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为加快欧美杨 110号的繁殖速度 ,采用 110号杨母树枝条上有限的芽做接穗 ,中林 4 6、Be杨做砧木 ,采用 1年 3次嫁接的方法进行快繁试验 ,取得良好效果。
In order to speed up the breeding of Populus trichocarpa in Europe and the United States, the limited buds on the branches of No. 110 Yangmu branches were used as the scions. Zhongli 46 and Be Yang were used as rootstocks. The propagation experiments were conducted three times a year with good grafting .