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马尾松种子园无性系亲本多性状联合选择(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年06期
Page:
23-28
Column:
研究论文
publishdate:
2011-11-28

Article Info:/Info

Title:
Multitraits selection of clonal parents for seed orchards of Pinus massoniana
Author(s):
HONG Yonghui12  HU Jirui1 LIN Wenjiang1 CHEN Yabin1
1.Wuyi National Forest Farm Fujian Province, Zhangping 364400, China;2. Masson Pine Research Center of Longyan Fujian Province, Zhangping 364400, China
Keywords:
Pinus massoniana advanced generation seed orchards seed production wood density volume growth traits multitriats selection
Classification number :
S791.248;S722
DOI:
10.3969/j.jssn.1000-2006.2011.06.005
Document Code:
A
Abstract:
In order to select materials with fast growth, high wood quality and high seed production for advanced generation seed orchards of Pinus massoniana. The seed production and wood density of the clonal parents in the seed orchard, volume growth traits of 11year progenies were studied. Results showed that there were very significant differences among for all the traits studied. Taken tree volume, seed production and wood density as main selection traits, 55 superior clones with similar florescence were selected. The average volume of the 20 superior clones was 0.076 8 m3 per individual, increased by 206.1 %, and genetic gain was 122.7 %. The seed production was 159.6 g per individual, increased by 90.8 %, and genetic gain was 74.5 %. The average wood density was 0.514 3 g/cm3, increased by 7.8 %, and genetic gain was 5.6 %.

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Last Update: 2011-11-28