PHYSICAL AND MECHANICAL EVALUATION OF 8-YEARS-OLD ACACIA HYBRID (Acacia mangium x A. auriculiformis) CLONES FOR VARIOUS END USES

Indonesian Journal of Forestry Research

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Title PHYSICAL AND MECHANICAL EVALUATION OF 8-YEARS-OLD ACACIA HYBRID (Acacia mangium x A. auriculiformis) CLONES FOR VARIOUS END USES
 
Creator Sharma, S. K.
Shukla, S. R.
Sujatha, M.
 
Subject Acacia hybrid; clones; wood quality; mechanical properties; suitability figures
 
Description Currently, clonal of forest tree is gaining importance due to the yield improvement and low variability in different wood characteristics. Hybrid trees from clonal forest are importantly characterized in term of wood quality for finding  suitable uses. Accordingly, three clones (HD3, K47, H4) of 8-year-old Acacia hybrid (Acacia mangium × A. auriculiformis) were evaluated for inter-clonal comparison of its wood quality by evaluating their physical and mechanical properties as per Indian Standards. All tree clones were studied at breast high including diameter, heartwood content, and physical and mechanic properties. The Dbh of all  three clones was around 30–35% and 60–70% greater than pure forms of A. auriculiformis and A. mangium of the same age, respectively. The volumetric shrinkage of all  three clones was found to vary from 7.8 to 8.6%. The low shrinkage values may be attributed to higher dimensional stability of the wood of these clones. The data obtained in green and air-dry conditions were used to calculate ‘suitability indices’ with respect to teak (Tectona grandis) which was taken as a reference wood for comparison in India. All the suitability indices that these clones were either comparable or slightly lower than those of pure forms of A. auriculiformis and A. mangium. Less inter-clonal variation was observed in most of the suitability indices. Though, all the three clones were exclusively grown for their use in pulp and paper industry, but the comparative suitability figures for different end uses indicate that these clones could also be used for certain non-structural applications such as tool handles, light packing cases, pallets and light furniture.
 
Publisher Secretariat of Forestry Research and Development Agency
 
Contributor Indian Council of Forestry Research and Education, Dehradun, India
 
Date 2018-10-31
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://ejournal.forda-mof.org/ejournal-litbang/index.php/IJFR/article/view/3005
10.20886/ijfr.2018.5.2.95-102
 
Source Indonesian Journal of Forestry Research; Vol 5, No 2 (2018): Indonesian Journal of Forestry Research; 95-102
2406-8195
2355-7079
 
Language eng
 
Relation http://ejournal.forda-mof.org/ejournal-litbang/index.php/IJFR/article/view/3005/4403
 
Rights Copyright (c) 2018 Indonesian Journal of Forestry Research
http://creativecommons.org/licenses/by-nc-sa/4.0
 

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