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TREE TRAITS THAT DEFINE TIMBER IDEOTYPES OF GMELINA ARBOREA ROXB.
Shierel F. Vallesteros

College of Forestry, Nueva Vizcaya State University Bayombong, Nueva Vizcaya 3700
sfvallesteros[at]gmail.com


Abstract

Gmelina (Gmelina arboreaRoxb.) is the most widely planted tree species in Nueva Vizcaya province in the Philippines. Its role in local wood supply becomes more important as a consequence of the ban on harvesting naturally growing timber. More than 90% of the wood supply, based on reported transactions in 2013, is gmelina. Wood is coming from different planting configurations such as solitary trees, homegardens, road sides, riparian strips, small stands, and large plantations. While gmelina appears to the most important tree in meeting local demand for wood, the yield per hectare is low due to poor tree management and mismatch between species and site. Survey results indicate great potentials for tree improvement with effort coming from the tree owners themselves and supported by scientific approach in tree improvement. As one of the initial steps, research on ideotype, or conceptual model of an ideal plant, promises to play a key role. The study worked on gmelina timber ideotype. Between-tree-traits relationships were investigated in order to see what traits might be subjected for simultaneous improvement. Many significant relationships came out that would lead to defining the desired tree forms. Not a single form shall come out as combination of traits may result in increased in wood yield in tree or stand.

Keywords: Traits; timber ideotypes; Gmelina arborea

Topic: AGRO FORESTRY AND BIODIVERSITY

Link: https://ifory.id/abstract/bgEhXZAye8vW

Conference: INTERNATIONAL CONFERENCE ON GREEN AGRO-INDUSTRY AND BIOECONOMY (ICGAB 2019)

Plain Format | Corresponding Author (Shierel Fabia Vallesteros)

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