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小苍兰(Freesia refracta Klatt)又名香雪兰,是鸢尾科秋植球根类花卉。原产南非好望角一带,不耐寒,夏季休眠。其穗状花序顶生,每序着花5～10朵,自然花期3～4月。在生产上,为了满足春节、元旦等冬季切花淡季的市场需要,常借助温度、激素处理等手段对小苍兰进行促成栽培。通过实验,其中温度处理效果最为明显,原因是温度直接影响着小苍兰的整个生长发育过程。主要表现在以下方面:
Freesia (Freesia refracta Klatt), also known as Fragrant Hill, is the iris autumn plant bulbs root flowers. Native Cape area of South Africa, not cold, summer dormancy. Spikes its top students, each with flowers 5 to 10, the natural flowering 3 to 4 months. In production, in order to meet the Spring Festival, New Year and other winter cut flowers off-season market needs, often by means of temperature, hormone treatment and other means to cultivate freesia. Through experiments, the effect of temperature treatment is the most obvious, because the temperature directly affects the whole growth and development of freesia. Mainly in the following areas: