三种杨树引种在余姚市不同土壤环境的生长差异

指出了随着人们对景观绿化工程的要求不断提高,目前较少的彩叶乔木品种,已不能满足市场对彩叶乔木日益增加的需求。大叶杨是余慈地区常用树种之一,以速生丰产、适应性强、容易繁殖著称。红叶杨是大叶杨的芽变品种,观赏价值颇高,也是彩叶树种红叶类中的珍品。全红杨是红叶杨的的二代品种,适种区域广、见效快、效益大。通过比较这3种杨树在余姚平原和盐碱地的不同生长情况和成活率,探讨了不同环境下每种杨树的生长差异,为下一步绿化造林提供参考。

Growth Differences of Three Kinds of Poplar Species Under Different Soil Environments in Yuyao City

With the continuous improvement of people's requirements for landscape greening projects,there are few varieties of color leaf trees now,which is unable to meet the increasing market demand for colored trees.Populus lasiocarpa Oliv is one of the common tree species in Yuyao City and Cixi area.It is famous for its fast growth,high yield,strong adaptability and easy reproduction.Populus Hongye is a budding variety of Populus lasiocarpa Oliv with high ornamental value.It is a treasure red leaf species of color leaf tree species.Quanhong poplar is the second generation of Populus Hongye,which has the advantages of wide planting area,quick effect and great benefit.This paper compares the growth and survival rate of these three kinds of poplar in Yuyao plain and saline alkali land.The growth differences of each poplar in different environments are reflected,which provides theoretical basis for afforestation in the next step.