利用低质林伐根嫁接秦皇岛杨陈玉华王立云曹占池赵秀玲（秦皇岛海滨林场）秦皇岛杨是由山海关杨为母本与从意大利引进的速生杨—６３杨杂交而来。秦皇岛杨兼有山海关杨广泛的适应性、抗性及６３杨的速生性，又没有了各自的不足之处，在沿海沙滩上１３ａ生最大胸经超过３９... Grafting using low-quality forest roots Qinhuangdao Yang Chen Yuhua Wang Liyun Cao Zhanxiu Zhao Xiuling (Qinhuangdao Haibin forest farm) Qinhuangdao Yang by Shanhaiguan Yang as the mother with the introduction of the Italian from Populus -63 Yang hybrid. Qinhuangdao Yang both Shanhaiguan Yang a wide range of adaptability, resistance and 63 Yang’s fast-growing, and without their own inadequacies, in the coastal beach on the largest diameter of 13 b