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1 August 2003 Repellent Effects of Isoborneol on Subterranean Termites (Isoptera: Rhinotermitidae) in Soils of Different Composition
Verena-Ulrike Bläske, Horst Hertel, Brian T. Forschler
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Abstract

The repellence of the plant-derived bicyclic monoterpenoid isoborneol on subterranean termites was assessed in short-term laboratory bioassays. Depending on concentration, application of isoborneol to different soil types was efficient in creating repellent soil barriers, which were not penetrated by workers of Reticulitermes santonensis De Feytaud or R. flavipes Kollar within 2 wk after adding the substance to the substrate. Isoborneol-treated barriers did not affect termite survival. The bioavailability of the active ingredient decreased with increasing clay content of the soil. Evaporation of isoborneol from treated soil increased with increasing particle size of the substrate and could be reduced by covering the soil surface.

Verena-Ulrike Bläske, Horst Hertel, and Brian T. Forschler "Repellent Effects of Isoborneol on Subterranean Termites (Isoptera: Rhinotermitidae) in Soils of Different Composition," Journal of Economic Entomology 96(4), 1267-1274, (1 August 2003). https://doi.org/10.1603/0022-0493-96.4.1267
Received: 8 June 2002; Accepted: 1 March 2003; Published: 1 August 2003
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KEYWORDS
bioavailability
isoborneol
persistence
Reticulitermes spp.
soil treatments
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