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桉树多树种无性系综合选择(PDF)

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

Issue:
2005年05期
Page:
61-64
Column:
研究论文
publishdate:
2005-05-20

Article Info:/Info

Title:
Integrated Selection of Clones from Eucalyptus Species
Article ID:
1000-2006(2005)05-0061-04
Author(s):
LU Zhao-hua1 XU Jian-min1 Li Guang-you1 BAI Jia-yu1 QI Shu-xiong2
1. Research Institute of Tropical Forestry, CAF, Guangzhou 510520, China; 2. Advisers Comrnittee, Sino-Forest Corporation, Zhanjiang 524022, China
Keywords:
Eucalyptus Clone Comprehensive multi-character valuation
Classification number :
S722
DOI:
10.3969/j.jssn.1000-2006.2005.05.015
Document Code:
A
Abstract:
The 20 Eucalyptus clones test analyzed results involving 5 species showed that there were highly significant differences in growth and other characteristics among clones. Repeatability of clones and individual retained the stable level at different ages with 61.46%~93.84% and 28.51%~79. 19% for different characteristics studied, respectively. There were closely phenotypic,genetic and environmental correlation among H,DBH and SV each other. Branch size (BR) had significant negative correlation with growth characteristics. At an age of 5. 5 year old, the mean value of individual volume (SV) of the fastest clone (TH9113) (0. 092 08 m3) was 4. 078 0 and 1. 962 9 times of the worst clone (CP01) and the whole population (all clones), respectively. All clones were categorized into 4 classes by u sing principal component analysis,and the fastest class was 264. 99% higher than the lowest class with a obvious level of productivity increasing.

References

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Last Update: 2013-05-20