Germacrene D
The sesquiterpene germacrene D (GD) activates a major type of olfactory receptor neuron on the antennae of the heliothine moths, it can increase attraction and oviposition by the tobacco budworm moth Heliothis virescens.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
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Chem. Senses, 2002, 27(6):505-9.
(-)-Germacrene D increases attraction and oviposition by the tobacco budworm moth Heliothis virescens.[Pubmed:
12142326]
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.
METHODS AND RESULTS:
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.
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