NDLI: Behavioral observations of codling moth, Cydia pomonella, in orchards permeated with synthetic pheromone

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Behavioral observations of codling moth, Cydia pomonella, in orchards permeated with synthetic pheromone

Content Provider	Springer Nature Link
Author	Witzgall, Peter Bäckman, Anna Carin Svensson, Mats Koch, Uwe Rama, Franco El Sayed, Ashraf Brauchli, Julia Arn, Heinrich Bengtsson, Marie Löfqvist, Jan
Copyright Year	1999
Abstract	Mating disruption of codling moth, Cydia pomonella, was studied in apple orchards treated with the main pheromone compound codlemone, (E,E)-8,10-dodecadienol, and a blend of codlemone and codlemone acetate, (E,E)-8,10-dodecadienyl acetate, a strong pheromone antagonist. Codlemone alone and the pheromone/antagonist-blend had a similar effect on the behavior of males emerging into air-permeated orchards. Male flights within tree canopy and upwind orientation along tree rows were strongly enhanced by both formulations, compared to untreated plots. However, the codlemone/codlemone acetate-blend increased the rate of cross-wind and downwind flights within the orchard, compared to codlemone alone. The major difference between these two formulations was that males from nearby, untreated orchards were attracted towards orchards treated with codlemone, but not towards treatments with codlemone/codlemone acetate. Additional tests were done with an equilibrium blend of codlemone and its geometric isomers. Aerial pheromone concentrations in the orchards were recorded by the field electroantennogram technique. Decreasing pheromone concentrations towards the upper part of the tree canopy, together with the stimulation of male flight activity by synthetic pheromone explains failures to control codling moth at high population densities with current dispenser formulations.
Starting Page	211
Ending Page	237
Page Count	27
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	44
Issue Number	2
e-ISSN	15738248
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1999-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Evolutionary Biology Plant Sciences Plant Pathology Animal Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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