赤峰北部高寒干旱丘陵区杨树品种造林对比试验

Contrast Test on Afforestation of Poplar in Cold and Arid Hilly Region in North Part of Chifeng

为选择适合赤峰北部高寒干旱丘陵区栽培的杨树优良品种,2003年赤峰市林业科学研究院从黑龙江、吉林、辽宁、内蒙古、北京5省(市)引进19个杨树优良品种,并以少先队杨为对照品种,在赤峰市克什克腾旗三义乡进行造林对比试验,经过10年的生长观测和统计分析,选出了生长快、干形直、抗性强的杨树优良品种小×胡19和哲林4号。其材积生长分别是对照品种少先队杨的208.81%和167.18%。

In order to breed the fine variety of poplar adapted to plant in cold and arid hilly region in north part of Chifeng,19 fine varieties of poplar have been introduced by Chifeng Institute of Forestry Science from Heilongjiang,Jilin and Liaoning,Inner Mongolia Autonomous Region and Beijing in 2003. Taking P. pioner Jabl.planted widely in local area as the contrast,the contrast test has been done in Sanyi Town in Keshiketeng Banner.Through 10-year observation and analysis on the growth,2 fine varieties of poplar with growing fast,upright trunk and strong resistance have been chosen. The volume growth of P. simonii × P. euphratica-19 and P. deltoids‘Zhelin 4＇and is 208. 81% and 167. 18% of P. pioner Jabl. separately.