杂种落叶松大径材优良家系选择  

Selection of Superior Families for Large-Diameter Timber of Larix Hybrids

作　　者：周显昌 康迎昆 李艳霞 王洪梅 王福德 

机构地区：[1]黑龙江省林业科学研究所,哈尔滨150081

出　　处：《林业科技开发》2010年第2期16-18,共3页China Forestry Science and Technology

基　　金：国家"十一五"林业科技支撑项目计划子专题(编号:2006BAD24B0602-01);黑龙江省攻关项目(编号:GA08B201-02)

摘　　要：以材积生长量为主要指标,对27年生杂种落叶松进行优良家系初步选择,并初步探讨了树高、胸径、中央直径及其相互作用对材积生长量的影响,进而找出影响材积生长的主要因子。研究表明,中央直径是影响材积的主要性状,性状对材积的影响依次为中央直径>胸径>树高。胸径与中央直径的相关较紧密,而胸径与树高、中央直径与树高的相关不同家系表现各异。27 years old superior families of Larix hybrids were selected on growth for large-diameter timber, and influence of height, DBH, central diameter and their interaction on growth were analyzed so as to find main factor. The results indicated that the central diameter was main factor, the second was DBH, and the last was height. The correlation between DBH and central diameter was significant, but correlation of DBH and height, central diameter and height differed from their families.

关 键 词：杂种落叶松 大径材 优良家系 

分 类 号：S792.248[农业科学—林木遗传育种]