is gmelina wood termite resistant

The Lion Throne, the most important, and last surviving, of the eight royal thrones of Myanmar, now in the National Museum in Yangon, is carved from Gmelina arborea wood.[6]. Its timber is sought for its durability and is primarily … Certain factors make wood even more desirable to termites: high moisture content, softness, the presence of fungus or decay, and the absence of natural chemicals, resins, or oils that make wood resistant to decay and insects. [8] The parent compounds are arboreol or gmelanone. Ward, Tetrahedron, 1975, Volume 31, Issue 10, Pages 1277–1285. The wood is also fairly durable, moreso if the tree is allowed to mature completely rather than being grown on a plantation. Yemane wood is nondurable but the heartwood is moderately durable and termite resistant. It is strong, yet easy to mill and finish. Gmelina arborea is a popular timber for picture and slate frames, turnery articles and various types of brush backs, brush handles and toys also for handles of chisels, files, saws, screw drivers, sickles etc. [7], Lignans, such as 6" - bromo - isoarboreol, 4-hydroxysesamin, 4,8-dihydroxysesamin, 1,4-dihydroxysesamin (gummadiol), 2-piperonyl-3-hydroxymethyl-4-(α-hydroxy-3,4-methylenedioxybenzyl)-4-hydroxytetrahydrofuran and the 4-O-glucoside of 4-epigummadiol, can be isolated from the heartwood of Gmelina arborea. It doesn’t matter if it is softwood or hardwood, pine, or oak. Geetha Wood Melina is a southeast Asian tree that produces high-quality. 1.buy termite resistant plywood: chemically treated plywood can usually be moisture resistant and fire resistant. It is light demander, tolerant of excessive drought, but moderately frost hardy. It is also planted in gardens and avenues.[4][5]. It is also used for bentwood articles. A beautiful wood known for its characteristic pink to red brownish color, this lumber is known for its resistance to termites. While they can eat any type of wood, there are some species they prefer to avoid as much as possible. [1] Since the 1960s, it has been introduced extensively as fast-growing timber trees in Brazil, Gambia, Honduras, Ivory Coast, Malaysia, Malawi, Nigeria, the Philippines, and Sierra Leone. Saplings and young plants need protection from deer and cattle. A.S.R. At first everybody thought gmelina wood would be useless for anything but paper pulp or maybe concrete forms, but this was not the case. The heartwood of Gmelina is moderately durable. [10], Five constituents, isolated from the heartwood of G. arborea, (+)-7′-O-ethyl arboreol, (+)-paulownin, (+)-gmelinol, (+)-epieudesmin and (−)-β-sitosterol, show antifungal activity against Trametes versicolor.[11]. It is found at altitudes from sea level to 1,500 metres (5,000 ft). F. Kawamura, S. Ohara and A. Nishida, Holzforschung, June 2005, Volume 58, Issue 2, Pages 189–192, Learn how and when to remove this template message, "A tree species reference and selection guide", https://en.wikipedia.org/w/index.php?title=Gmelina_arborea&oldid=975242341, Articles needing additional references from August 2017, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 27 August 2020, at 15:23. In our catalogue, you will encounter products such as green defensers, plywood that can resist termites. P. Satyanarayana, P. Subrahmanyam, R. Kasai and O. Tanaka, Phytochemistry, 1985, Volume 24, Issue 8, Pages 1862–1863. Anjaneyulu, K.Jaganmohan Rao, V.Kameswara Rao, L.Ramachandra Row, C. Subrahmanyam, A. Pelter, R.S. Melina is in general very stable in service. Gmelina arborea grows naturally throughout India, Myanmar, Thailand, Laos, Cambodia, Vietnam and in southern provinces of China. It is used in construction, furniture, carriages, sports, musical instruments and artificial limbs. Certain factors make wood even more desirable to termites: high moisture content, softness, the presence of fungus or decay, and the absence of natural chemicals, resins, or oils that make wood resistant … Only certain parts of these woods are resistant, the heartwood and occasionally the bark. Only certain parts of these woods are resistant, the heartwood and occasionally the bark. Affiliate Disclosure. Gmelina arborea, (in English beechwood, gmelina, goomar