种子园位于东经102°41′,北纬31°54′,海拔2700m,山地棕褐土.树种云杉、丽江云杉.一个水平带为一个配置区,横山区组,随机配置,共58个无性系.具体作法如下:①在天然实生中龄林中选择优树73株.②定植:选择生长旺盛的苗木和超级苗定植,3年后,用长25cm左右的健壮枝条,用髓心形成层贴接法,在春季苗木开始萌动时嫁接,成活 The seed orchard is located at 102 ° 41 ’east longitude, latitude 31 ° 54’ north latitude and 2700m above sea level, with mountain brown cinnamon trees, spruce species and spruce of Lijiang, one horizontal belt is a configuration area, The specific practices are as follows: ① in the natural selection of middle-aged aged trees in 73. ② colonization: Select the vigorous growth of seedlings and super-seedling colonization, 3 years later, with about 25cm long robust branches, with pith formation layer Affixed to the law, in the spring when the sprouting seedlings grafted, survived