品种杨品比测定实验初报

A preliminary report on comparison and determination experiments of strain poplars

沙地杨树品种品比试验结果显示 ,参试的 7个杨树品种中里普杨表现最好 ,2 2a生每公顷蓄积可达 182m3,较对照高 2 4 6 %。白城系列杨树表现早期速生 ,抗性和适应性强。

The result of comparison experiment of poplar strains in sandy-land shows that Lipu poplar is the best one among the 7 strains of poplar. Its volume can reach 182m 3hm 2 at twenty-two year-old,more than 246% compared with control The Baicheng strain shows early fast growing and with high resistibility and adaptability and can be regard as first selected planting species for poplar timer forest in sandy-land.