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Attraction of Pea Moth Cydia-Nigricana F (Lepidoptera, Tortricidae) to Female Sex-Pheromone (E,E)-8,10-Dodecadien-1-Yl Acetate, Is Inhibited by Geometric Isomers E,Z, Z,E, and Z,Z
SLU, Sweden.
SLU, Sweden.
KTH, Sweden.ORCID iD: 0000-0001-7158-6393
SLU, Sweden.
1993 (English)In: Journal of Chemical Ecology, ISSN 0098-0331, E-ISSN 1573-1561, Vol. 19, no 9, 1917-1928 p.Article in journal (Refereed) Published
Abstract [en]

Field attraction of Cydia nigricana males to synthetic female sex pheromone (E,E)-8,10-dodecadien-1-yl acetate, formulated on red rubber septa, declined continuously during two weeks. This was due to isomerization of (E,E)-8, 10-dodecadien-1-yl acetate: eight days after application of purified E,E isomer, the proportion of E,Z; Z,E; and Z,Z isomers in rubber septa aged in the laboratory was 4 %; a 5 % addition of any one of these isomers to fresh lures of (E,E)-8, 10-dodecadien-1-yl acetate significantly reduced male attraction. Stereospecific syntheses of (E,Z)-, (Z,E)-, and (Z,Z)-g, 10-dodecadien-1-yl acetate are described. The pheromone gland of Cydia nigricana contains 0.8 ng/female of (E,E)-8,10-dodecadien-1-yl acetate, accompanied by three monounsaturated acetates, (E)-9-dodecen-1-yl acetate, (Z)-5-tetradecen-1-yl acetate, and (Z)-7-tetradecen-1-yl acetate (0.1 ng/female each). These compounds did not augment male trap catch when added to (E,E)-8,10-dodecadien-1-yl acetate.

Place, publisher, year, edition, pages
1993. Vol. 19, no 9, 1917-1928 p.
Keyword [en]
sex pheromone, conjugated diene isomerization, attraction inhibitor, stereospecific synthesis, (e, e)-8, 10-dodecadien-1-yl acetate, cydia-nigricana, tortricidae, lepidoptera, codling moth, mass-spectra, double-bond, pomonella, efficacy, traps, stability, lures
National Category
Natural Sciences
Research subject
Natural Science, Ecological chemistry
Identifiers
URN: urn:nbn:se:lnu:diva-14101ISI: A1993LW83200007OAI: oai:DiVA.org:lnu-14101DiVA: diva2:440829
Note

Lw832 Times Cited:26 Cited References Count:31

Available from: 2011-09-13 Created: 2011-09-13 Last updated: 2017-01-11Bibliographically approved

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