(一)选土及消毒选用风化黄土,经2000倍福尔马林(或3000倍高锰酸钾)消毒后,摊晒一周,使之无药气,装入木箱备用。 (二)枝条处理选隔年枝或硬质春梢,截成带两片叶的插条。入土端用利刀削光,在5000倍高锰酸钾液(或萘乙酸50ppm液)中浸泡12小时,取出晾干待用。 (三)扦插时间一般在夏季进行,以7月初至8月下旬为最好。 (A) selection of soil and disinfection of weathered loess, 2000 times the formalin (or 3000 times the potassium permanganate) disinfection, spread the sun for a week, so that no gas, into the wooden box spare. (B) branch processing election Year branches or hard spring shoots, cut into two leaves with cuttings. Into the end with a knife sharpening, 5000 times in potassium permanganate solution (or naphthalene acetate 50ppm solution) soak for 12 hours, remove and dry to stand. (C) cutting time is generally carried out in the summer to early July to late August as the best.