我所杉木嫁接种子园1975年12月开始定砧,1976年3月选用两年生留床苗(基径在0.8—1.2厘米之间)定砧仅3个月的二小区进行嫁接,经过一段的一般性经营管理,据同年11月的调查,成活率达92％,接株平均高35厘米,最高71厘米,平均基径0.8厘米,最粗1.2厘米。根据这一结果,1977、1978两年春,先后在定砧几个月至一年的九个小区(面积65亩)里普遍进行 I cedar seed grafting plant in December 1975 began anvil, March 1976 selected two-year-stay bed seedlings (base diameter 0.8-1.2 cm) fixed anvil only three months of grafting two communities, after a period of General management, according to a survey in November of the same year, the survival rate of 92%, access to plants average height of 35 cm, the highest 71 cm, the average base diameter of 0.8 cm, the maximum thickness of 1.2 cm. According to this result, the spring of 1977 and 1977, the spring of last year, has set a few months to a year in nine districts (65 acres) generally