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Forests 2016, 7(9), 192; doi:10.3390/f7090192

Variation in the Growth Traits and Wood Properties of Chinese Fir from Six Provinces of Southern China

National Engineering Laboratory for Tree Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
Guangdong Provincial Key Laboratory of Bio-control for the Forest Disease and Pest, Guangdong Academy of Forestry, Guangzhou 510520, Guangdong, China
The ex situ gene bank of Longshan State Forest Farm, Lechang 512221, Guangdong, China
Jiangle National Forest Farm, Sanming 353300, Fujian, China
Author to whom correspondence should be addressed.
Academic Editors: Brian J. Palik and Timothy A. Martin
Received: 24 June 2016 / Revised: 19 August 2016 / Accepted: 25 August 2016 / Published: 31 August 2016
View Full-Text   |   Download PDF [1526 KB, uploaded 31 August 2016]   |  


To determine the phenotypic variation in 700 ten-year grafted Chinese fir collected from six provinces in southern China, 10 phenotypic traits were investigated: tree height, diameter at breast height, bark thickness, volume of timber, heartwood ratio, density of wood, hygroscopicity, tracheid length, tracheid diameter, and ratio of tracheid length to tracheid diameter. Abundant phenotypic variation was found among the six populations; the phenotypic variation coefficients all exceeded 10%, and the largest was for volume of timber. Significant variation (p < 0.01 or 0.05) in traits was found among the populations, except for diameter at breast height, heartwood ratio, and tracheid diameter, while all traits differed significantly (p < 0.01) within populations. The high value of repeatability (broad-sense heritability) suggested moderate genetic control of the traits. The 10 traits were strongly correlated within the entire population; strong positive correlations (p < 0.01) were observed between growth traits, and significant negative correlations (p < 0.01 or 0.05) were found between the density of wood and most other characteristics, except for heartwood ratio and ratio of tracheid length to tracheid diameter. Using diameter at breast height and density of wood as criteria, 98 relatively fast-growing genotypes with relatively high wood basic density were identified. View Full-Text
Keywords: Chinese fir; phenotypic variation; growth traits; wood properties; correlation Chinese fir; phenotypic variation; growth traits; wood properties; correlation

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Duan, H.; Cao, S.; Zheng, H.; Hu, D.; Lin, J.; Lin, H.; Hu, R.; Sun, Y.; Li, Y. Variation in the Growth Traits and Wood Properties of Chinese Fir from Six Provinces of Southern China. Forests 2016, 7, 192.

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