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      Comparative Study of the Resistance of Six Hawaii-Grown Bamboo Species to Attack by the Subterranean Termites Coptotermes formosanus Shiraki and Coptotermes gestroi (Wasmann) (Blattodea: Rhinotermitidae)

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      Insects

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      Coptotermes formosanus, Coptotermes gestroi, bamboo, wood resistance

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          Abstract

          Bamboo is widely grown and utilized as a construction material around the world, particularly in the tropics. At present, there are about 70 bamboo species and varieties recorded from Hawaii. The objective of our study was to determine the relative resistance of six Hawaii-grown bamboo species to attack by Coptotermes formosanus Shiraki and Coptotermes gestroi (Wasmann). Four-week laboratory feeding trials were performed as described in standard E1-09 of the American Wood Protection Association (AWPA 2009). Samples of each of the six bamboo species were individually exposed to 200 termites (with 10% soldiers); and termite mortality, wood mass loss, and visual appearance of the samples (on a scale of 0–10) were recorded at the conclusion of the trail. Mean mass losses of the six species as a result of termite feeding ranged from 13–29%; with the two most resistant bamboo species, Gigantocholoa pseudoarundinacea and Bambusa oldhamii, demonstrating significantly greater resistance to termite attack than the most susceptible bamboo species, Guadua anguistifolia, with both termite species. Dendrocalamus brandisii, Dendrocalamus latiflorus, and Bambusa hirose were intermediate in their termite resistance. Overall, we observed very little difference in wood preference between C. formosanus and C. gestroi. Although bamboo is a very promising construction material, and species clearly differ in their susceptibility to termite attack, all six species evaluated in the present study would require additional protection for use under conditions of high termite pressure.

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          Most cited references 43

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          The bamboos of the world: annotated nomenclature and literature of the species and the higher and lower taxa

           D. Ohrnberger (1999)
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            Distribution and conservation status of forest bamboo biodiversity in the Asia-Pacific region

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              Termite resistance of wood species grown in Hawaii

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                Author and article information

                Journal
                Insects
                Insects
                Insects
                Insects
                MDPI
                2075-4450
                December 2011
                03 November 2011
                : 2
                : 4
                : 475-485
                Affiliations
                College of Tropical Agriculture & Human Resources, University of Hawaii at Manoa, 3050 Maile Way, Gilmore Hall 310, Honolulu, HI 96822, USA; E-Mail: kennethg@ 123456hawaii.edu
                Author notes
                [* ]Author to whom correspondence should be addressed; E-Mail: nirmala@ 123456hawaii.edu ; Tel.: +1-808-956-2462; Fax: +1-808-956-2460.
                Article
                insects-02-00475
                10.3390/insects2040475
                4553440
                © 2011 by the authors; licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license( http://creativecommons.org/licenses/by/3.0/).

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