【摘要】 桑巨杨是由新西兰奥泰尔土壤保护中心的树木园中美洲黑杨优树上采集天然杂交种所得,形态近似欧美杨,速生,是一个抗桑天牛的杨树新品种。更多还原

【Abstract】 A new poplar variety,’Sangju’,was bred from the seeds collected from the open-pollinated Populus deltoides trees in the tree garden,at the soil protection centre of Auckland,New Zealand.Its morphology is similar to Populus euramericana.The variety grows fast and resists to the pest,Apripona germari,which cannot complete its life history on the poplar variety.更多还原