Resistance of eastern redcedar panels to damage by subterranean termites (Isoptera: Rhinotermitidae)

AUTHOR(S)

Kard, Brad; Hiziroglu, Salim; Payton, Mark E.

PUB. DATE

November 2007

SOURCE

Forest Products Journal;Nov2007, Vol. 57 Issue 11, p74

SOURCE TYPE

Academic Journal

DOC. TYPE

Article

ABSTRACT

The study investigated resistance of experimental particleboard-chip panels manufactured from eastern redcedar (Juniperus virginiana L.) to feeding by the wood-destroying eastern subterranean termite, Reticulitermes flavipes (Kollar). Eastern redcedar raw chips with or without foliage, and 2.5 by 2.5 by 1.3-cm rectangular blocks of single-layer or triple-layer particleboard-chip panels with or without foliage were exposed to foraging termites. Chips and blocks sustained some damage by feeding termites but were not equally preferred. In choice tests, where all chips and panel blocks pins controls were simultaneously available to foraging termites, radiata pine sustained 44.6 percent weight loss compared with 2.1 to 6.1 percent weight loss for chips and blocks. In no-choice feeding tests, where termites received only one type of food resource, raw redcedar chips and panel blocks sustained less feeding damage compared with radiata pine sapwood, and termite worker survival was less than 24 percent after 12 weeks, compared with more than 84 percent survival in radiata pine controls. Additionally in no-choice tests, chips and blocks lost 4.9 to 6.3 percent weight, whereas radiata pine controls sustained 9.2 percent weight loss. Based on these findings, redcedar panels tested exhibited moderate resistance against termite damage.

ACCESSION #

27802543

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