[9], Umbelliferone 7-apiosylglucoside can be isolated from the root. It is used in construction, furniture, carriages, sports, musical instruments and artificial limbs. Gmelina arborea is a fast-growing tree, which grows on different localities and prefers moist fertile valleys with 750–4500 mm rainfall. Anjaneyulu, K.Jaganmohan Rao, V.Kameswara Rao, L.Ramachandra Row, C. Subrahmanyam, A. Pelter, R.S. P. Satyanarayana, P. Subrahmanyam, R. Kasai and O. Tanaka, Phytochemistry, 1985, Volume 24, Issue 8, Pages 1862–1863. Once seasoned, it is a very steady timber and resistant to decay and ranges from very resistant to termites… Subterranean termites will happily feed on any of the common woods used for structural lumber in homes. Ward, Tetrahedron, 1975, Volume 31, Issue 10, Pages 1277–1285. Gamhar trees coppices very well with vigorous growth. Gmelina arborea leaves are considered good for cattle (crude protein – 11.9%) and are also used as a feed to eri-silkworm. Heartwood is the center of the trunk of the tree and the hardest part of the trunk. It doesn’t matter if it is softwood or hardwood, pine, or oak. Gmelina is a blondish colored wood resembling pine. A few woods are naturally resistant to termites, including cedar and redwood. Once seasoned, it is a very steady timber and moderately resistant to decay and ranges from very resistant to moderately resistant to termites. ... Yemane wood is nondurable but the heartwood is moderately durable and termite resistant. Engineered wood is nothing but composite wood manufactured by binding & fixing the strands, particles, fibers, or veneers or boards of wood, together with adhesives. Wikipedia. Gmelina is basically planted and used for wood works such as boat decking, posts, furniture, and general carpentry. The wood is also used for manufacturing tea chests and general purpose plywood, blackboards, frame core and cross bands of flush door shutters. Anjaneyulu, A.Madhusudhana rao, V.Kameswara Rao and L.Ramachandra Row, Tetrahedron, 1977, Volume 33, Issue 1, Pages 133–143. Pressure-treated wood is resistant to insects and decay, and lasts longer than un-treated wood. Termites live on the cellulose found in wood or certain other plant materials, such as cotton. It doesn’t matter if it is softwood or hardwood, pine, or oak. The protective heartwood is found in natural types of trees, such as Eucalyptus, Mahagony or Redwood, Acacia, Cypress, Pine, Teakwood and Cedar. It is strong, yet easy to mill and finish. 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. 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. 1.buy termite resistant plywood: chemically treated plywood can usually be moisture resistant and fire resistant. The fruit is up to 2.5 cm long, smooth, dark green, turning yellow when ripe and has a fruity smell. Sensitive antifungal assay against Basidiomycetes. 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 … 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. It is light demander, tolerant of excessive drought, but moderately frost hardy. Other alternative names are asana, mukwa and padauk. The gluing properties are reported as good. Affiliate Disclosure. 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. Please see image below of parts of the wood: The heartwood of Gmelina is moderately durable. A.S.R. Flowering takes place during February to April when the tree is more or less leafless whereas fruiting starts from May onwards up to June. Antifungal activity of constituents from the heartwood of Gmelina arborea: Part 1. Gmelina arborea timber is reasonably strong for its weight. 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 is found at altitudes from sea level to 1,500 metres (5,000 ft). Its timber is sought for its durability and is primarily … At first everybody thought gmelina wood would be useless for anything but paper pulp or maybe concrete forms, but this was not the case. It proved to be wood pest proof. 'Kumizh tree' when burnt yields the whitest possible ash; mention is made by certain 'rock art enthusiasts' that this ash is one of the ingredients in the semi-solid white ochre used to draw the very ancient 'cave paintings,' as old as 3,000 to 5,000 years or more; found in the dense forests of Tamil Nadu. Once seasoned, it is a very steady timber and moderately resistant to decay and ranges from very resistant to moderately resistant to termites. The strong combination between the wood layers ensures high durability and resistance to destruction. Saplings and young plants need protection from deer and cattle. This website uses cookies to ensure you get the best experience on our website. In boat building it is used for decking and for oars. Novel hydroxy lignans from the heartwood of gmelina arborea. Geetha Wood Melina is a southeast Asian tree that produces high-quality. It is used in construction, furniture, carriages, sports, musical instruments and artificial limbs. It has good capacity to recover from frost injury. Termite resistant heartwood (also called hardwood) is the oldest and hardest central part of a tree. 1- Melina/Gmelina Wood. [8] The parent compounds are arboreol or gmelanone. Melina is in general very stable in service. [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. [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. The structures of lignans from Gmelina arborea Linn. Only certain parts of these woods are resistant, the heartwood and occasionally the bark. 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