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Effect of codlemone...
Effect of codlemone isomers on codling moth (Lepidoptera : Tortricidae) male attraction
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- El-Sayed, A. (author)
- SLU, Sweden
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- Unelius, C. Rikard (author)
- KTH, Sweden
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- Liblikas, I. (author)
- KTH, Sweden
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- Lofqvist, J. (author)
- SLU, Sweden
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- Bengtsson, M. (author)
- SLU, Sweden
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- Witzgall, P. (author)
- SLU, Sweden
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(creator_code:org_t)
- 1998-10-01
- 1998
- English.
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In: Environmental Entomology. - : Oxford University Press. - 0046-225X .- 1938-2936. ; 27:5, s. 1250-1254
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We studied the effect of codlemone geometric isomers (E,Z)-, (Z,E)-, and (Z,Z)-8,10-dodecadienol on sex attraction of male codling moth, Cydia pomonella (L.), in the field and in a wind tunnel. The use of an ultrasound evaporator made it possible to apply known rates of compound at defined isomeric purity. In the wind tunnel, 5, 20, and 100% addition of Z,E isomer to (E,E) -8,10-dodecadienol (codlemone) slightly increased male night response. However, field captures with these blends were not significantly different from codlemone alone. A 20 and 100% addition of E,Z isomer decreased male landings on the odor source in the wind tunnel and trap captures in the field; Z,Z had an antagonistic effect at 100%. The equilibrium isomer blend (100% EB; 26% E,Z; 20% Z,E; 5% Z,Z) strongly reduced male attraction. The behavioral effect of isomerization of codlemone in dispenser materials used for mating disruption has to be taken into consideration.
Keyword
- cydia pomonella
- tortricidae
- lepidoptera
- sex pheromone
- attraction inhibitor
- flight tunnel
- nigricana f lepidoptera
- female sex-pheromone
- mating disruption
- cydia-pomonella
- calling females
- wind-tunnel
- communication
- flight
- blend
- dispensers
- Ecological chemistry
- Ekologisk kemi
Publication and Content Type
- ref (subject category)
- art (subject category)
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