丹红杨等几个杨树品种引种试验初报

为了选育适合平原地区生长的杨树新品种,湖北省潜江市林科所引进丹红杨Populus deltoides.CL.Dan Hong.等杨树新品种进行生长、抗性试验,以中潜3号为对照,通过对参试品种胸径、树高、材积、抗虫性、抗病性调查,分析了各品种间的生长量差异和抗性差异,丹红杨在所有参试品种中表现出生长快、抗性强、综合性状优良的特性,值得在江汉平原等适生区域推广。

Preliminary Report on Result from Introduction Test for Populus Varieties Including Populus deltoides CL.Dan Hong

In order to breed the new Populus varieties which are suitable for plain area, Qianjiang City Forestry Research Institute of Hubei Province imported some new Populus varieties including Populus deltoides CL. Dan Hong, and take the test on growth, resistance and so on, and the Populus deltoides CL. Zhongqian No. 3 is as con- trast. Through the investigation on D,B,H, tree height, volume, pest resistance, disease resistance, and analyzed the difference of increment and resistance among each variety, the result show the growth of Populus deltoides CL. Dan Hong is fast-growing, the resistance is strong and the comprehensive characters are superior, so the Populus deltoides CL. Dan Hong is worth of extension in Jianghan plain area.