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Information Sheets of Selected Clones under Commercialization   
   Field Plots   

YSG Biotech continues to carry out research activities for the selection of teak trees with superior traits based on phenotypic characteristics such as fast growth, straight bole, and minimal branching. Advanced research works in areas of DNA fingerprinting and wood analysis on wood quality features have also been conducted in collaboration with CIRAD on selected clones in relation to the certification process, providing value-added information that aids in the promotion of our planting materials.

Advanced R & D: DNA and Wood Analysis of Selected Clones

Destructive Sampling

Destructive sampling involves securing a diametrical plank 1m in length and 3 to 5 cm in width from the lower portion of felled trees. This approach can be used for genotypes represented by several trees, such as from clonal tests or plantations. Information that can be obtained from such samples includes ring analysis, heartwood proportion, basic density, figure including grain, modulus of elasticity, strength, radial and tangential shrinkages, natural durability, dimensional stability and wood uniformity.

Photo : Plank destructive sampling using a chainsaw Photo : Freshly collected board samples

Non-Destructive Sampling

Similar information can be obtained using non-destructive methods, such as core sampling. These approaches are appropriate in cases where genotypes are represented by one tree only that must be kept alive to be potentially used as a mother tree for seed or clone production, or some other use requiring the intact tree. Core sampling involves extracting a core of 15mm in diameter and 40 to 60 cm in length. It can be done in any teak tree within 2 to 5 minutes, depending on the size of the tree. Near infra red spectroscopy technology (NIRS) is used to help assess the wood qualities of a tree from such core sample.

Photo : Non-destructive core sampling method using
a hand-held motor driven drill attached with a
wood corer specially developed for teak
Photo : Without having to fell a tree, a core sample (as shown) is obtained for wood analysis

Research on Other Species

Apart from Teak and Acacias, YSG Biotech is currently diversifying its activities to research and development of in vitro protocols for orchids, specifically those indigenous to Borneo, mainly for conservation purpose. Species of interest consist of Tiger Orchids (Grammatophyllum speciosum), Borneo/Moon Orchids (Phalaenopsis amabilis), Vanilla Orchids (Vanilla planifolia) and more. Other economically-important plant species under R & D include oil palm, Albizia (Paraserianthes falcataria) and African Mahogany (Khaya ivorensis) with the objective to ultimately translate the outcomes onto the commercialization path.