杨树新品种苗期对比试验初报

为选择既能速生丰产又抗病虫害的杨树品种,满足绿色通道与短周期工业原料林建设的需要,作者筛选引进了抗虫杨12号、山哈杨、鲁山杨、欧美杨13号、欧美杨14号、常绿杨与中嘉8号进行了苗期对比试验,并对萌芽分枝情况、害虫危害情况、苗木保存率、平均苗高、平均苗径、平均苗重等进行了综合分析。结果表明:中嘉8号具有明显优势,山哈杨、鲁山杨、欧美杨13号、欧美杨14号表现较好,而常绿杨和抗虫杨12号表现较差。

Primary Report on Contrast Test among New Poplar Varieties in Seedling Stage

In order to select poplar varieties that is not only high - yield and fast - growth but also resistant to disease and insect pest so as to meet the requirement for construction of green channel and short - cycle forest for industrial raw material, the authors have screened out and introduced Anti - pest poplar No. 12, Shanha poplar, Lushan poplar, Canada poplar No. 13, Canada poplar No. 14 and Evergreen poplar and made a contrast test in seedling stage together with Zhongjia No. 8, they also have carried on comprehensive analysis on coppice status, insect injury status, preservation percent of seedling, average seedling height, average seedling diameter and average seedling weight etc. Zhongjia No. 8 has obvious superority over all other varieties , Shanha poplar, Lushan poplar, Canada No. 13 and No. 14 have better performance, but Evergreen poplar and Anti-pest poplar No. 12 has poorer performance.