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Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard

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 formosanus. Boric acid (technical granular) w...

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Main Authors: Wong, Andrew H.H, J. Kenneth, Grace
Format: E-Article
Language:English
Published: IRGWP 2004
Subjects:
GE Environmental Sciences
SD Forestry
Online Access:http://ir.unimas.my/id/eprint/16070/1/IRG%20WP%2004%2030359%20Laboratory%20Evaluation%20%28abstract%29.pdf
http://ir.unimas.my/id/eprint/16070/
https://www.researchgate.net/publication/268250643_IRGWP_04-30359
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spelling my.unimas.ir.160702017-05-02T08:23:49Z http://ir.unimas.my/id/eprint/16070/ Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard Wong, Andrew H.H J. Kenneth, Grace GE Environmental Sciences SD Forestry 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 formosanus. 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- point AWPA 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 of borate-treated chipboard in both laboratory tests demonstrates the toxicity of borates to Formosan subterranean termites. IRGWP 2004 E-Article PeerReviewed text en http://ir.unimas.my/id/eprint/16070/1/IRG%20WP%2004%2030359%20Laboratory%20Evaluation%20%28abstract%29.pdf Wong, Andrew H.H and J. Kenneth, Grace (2004) Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard. International Research Group on Wood Protection. ISSN 2000-8953 https://www.researchgate.net/publication/268250643_IRGWP_04-30359
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
topic GE Environmental Sciences
SD Forestry
spellingShingle GE Environmental Sciences
SD Forestry
Wong, Andrew H.H
J. Kenneth, Grace
Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard
description 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 formosanus. 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- point AWPA 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 of borate-treated chipboard in both laboratory tests demonstrates the toxicity of borates to Formosan subterranean termites.
format E-Article
author Wong, Andrew H.H
J. Kenneth, Grace
author_facet Wong, Andrew H.H
J. Kenneth, Grace
author_sort Wong, Andrew H.H
title Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard
title_short Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard
title_full Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard
title_fullStr Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard
title_full_unstemmed Laboratory Evaluation of the Formosan Subterranean Termite Resistance of Borate-treated Rubberwood Chipboard
title_sort laboratory evaluation of the formosan subterranean termite resistance of borate-treated rubberwood chipboard
publisher IRGWP
publishDate 2004
url http://ir.unimas.my/id/eprint/16070/1/IRG%20WP%2004%2030359%20Laboratory%20Evaluation%20%28abstract%29.pdf
http://ir.unimas.my/id/eprint/16070/
https://www.researchgate.net/publication/268250643_IRGWP_04-30359
_version_ 1644512285854531584
score 13.211869

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