杨树新品种育苗试验研究

Research on the Raise Seedling Experiment of New varieties of Poplar

育苗试验结果表明:引进和选择的大多数杨树新品系在本区表现出很好的适应性和明显的生长优势,特别是二白杨16号、27号、30号,箭×二白杨,哈美杨等5个新品种超标优势明显,高、地径生长量超过对照25%以上,可成为河西地区杨树人工林的主栽品种。

In this report,the raise seedling experiment of the poplar demonstrates that most of newly introduced and selected varieties have showed a good adaptation and clear growth superiority at the experimental area.particularly,the five new varieties such as No. 16.27 and 30 of P.gansuensis C.Wang et H.L.Yang.P.thevestina×P.gansuensis and populus charbinensis xp.pyramidalis have showed a significant superiority,which height, radial and produetirity surpass 25% of the wntrol values.These five varieties should suppose to be the key components of artificial poplar forest in Hexi Corridor.