杨树是我区主要造林树种之一。具有生长快、成材早、适应性强、繁殖容易、木材用途广的特点。我区的杨树良种繁育工作,经历了两种思想、两条路线的反复斗争,在毛主席革命路线指引下,排除了修正主义路线的干扰和破坏,在积极发展乡土树种小叶杨的同时,开展了杨树良种的选、育、引、繁工作,全区选出乡土杨树优树64株,引进国内外杂交杨450多个组合和无性系号。文化大革命以来,广大林业职工和科技人员依靠群众,结合生产,进行了杨树品种苗期观察、品种对比和区域栽培试验,为开展全区的良种普查鉴定工作打下了基础。 Poplar is one of the main afforestation species in our district. With fast growth, early timber, adaptability, easy reproduction, wood uses a wide range of features. Under the guidance of Chairman Mao’s revolutionary line, the work of poplar breeding in our region underwent repeated struggles of two kinds of thinking and two lines and ruled out the interference and destruction of the revisionist line. While proactively developing the native tree poplar, The selection, breeding, introduction and propagation of poplar varieties have been carried out. There are 64 native poplar trees selected in the region, more than 450 hybrid poplar combinations and clones are introduced at home and abroad. Since the Cultural Revolution, the majority of forestry workers and scientific and technological personnel rely on the masses, combined with production, conducted poplar seedling observation, variety comparison and regional cultivation experiments, in order to carry out the region’s thoroughbred census appraisal work laid the foundation.