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(-)-germacrene D increases attraction and oviposition by the tobacco budworm moth Heliothis virescens
KTH, Tidigare Institutioner                               , Kemi.
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2002 (Engelska)Ingår i: Chemical Senses, ISSN 0379-864X, E-ISSN 1464-3553, Vol. 27, nr 6, s. 505-509Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2002. Vol. 27, nr 6, s. 505-509
Nyckelord [en]
host-plant volatiles, receptor neuron, flight tunnel, females, identification, lepidoptera, responses, beetle, apple
Identifikatorer
URN: urn:nbn:se:kth:diva-21756ISI: 000177055600003OAI: oai:DiVA.org:kth-21756DiVA, id: diva2:340454
Anmärkning
QC 20100525Tillgänglig från: 2010-08-10 Skapad: 2010-08-10 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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Borg-Karlson, Anna-Karin
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