介绍一个杨树新品种刘佩文，刘国柱，何淑华（天津市林业站）中林号杨树是中国林业研究院于１９７６年用６９杨作母本，以抗寒性较强的欧亚黑杨作父本，经人工杂交选育出的一个杨树新品种，１９９０年由林业部科技司组织鉴定，１９９１年获国家“七五”科技攻关重大成果奖... Introduction of a new poplar species Liu Peiwen, Liu Guozhu, He Shuhua (Tianjin Forestry Station) Zhonglin Poplar is the Chinese Academy of Forestry in 1976 with 69 as the female parent, cold hardiness Eurasian black poplar as father, A new poplar breed bred by artificial cross-breeding was appraised by the Science and Technology Department of the Ministry of Forestry in 1990 and won the major achievement prize of national “Seventh Five-Year” scientific and technological breakthrough in 1991 ...