嫁接繁殖1.枝接高接以培育乔木状金叶榆为目的。嫁接时间在3月上中旬,以砧木苗尚未发芽前树液将开始流动时最为适宜。选取胸径3厘米以上的主干通直白榆苗做砧木,入冬后或刚开春后选用中华金叶榆当年生健壮枝条做接穗,剪取枝条中段长6￣8厘米,放进90￣95℃的溶蜡中速蘸,使表皮蘸 Reproduction of grafting 1. Branches high pick to cultivate the arborous gold leaf elm for the purpose. Grafting time in mid-March, with rootstock seedlings have not yet sprout before the liquid will begin to flow when the most appropriate. Select the diameter of more than three centimeters above the trunk through the white elm seedlings do rootstocks, after winter or just after the spring selection of Chinese golden leaf elm robust branches then scion, cut branches in the middle of 6 to 8 cm long, into the 90 ~ 95 ℃ of the solution Dipped in wax and dipped in epidermis