杨树苗期抗寒性综合指标的研究

Studies on the Comprehensive Indexes of the Cold Resistance of Poplar Seedlings

文章以11个杨树无性系的一年生枝条为试验材料,以采用连续低温处理和4次冻融间隔处理后的枝条萌芽率作为衡量指标,结果表明:中绥12杨抗寒速生,适应性强。

11 annual branches of poplar clones were tested and the germination rate of shoots was measured by continous low temperature treatment and freezing and thawing processing of four times. Results showed that the poplar of Zhongsui 12 is fast-growing and well adapted, and had cold resistance.