由内蒙古林学院承担的“成龄桧柏扦插生根力的研究”课题,于1986年7月22日通过技术鉴定。这个课题的研究成果得到了以北京林业大学孙时轩教授为首的鉴定委员会的肯定。整个试验是分两部分进行的。一、筛选生根力高的成龄母树 1981—1985年,先后对210株大树进行了采穗扦插初选和复选。经反复试验对比证实,成龄桧柏不同单株的生 By the Inner Mongolia Forestry University bear the “adult cypress cuttings rooting force” project, in July 22, 1986 through the technical appraisal. The research results of this subject have been affirmed by the appraisal committee headed by Professor Sun Shixuan of Beijing Forestry University. The whole experiment is carried out in two parts. First, the screening of mature root age tree high 1981-1995 years, 210 trees have cut and cuttings primary election and check. After repeated experiments confirmed that adult cypress cypress different single plant students