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繁殖紫薇可用枝插、根插、播种等方法繁殖。1.枝插 11月底,选择1年生苗干或1～2年生健壮侧枝,粗度在0.8～2厘米最宜,剪成15厘米长插条,上端平,下端斜,剪时不要损伤皮层和侧芽,按粗细分类,30～50根扎成一捆。选择背风向阳的高燥地,挖深80厘米、宽1.5米的坑,长度根据插条多少而定。坑底铺20～25厘米细沙,湿度以可捏成团、松开自然散开为宜。将插条一捆捆地坚排在沙上,捆与捆之间留3～4厘米空隙,用细沙填上。以一层沙一层插条的顺序摆放,一直放
Propagation of crape myrtle can be inserted, root inserted, sowing and other methods of breeding. 1 stick inserted by the end of November, choose 1 year old or 1 to 2 years old stems robust, coarse 0.8 to 2 cm in the most appropriate, cut into 15 cm long cuttings, the top level, the lower oblique, do not damage the cortex and shear Side buds, according to thickness classification, 30 to 50 into a tie into a bundle. Choose leeward high dry land, dug 80 cm deep, 1.5 m wide pit, length according to how much the cuttings. Pit bottom shop 20 ~ 25 cm fine sand, humidity can be kneaded into groups, loosened naturally spread appropriate. The cuttings of a bunch of sticks to row in the sand, leaving 3 to 4 cm between the bundles and bundles, filled with fine sand. To a layer of sand cuttings placed in the order, has been put