九月十一日至十七日,在白城市与扶余县三岔河镇,由省科委与省林业厅共同主持,先后对白城地区林科所金志明工程师选育成功的《白城小黑杨》、《白城小青黑杨》(以下简称“二黑”杨)两个杨树新品种,以及用“二黑”杨营造速生丰产林栽培技术的鉴定会。“二黑“杨是金志明工程师于一九六○年由中国林业科学院引进的杂交组合,其中的《白城小青黑杨》是目前我国保留下来的唯一杨树杂交组合中的优良品系,经过多年的选育 From September 11 to January 17, in Baicheng City and Sanchahe Town in Fuyu County, co-chaired by the Provincial Science and Technology Commission and the Provincial Forestry Department, Baicheng Black Yang “,” Baicheng Xiaoqing black poplar “(hereinafter referred to as” the second black “Yang) two poplar new varieties, and” second black “Yang create fast-growing high-yielding forest appraisal. ”Two Blacks“ Yang was a crossbreeding team introduced by Jin Zhiming Engineers by the Chinese Academy of Forestry in 1960, of which ”Baicheng Xiaoqing black poplar" is the only line in China that has survived the only poplar hybrid combination. Years of breeding