teak, Kashmir tree, Malay beechwood, white teak, yamane[3] ), locally known as gamhar, is a fast-growing deciduous tree in the family Lamiaceae. It doesn’t matter if it is softwood or hardwood, pine, or oak. Novel hydroxy lignans from the heartwood of gmelina arborea. Gmelina wood is also raw material or a wood material to use in making pulp or paper. It has good capacity to recover from frost injury. It is used in construction, furniture, carriages, sports, musical instruments and artificial limbs. Sensitive antifungal assay against Basidiomycetes. This website uses cookies to ensure you get the best experience on our website. The gluing properties are reported as good. It proved to be wood pest proof. It is not termite proof. Natural Termite Resistance. Choosing termite resistant wood goes a long way toward preventing these bugs from making a meal of your property. Gamhar trees coppices very well with vigorous growth. It is ideal for construction because of its structural strength and natural resistance to termites. Uses: door and window panels, frames, joinery, furniture and musical instruments. The protective heartwood is found in natural types of trees, such as Eucalyptus, Mahagony or Redwood, Acacia, Cypress, Pine, Teakwood and Cedar. Gmelina arborea leaves are considered good for cattle (crude protein – 11.9%) and are also used as a feed to eri-silkworm. Anjaneyulu, A.Madhusudhana rao, V.Kameswara Rao and L.Ramachandra Row, Tetrahedron, 1977, Volume 33, Issue 1, Pages 133–143. Please see image below of parts of the wood: The wood is also used for manufacturing tea chests and general purpose plywood, blackboards, frame core and cross bands of flush door shutters. Termites live on the cellulose found in wood or certain other plant materials, such as cotton. A.S.R. In the instrument industry gambhar timber is widely employed for the manufacture of drawing boards, plane tables, instrument boxes, thermometer scales and cheaper grade metric scales. Pressure-treated wood is resistant to insects and decay, and lasts longer than un-treated wood. Once seasoned, it is a very steady timber and moderately resistant to decay and ranges from very resistant to moderately resistant to termites. Wikipedia. An apiose-containing coumarin glycoside from gmelina arborea root. Antifungal activity of constituents from the heartwood of Gmelina arborea: Part 1. In boat building it is used for decking and for oars. ... Yemane wood is nondurable but the heartwood is moderately durable and termite resistant. It is an approved timber for handles of tennis rackets, frames and reinforcements of carom boards and packing cases and crates. 1- Melina/Gmelina Wood. This tree is commonly planted as a garden and an avenue tree; growing in villages along agricultural land and on village community lands and wastelands. Gmelina is basically planted and used for wood works such as boat decking, posts, furniture, and general carpentry. A few woods are naturally resistant to termites, including cedar and redwood. Once seasoned, it is a very steady timber and resistant to decay and ranges from very resistant to termites… Gmelina is a blondish colored wood resembling pine. It does not thrive on ill-drained soils and remains stunted on dry, sandy or poor soils; drought also reduces it to a shrubby form. It is termite-resistant and rose-scented. Flowering takes place during February to April when the tree is more or less leafless whereas fruiting starts from May onwards up to June. Gmelina arborea timber is reasonably strong for its weight. Termite resistant heartwood (also called hardwood) is the oldest and hardest central part of a tree. Engineered wood is nothing but composite wood manufactured by binding & fixing the strands, particles, fibers, or veneers or boards of wood, together with adhesives. It is also used in artificial limbs, carriages and bobbins. Pressure-treated wood is resistant to insects and decay, and lasts longer than un-treated wood. The structures of lignans from Gmelina arborea Linn. Once seasoned, it is a very steady timber and moderately resistant to decay and ranges from very resistant to moderately resistant to termites.

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