Abstract: Lulin 9’(Populus deltoides‘Lulin 9’) is a new variety selected from ‘L324’ (Populus deltoides ‘L324’)בT26’( Populus deltoids ‘T26’). The variety is male, and possesses straight trunk with significant apical dominance but without competitive lateral branches; The crown is long oval with big branching angle; Its distances between different year-old first order lateral branches are significant.The survival rate of seedling and afforestation are both high, and its adaptation to adversity of wind and drought is better than the other black poplar varities.

Key words: poplar, new variety, fast-growing and quality