Plus Tree Selection of Cinnamomum porrectum (Roxb.) Kosterm. in Phangnga Province

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Suwimon Uthairatsamee
Damrong Pipatwattanakul
Somporn Maelim
Chakrit Na Takuathung

Abstract

Thep tharo (Cinnamomum porrectum (Roxb.) Kosterm.) Is a medicinal and aromatic tree mostly distributed throughout southern Thailand. The utilization of this species is wood products, essential oil, and medicinal products. Currently, the population in natural habitat has been greatly reduced. Therefore the replanting should be promoted. In the process of replanting and tree improvement program, plus tree selection is one of the most important factors that must be considered. The objectives of this study were to set up plus tree selection criteria and to select Thep tharo plus trees for seed and seedling production. The selection was carried out in natural stand at Nirotrangsri Temple, Thai Mueang District, Phangnga Province. The combined 10 criteria of wood productivity and pharmaceutical purposes, including total height, diameter at breast height, clear bole, stem straightness, stem borer, bark thickness, crown density, essential oil content, active compound content and biological activity, were used as plus tree selection criteria. According to these criteria, 10 plus trees were selected from the study site and can be used as seed and seedling source for replanting in natural forest and plantation. Moreover, these plus trees are available for further tree improvement program.

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How to Cite
Uthairatsamee, S., Pipatwattanakul, D., Maelim, S., & Na Takuathung, C. (2016). Plus Tree Selection of Cinnamomum porrectum (Roxb.) Kosterm. in Phangnga Province. Thai Journal of Forestry, 35(2), 41–53. Retrieved from https://li01.tci-thaijo.org/index.php/tjf/article/view/247387
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Original Articles

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