Physiological influence of low temperature stress on hybrid clones of Populus tremula×P.tremuloides
YAN Shaopeng, YANG Ruihua, WANG Qiuyu
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2013, (06): 161 -164 .  DOI: 10.3969/j.issn.1000-2006.2013.06.032