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杉木纤维用材优良无性系的选择(PDF)

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

Issue:
2005年05期
Page:
21-24
Column:
研究论文
publishdate:
2005-05-20

Article Info:/Info

Title:
Selection of Superior Clones of Chinese Fir for Fibre Wood
Article ID:
1000-2006(2005)05-0021-04
Author(s):
HUANG Shou-xian12 SHI Jisen1* LI Li1 YANG Li-wei1 YANG Li-guo1 YU Rong zhuo3 CHEN Xiao-chou3 WENG Yu-zhen3 ZHENG Ren-hua1
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 2. College of Forestry Guangxi University, Nanning 530001, China; 3. Fujian Yangkou Forest Farm, Shunchang 353211, China; 4. Fujian Academy of Forestry, Fuzhou 350012, China
Keywords:
Chinese fir Clone Wood basic density Tracheid length Index selection
Classification number :
S722.5
DOI:
10.3969/j.jssn.1000-2006.2005.05.005
Document Code:
A
Abstract:
Genetic variations of growth traits,wood basic density and tracheid length of Chinese fir clones were investigated in this paper. The results indicated that the five traits like height,diameter at breast height, volume, wood basic density and tracheid length showed at least significant genetic variation among clones. They were under moderated genetic control with clone repeatabilities of 0. 771,0. 651,0. 566,0. 529 and 0. 495 respectively. Height, diameter at breast height and volume had a negative genetic correlation with wood basic density and tracheid length. The negative genetic correlation was also found between wood basic density and tracheid length. Two superior clones were selected for fibre wood use based on multiple traits combined index.

References

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Last Update: 2013-05-20