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荷兰鸢尾(Iris xiphium var.hybridum),为鸢尾科多年生草本。原产荷兰。花姿优美,色彩艳丽,叶片似剑若带,青翠碧绿,花葶挺拔,常用作盆栽小品或通过促成栽培供切花之用。在欧洲是切花的重要品种之一,商品率很高。本地有从荷兰输入切花销售,颇受青睐。荷兰鸢尾在荷兰露地栽培,通常在9～10月种植种球,翌年春末开花。在嫩芽6厘米左右花芽分化,分化所需温度范围为5～20℃,最适13℃,分化过程约3个星期。生长初期温度过高,对花芽分化有抑制作用。佛山市秋冬气温较高,不
Iris xiphium var.hybridum, a perennial herb of Iris. The origin of the Netherlands. Floral graceful, colorful, leaves like a sword if the belt, green and green, scapes tall and straight, often used as potted plants or through the cultivation of flowers for cut purposes. In Europe is one of the important varieties of cut flowers, commodity rate is high. The imported cut flowers from the Netherlands have been well received. Dutch Iris cultivated in the open field in the Netherlands, usually planted in September and October bulbs, flowering the following spring. In buds about 6 cm flower bud differentiation, differentiation temperature range of 5 ~ 20 ℃, the optimum 13 ℃, the differentiation process of about 3 weeks. Early growth temperature is too high, inhibit flower bud differentiation. Foshan autumn and winter temperatures are higher, no