be pumped leaves, with a sharp knife to the base