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In Papua New Guinea, timber is commonly attacked by borer beetles and termites. Borers such as ambrosia and bostrychid beetles attack logs that are drying. Attack by these 'green timber' insects may be prevented by a variety of techniques, including the application of a preservative treatment to susceptible sapwood. Lyctine beetles and termites degrade timber in service and are major 'dry timber' insect pests.

Drying timber to produce material for high-quality applications is an expensive and time-consuming operation. It is often referred to as the ‘bottleneck’ of the production process. Timber drying depends on many different parameters, including the environmental conditions and the species and thickness of timber being dried. In general, practical objectives are related to low drying cost, short drying time and reasonable dried quality.   There are currently 2 technical reports available on these topics:

  • Pest protection prescriptions
  • Drying of wood in Papua New Guinea

 

Timber preservation techniques:

This technical report describes the pests that attack and damage green (drying timber) and timber in service. It provides best practice in managing timber and preservative treatments to protect timbers against insect attack. The report is an output of the ACIAR Project: Development of durable engineered wood products in PNG and Australia.

 

Timber drying techniques:

This technical report provides sawmill owners and drying operators in Papua New Guinea with general observations of kiln drying operations, including recommendations for improvements and a protocol for trained kiln operators and researchers to perform a more detailed drying audit to make further improvement and continued quality assurance. The report is an output of the ACIAR Project: Development of durable engineered wood products in PNG and Australia.


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