洞庭湖区20个美洲黑杨无性系造林对比试验  

Afforestation comparison test on 20 clones of Populus deltoids in Dongting lake area,Hunan,China

作　　者：唐作钧[1,2] 肖兴翠[2,3] 张国君 梁丽容 庄益兵 潘惠新[4] 

机构地区：[1]中国林业科学研究院,北京100091 [2]泰格林纸集团股份有限公司,湖南岳阳414002 [3]中南林业科技大学,湖南长沙410004 [4]南京林业大学,江苏南京210037

出　　处：《中南林业科技大学学报》2011年第10期49-52,62,共5页Journal of Central South University of Forestry & Technology

基　　金：国家产业化升级项目"杨树产业资源材培育及新产品开发关键技术研究"(20100400405)

摘　　要：对20个美洲黑杨无性系在洞庭湖区进行了造林对比试验,根据7年生杨树的生长量分析,结果表明:无性系86-2最具生长优势,7年生胸径、树高和单株材积分别为29.77cm、24.93m和0.665 4m3.株-1,其胸径生长量与8个无性系有显著或极显著差异,树高生长量与2个无性系有显著差异,单株材积与11个无性系有显著或极显著差异,很可能成为洞庭湖区新的杨树主栽无性系。The afforestation comparison test was carried out in the Dongting lake area on twenty deltoids clones,based on the seven-year growth analysis of the comparison test.The results show that clone 86-2 had greatest growth advantage,DBH,height,stem volume respectively were 29.77 cm,24.93 m and 0.665 4 m3.strains-1.It＇s DBH has significant or highly significant difference with the eight clones,it＇s height has significant or highly significant difference with the two clones and it＇s stem volume has significant or highly significant difference with the eleven clones among the rest nineteen clones,and it likely is the new main planting clone of poplar plantation in Dongting lake area.

关 键 词：美洲黑杨 无性系 胸径 树高 单株材积 对比试验 洞庭湖区 

分 类 号：S727[农业科学—林木遗传育种] S792.11[农业科学—林学]