湖南省马尾松优树资源分布与育种区划分研究  

On the Distribution of Masson Pine Surplus Trees and Breeding Region Zoning in Hunan Province

作　　者：李午平[1] 郭光复[1] 唐效蓉[1] 陈明皋[1] 宋庆安[1] 

机构地区：[1]湖南省林业科学院,中国湖南长沙410004

出　　处：《中南林学院学报》2001年第1期30-33,共4页Journal of Central South Forestry University

基　　金：国家"八五"重点攻关项目!"马尾松短周期工业用材林良种选育"(88-18-0 1-0 2 )的部分内容

摘　　要：根据湖南省 44县 (市 )优树初选与复选档案及湖南省马尾松产区区划研究结果 ,运用主分量分析方法 ,将 32 5株优树聚类成 4个地理类群 ,据此将全省划分为 4个育种区 。According to the preliminarily selection and re selection data of 325 masson pine surplus trees in 44 countries of Hunan Province and the result of masson pine production region zoning in this province, the surplus trees have been classified into 4 geographical clusters by means of principal components analysis. By these clusters the province has been divided into 4 breeding regions and each region's breeding targets have been confined.

关 键 词：马尾松 主分量分析 育种区划 育种目标 优树资源 资源分布 湖南 

分 类 号：S791.248[农业科学—林木遗传育种] S722.3[农业科学—林学]