柳杉种源变异与联合选择  

Selection and variation of Cryptomeria fortunei provenances in Fujian Province

作　　者：黄信金 

机构地区：[1]福建省霞浦杨梅岭国有林场,福建霞浦350012

出　　处：《浙江林学院学报》2010年第6期884-889,共6页Journal of Zhejiang Forestry College

基　　金：福建省科技厅农业科技重点项目(2006N0016)

摘　　要：对营建在福建省霞浦杨梅岭国有林场的3片柳杉Cryptomeria fortunei种源试验林的生长、木材品质和形质性状进行全面系统的调查分析,其中2005年年终对1979年种源试验林进行调查,2007年年终对1981年和1982年种源试验林进行调查。结果表明:26年生和27年生种源试验林的树高、胸径、材积和髓心偏心率性状在参试种源间的差异均达显著水平(P<0.05)或极显著水平(P<0.01),树高、胸径、材积和髓心偏心率性状的遗传力为0.5左右,受中等程度的遗传控制。通过综合比较,选出福建杨梅岭、罗源西兰、江西庐山等优良种源13个,树高、胸径和材积的平均遗传增益分别为7.2%,9.2%和27.9%,髓心偏心率平均值为0.18%。这些优良种源均经历了寒冬和10级以上台风的袭击,表现出良好的抗性。Growth and wood quality traits of three Cryptomeria fortunei provenance tests established in the Yangmeiling State-owned Forest Farm of Fujian Province were surveyed and analyzed.The test forest established in 1979 was surveyed in 2005,whereas the forests established in 1981 and 1982 were appraised in 2007.Results among Cryptomeria fortunei provenances showed significant differences （P0.05 or P0.01） in tree height,diameter at breast height （DBH）,volume,and wood eccentricity.Altogether 13 superior provenances,including Fujian Yangmeiling,Luoyuang Xilan,and Jiangxi Lushan,were selected.The average genetic gains were 7.2% for tree height,9.2% for DBH,and 27.9% for volume with an average wood eccentricity of 0.18%.Also,good resistance to cold and strong typhoons was found.These superior provenances should be employed extensively.

关 键 词：林木育种学 柳杉 遗传变异 种源选择 

分 类 号：S722.3[农业科学—林木遗传育种]