82 0 3号杨系雌株 ,树冠较一般杨树窄。在东部山区能够完成正常的生育周期 ,物候期与大青杨相近。苗期生长高峰期主要为 6月中旬到 7月下旬。胸径生长 3～ 7a为加速阶段 ,8～ 14 a为稳定生长阶段 ;树高生长最快时期为 4～ 9a;现阶段材积生长始终处于加速期。 82 0 3号杨适宜营造短周期工业用材林 ,也是培育大径级材种的优良树种 Yang No. 82 0 3 female plant, crown than the general poplar narrow. In the eastern mountains to complete the normal fertility cycle, phenophase similar to Populus euphratica. The seedling growth peak is mainly from mid-June to late July. The DBH growth was from 3 to 7a for the accelerated stage and from 8 to 14 days for the stable growth stage. The fastest growing stage was from 4 to 9 years. At the present stage, the volume growth was always in the accelerated phase. 82 0 Yang appropriate to create short-term industrial timber forest, but also to cultivate large-diameter timber species of good trees