紫薇较易生根,因此扦插培植是获得盆景材料的一个捷径。 3月中、下旬,在紫薇未萌芽之前,截取形状优美的树干,粗1～3厘米,长15～25厘米,修去枯枝及影响美观的枝条,保留一部分细枝,使其带5～6个芽。将插条浸于500ppm的吲哚丁酸溶液中15分钟,然后插于疏松的土壤中,深10厘米左右。浇透水后,将盆罩在塑料袋内,使袋内始终保持湿润。细 Crape myrtle is more likely to root, so cutting cultivation is a shortcut to obtain bonsai materials. In mid-March, late in the crape myrtle bud before the interception of a beautiful shape of the trunk, 1 to 3 cm thick, 15 to 25 cm long, repair branches and affect the appearance of beautiful branches, to retain part of the twig to 5 ~ 6 buds. The cuttings immersed in 500ppm indole butyric acid solution for 15 minutes, and then inserted in loose soil, about 10 cm deep. After pouring water, the pots in the plastic bag, the bag always keep moist. fine