伊犁地区杨树引种及对比试验

Introduction & Comparison Test of Poplar in Yili Region

从青杨派、黑杨派、白杨派近200个品种(品系)中选出苗期表现好的39个品种进行造林对比试验,结果表明:所选各品种生长量均超过对照品种;黑杨派、青杨派高、径生长超过对照健杨的34%～115%、35%～142%和70%～212%;白杨派品种高、径、材积生长超对照新疆杨的21%～111%、38%～187%和66%～324%;黑杨派、青杨派品种干形普遍好于白杨派品种;通过综合指标评定,青杨派、黑杨派表现突出的有中林等8个品种,白杨派有银白杨等6个品种,可在造林中大力推广。

Thirty-nine varieties were selected from nearly 200 varieties（strain） of Tacamahaca,Aigeiro,Leuce which performed better for reforestation comparative test.Result shows that growth of selected species are all higher than that of the control variety;tree height,DBH of Aigeiro,Tacamahaca are 34%-115%,35%-142% 70%-212% higher than that of the control.Growth of tree height,DBH volume of Leuce species are 21%-111%,38%-187% 66%-324% higher than that of the control;stem form of Aigeiro,Tacamahaca varieties are generally better than that of Leuce;through comprehensive index evaluation,Zhonglin etc.8 varieties are outstanding among varieties of Tacamahaca Aigeiro;P.alba etc.6 varieties which belongs to Leuce should be promoted vigorously in the afforestation.