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小黑杨(Populus simonii Carr×P.ni-gra L.)是小叶杨与欧洲黑杨的杂种,是1959年中国林业科学研究院林研所培育成的,1962及1963年相继引入我所。通过评比选育、区域化试验及生产鉴定,其小黑杨的光皮类型具有抗寒、抗旱、耐瘠薄、耐盐碱、速生等优良特性。1969年在黑龙江省嫩江地区推广,1976年普及全省,目前育苗面积已达81,000多亩。一、形态特征乔木,高可达20米以上,树干圆满通直,树冠开阔呈长卵形,侧枝较多,与主干约成45
Populus simonii Carr × P. ni-gra L., a hybrid of Populus simonii and Populus tomentosa, was cultivated by Forest Research Institute of China Academy of Forestry in 1959 and introduced into our institute successively in 1962 and 1963. Through the selection breeding, regionalization experiment and identification of production, the light-skin type of Populus davidiana has the characteristics of cold resistance, drought resistance, infertility tolerance, salt tolerance, fast-growing and so on. 1969 Nengjiang Heilongjiang Province to promote the popularization of the province in 1976, the current nursery area has reached 81,000 mu. First, the morphological characteristics of trees, up to 20 meters high, the trunk is straight and straight, crowned crown was long ovoid, collateral more, about 45 with the trunk