Exotic tree species in commercial plantations in Sabah Malaysia

Tan K.C., . Exotic tree species in commercial plantations in Sabah Malaysia. pp. 62-71. ISSN 0302-2935

Plantations of exotic species were established beginning 1974 by Sabah Softwoods Sdn. Bhd. in the state of Sabah Malaysia. The performance of the various hardwood species namely Acacia mangium Eucalyptus deglupta Gmelina arborea and Paraserianthes falcataria in terms of growth and form characteristics volume increments and pests and disease problems is discussed. Economic analysis shows that growing trees on a commercial scale can be profitable. Data base indicates that with the exception of P. falcataria the wood of which is too light it is best to consider managing the present plantations primarily for pulpwood production. P. falcataria is currently being exported in the log form. High establishment and tending costs and poor survival have resulted in Pinus caribaea var. Hondurensis being phased out early in the project. The performance of E. deglupta has been disappointing in general. The prospects of yield increase in the near future is good with further research efforts. The tree improvement program has already seen a marked improvement in the form and branching characteristics of G. arborea in Sabah making the species more attractive to grow in plantations.

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Abstract

Plantations of exotic species were established beginning 1974 by Sabah Softwoods Sdn. Bhd. in the state of Sabah Malaysia. The performance of the various hardwood species namely Acacia mangium Eucalyptus deglupta Gmelina arborea and Paraserianthes falcataria in terms of growth and form characteristics volume increments and pests and disease problems is discussed. Economic analysis shows that growing trees on a commercial scale can be profitable. Data base indicates that with the exception of P. falcataria the wood of which is too light it is best to consider managing the present plantations primarily for pulpwood production. P. falcataria is currently being exported in the log form. High establishment and tending costs and poor survival have resulted in Pinus caribaea var. Hondurensis being phased out early in the project. The performance of E. deglupta has been disappointing in general. The prospects of yield increase in the near future is good with further research efforts. The tree improvement program has already seen a marked improvement in the form and branching characteristics of G. arborea in Sabah making the species more attractive to grow in plantations.

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Item Type:	Article
Additional Information:	2 tables; 3 ref. Summary (En)
AGROVOC Term:	ACACIA MANGIUM
AGROVOC Term:	EUCALYPTUS DEGLUPTA
AGROVOC Term:	GMELINA ARBOREA
AGROVOC Term:	SABAH/ PINUS CARIBAEA
AGROVOC Term:	PLANTACION FORESTAL
AGROVOC Term:	DESEMPENO
Depositing User:	Ms. Norfaezah Khomsan
Last Modified:	24 Apr 2025 05:55
URI:	http://webagris.upm.edu.my/id/eprint/20164

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