TAILIEUCHUNG - Báo cáo lâm nghiệp: "Electrophysiological and behavioral responses of Dendroctonus valens to non-host volatiles"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Electrophysiological and behavioral responses of Dendroctonus valens to non-host volatiles. | Ann. For. Sci. 64 2007 267-273 INRA EDP Sciences 2007 DOI forest 2007004 267 Original article Electrophysiological and behavioral responses of Dendroctonus valens to non-host volatiles Long-wa ZHANGa b Nancy E. GlLLETTEc Jiang-hua SUNa a State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of Zoology the Chinese Academy of Sciences Beijing 100080 PR China b Graduate School of Chinese Academy of Science Beijing 100080 PR China c USDA Forest Service Pacific Southwest Research Station Berkeley CA 94701 USA Received 8 May 2006 accepted 25 August 2006 Abstract - Non-host volatiles NHVs that are often reported as being disruptive to coniferophagous bark beetles were tested for both electrophysiological and behavioral effects on the red turpentine beetle Dendroctonus valens LeConte Coleoptera Curculionidae Scolytinae which was accidentally introduced into China in the mid-1980 s. All NHVs tested elicited dose-dependent antennal responses by D. valens. In Y-tube olfactometer trials D. valens were repelled by NHVs tested. When NHVs were added to a kairomone blend responses of D. valens were significantly inhibited. Further field trapping experiments showed that attraction of D. valens to kairomone baited traps was reduced by all individual NHVs with reductions ranging from to 70 . 1-Octen-3-ol Z -3-hexen-1-ol and E -2-hexen-1-ol were the three most effective NHVs significantly reducing D. valens to kairomone-baited traps by and respectively. In the development and implementation of a semiochemical-based management programme for D. valens NHVs may have considerable potential for disrupting the beetle s ability to locate suitable hosts. non-host volatiles red turpentine beetle electroantennograms olfactory response field trapping Résumé - Réponses électrophysiologiques et comportementales de Dendroctonus valens à des composes volatils non-hôtes. Au cours de cette étude on a testé les effets de composés volatils non .

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