STUDY ON SOME PHYSICAL PROPERTIES OF SOUND AND DISEASE AFFECTED SISSOO ( DALBERGIA SISSOO ROXB.) WOOD

M.O.  Hannan; S.M.M.  Hasnin; M.S.  Islam; M.A.  Islam

doi:10.53808/KUS.2001.3.1.0107-L

Authors

M.O. Hannan Forestry and Wood technology Discipline, Khulna University, Khulna 9208, Bangladesh
S.M.M. Hasnin Forestry and Wood Technology Discipline, Khulna University, Khulna-9208, Bangladesh
M.S. Islam Forestry and Wood Technology Discipline, Khulna University, Khulna-9208, Bangladesh
M.A. Islam Forestry and Wood Technology Discipline, Khulna University, Khulna-9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.2001.3.1.0107-L

Keywords:

Dalbergia sissoo; Degraded wood; Wood physics

Abstract

Dalbergia sissoo is an important multipurpose tree species and planted in agroforestry and social forestry practices in Bangladesh. On account of its great strength, elasticity and durability it is valued as good construction and utility timber in Bangladesh. Sapling and trees of 10-15 years old plantation have been dying for unknown diseases since 1996. Shrinkage and specific gravity were studied for sound and disease affected sissoo ( Dalbergia sissoo) wood at three height positions. Specific gravity was determined on the basis of green and ovendry volumes. Wood of sound, moderately affected and severely affected trees shows significant difference in respect of tangential and radial shrinkage respectively. Shrinkage and specific gravity were found to be independent of the different height positions.

Downloads

Download data is not yet available.

References

Anon, 1970. Indian Forest Utilization. Volume I, Manager of Publications, New Delhi, pp. 146.

Hannan, M.O., Roy, A.K. and Hasnin, S.M., 1999. Comparative study on the constituents of sound and disease affected sissoo (Dalbergia sissoo Roxb.) wood. Khulna University Studies,1(2): 139-142.

Lahiry, A.K., 1994a. Age of tree Vs durability of wood (Theory Vs experience). Journal of Timber Development Association (India), XL (2): 20-30.

Lahiry, A.K., 1994b. Study of density, shrinkage, fibre stress and CCA treatability of ten timber species grown in Bangladesh. Journal of Timber Development Association (India), XL (4): 33-39.

Lahiry, A.K., 1997. CCA treatment groups for hardwood and softwood poles for tropical and subtropical use. The Malaysian Forester, 60 (2): 77-83.

Panshin, A.J. and Zeeuw, C. de., 1980. Textbook of Wood Technology. McGraw-Hill Book Company, New York, pp. 202-213.

REB, 1998. REB Standard for Wooden Crossarms. Rural Electrification Board, Dhaka, pp. 24.

REB, 2001. REB Standard for Wood Poles. Rural Electrification Board, Dhaka, pp.46.

Satter, M.A, 1981. Some physical properties of 116 Bangladeshi timbers. Bull. 7, (Wood Seasoning Series), BFRI, Chittagong, pp.15.

Satter, M.A., Talukder, Y.A. and Sarker, S.B. 1980. Shrinkage and density studies on twenty one wood species of Bangladesh, Bulletin -5. (Wood Seasoning Series), BFRI, Chittagong, pp.10.

Tewari, D.N., 1994. A monograph on Dalbergia sissoo Roxb. Indian Council of Forestry Research and Education. International Book Distributors. 9/3, Rajpur road, Dehradun- 248001, India.