吉林省水土保持树种选优的研究

Study on the selcction of Soil and Water Conservation Species in Jilin Province

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.