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(-)-germacrene D increases attraction and oviposition by the tobacco budworm moth Heliothis virescens
KTH, Superseded Departments, Chemistry.
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2002 (English)In: Chemical Senses, ISSN 0379-864X, E-ISSN 1464-3553, Vol. 27, no 6, 505-509 p.Article in journal (Refereed) Published
Abstract [en]

The sesquiterpene germacrene D (GD) activates a major type of olfactory receptor neuron on the antennae of the heliothine moths. In Heliothis virescens females, 80% of the recordings have shown activity of one neuron type responding with high sensitivity and selectivity to GD. With the aim of determining the behavioural significance of this sesquiterpene, we have used a two-choice wind-tunnel to study the preference of mated H. virescens females for host plants with and without (-)-GD added. Tobacco plants containing dispensers with low release rate of (-)-GD had a greater attractiveness than tobacco plants without this substance. In addition, a significant increase of oviposition was found on the plants with (-)-GD.

Place, publisher, year, edition, pages
2002. Vol. 27, no 6, 505-509 p.
Keyword [en]
host-plant volatiles, receptor neuron, flight tunnel, females, identification, lepidoptera, responses, beetle, apple
Identifiers
URN: urn:nbn:se:kth:diva-21756ISI: 000177055600003OAI: oai:DiVA.org:kth-21756DiVA: diva2:340454
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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