为营建马尾松高世代种子园提供速生、优质和结实量大的建园材料,通过对139个19年生闽西马尾松优树子代结实量
、木材基本密度及2个年度生长性状进行调查研究,从中选择速生、优质、结实高产的种子园建园材料。结果表明:不同优
树子代在树高、胸径、材积、结实量和木材基本密度等性状上存在极显著差异。采用综合评分法选出71个优良家系,其平均
树高、胸径、材积为131 m、214 cm、0229 9 m3,平均结实量为546个球果,平均木材基本密度为0391 1
g/cm3。在优良家系中开展优良单株选择,入选的69个单株其平均树高、胸径、材积、结实量、木材基本密度分别为1596
m、293 cm、0467 4 m3、113个球果和0387 0 g/cm3。
Abstract
In order to select materials with fast growth, sound wood quality and high fructification for advanced
generation seed orchards of Pinus massoniana, the fructification, wood basic density and 2year investigation of
the growth status of progenies from 139 plus trees of 19yearold P. massoniana in western Fujian province
were conducted. Results showed that there were significant differences among all the traits studied. Seventy
one excellent families were selected by the integrated assessment method, they had average tree height 131 m,
average DBH 214 cm, average individual volume 0229 9 m3, average individual fructification 546 cones and
average wood basic density 0391 1 g/cm3. Sixtynine plus trees were further selected from the excellent
families, they had average tree height 1596 m, average DBH 293 cm, average individual volume 0.467 4
m3,average individual fructification 113 cones and average wood basic density 0.387 0 g/cm3.
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基金
收稿日期:2012-10-16修回日期:2013-04-24
基金项目:国家林业公益性行业科研专项项目(201104010);“十二五”国家科技支撑计划(2012BAD01B02);龙岩市
科技局资助项目;福建省第4期林木种苗攻关项目
第一作者:林能庆,高级工程师。Email:lnq196308@126.com。
引文格式:林能庆.闽西马尾松优树子代测定及优良单株选择[J].南京林业大学学报:自然科学版,2013,37(5):31-34.