]*>","")" /> Primary Identification on Cold Resistance of Several Populus talassica Kom.×Populus euphratica Oliv Hybrids
Xinjiang Agricultural Sciences

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Primary Identification on Cold Resistance of Several Populus talassica Kom.×Populus euphratica Oliv Hybrids

ZHANG Dong-ya;ZHAO Lei;SUN Shou-wen;TAO Xiu-dong   

  • Received:2010-04-25 Revised:2010-04-25 Online:2010-04-25 Published:2010-04-25

密叶杨×胡杨6个杂交种抗寒性的初步鉴定

张东亚;赵蕾;孙守文;陶秀冬   

  1. 新疆林业科学院,乌鲁木齐,830000





摘要： [目的]评价几个优良密叶杨(Populus talassica Kom.)×胡杨(Populus euphratica Oliv)杂交种的抗寒能力.[方法]对其一年生休眠枝条进行了低温胁迫试验,采用电导法拟合Logistic方程得出半致死温度(LT50),用恢复生长法进行验证.[结果]8个供试树种中,胡杨的抗寒性最强,6个密叶杨×胡杨杂交种中,胡杂-1和胡杂-2的抗寒性较强,胡杂-35最弱.恢复生长法得到的出芽率排序与半致死温度排序具有一致性.[结论]胡杂-1和胡杂-2具有较好的抗寒性.