摘要
本文对引入国内外优良水土保持树种200余种进行对比选优研究,得到I-45杨[Populusxeuramerican(Dode)GuinierCL.“I45/51”),火炬树(Rhus,typhinaL.),白腊(FraxinuschinensisRoxb,),刺槐(RobiniaPseudoacaciaL.),白榆(UlmuspumilaLinn.),沙棘(HippophaerhamnoideSL.),刺榆(Hemipteleadavidii)等树种,为速生丰产、保持水土、防风固沙的优良树种。其中I-45杨和火炬树已在我省广泛推广,效果显著。
The selection and introduction of 200 species for soil and water conservationwere made in Jilin province,Pvpulus I-45, Rhus typhina L,Fraxinus chinensis Roxb,Robinia pseudoacaciaL,Ulmus pum ila L,Hippophae rhamnoides L,and Hemiptelea da-vidii had characters as the following:fast-growing,soil and water conservation,wind- cheek-ing and controling,After plantation tests,Populus 1-45 and Rhus typhina L. showed excel-lent effects.
关键词
选优
抗逆性
引种
水土保持
树种
Selection, Cold and drought resistance,Introduction,Soil aud water conser-vation