改革开放以来,我国人造板和纤维工业发展迅速,适用于镟切加工的大径级木材和造纸专用木材供需矛盾日益突出。经过16年的培育和选择,廊坊市农林科学院选育出了适合于生产胶合板和造纸的杂种新无性系廊坊杨1、2、3号。廊坊杨杂种新无性系具有以下显著经济性状: Since the reform and opening up, the rapid development of China’s wood-based panel and fiber industry, applied to cut the processing of large-diameter timber and paper for timber increasingly prominent contradiction between supply and demand. After 16 years of cultivation and selection, Langfang Academy of Agriculture and Forestry has bred a new clonal hybrid Langfang Yang 1,2,3 which is suitable for producing plywood and paper. Langfang hybrid new clones have the following significant economic traits: