Resistance of Borate-Treated Rubberwood Chipboard to the Formosan Subterranean Termite (lsoptera: Rhinotermitidae)

Wong, Andrew H.H and J. Kenneth, Grace (2004) Resistance of Borate-Treated Rubberwood Chipboard to the Formosan Subterranean Termite (lsoptera: Rhinotermitidae). Sociobiology, 44 (3). pp. 519-525. ISSN 0361-6525

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Both no-choice and two-choice 4-week AWPA laboratory tests were performed to evaluate the resistance of borate-treated rubberwood (Hevea brasiliensis) chipboard prepared from a commercial mill run, against the Formosan subterranean termite Coptotermes fonnosanus. Boric acid (technical granular) was incorporated into the boards during manufacture to achieve loadings of 1.0% or 1.1% boric acid equivalents (BAE). In the no-choice test, both the untreated chipboard and solid rubberwood controls sustained heavy termite attack (respective mean visual ratings of 4.6 and 2.7 on a 10-pointAWPA scale). while the two retentions of borate-treated chipboard showed only light grazing (mean rating 9.2). The two-choice test demonstrated a preference of termites for solid rubberwood (mean rating 2.4) instead of untreated chipboard (rating 8.4), and for untreated (mean rating 8.4 and 8.8) instead of borate-treated (mean ratings 9.8 & 9) chipboards. Complete termite mortality in the presence ofborate-treated chipboard in both laboratory tests demonstrates the toxicity of borates to Formosan subterranean termites.

Item Type: Article
Uncontrolled Keywords: Hevea brasUiensis, Coptotermesfonnosanus, wood composite, borate wood treatment, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Academic Faculties, Institutes and Centres > Faculty of Resource Science and Technology
Depositing User: Karen Kornalius
Date Deposited: 03 May 2017 01:50
Last Modified: 03 May 2017 01:50

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