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Potential of ethyl (2E,4Z)-2,4-decadienoate for monitoring activity of codling moth (Lepidoptera: Tortricidae) in eastern North American apple orchards

Published online by Cambridge University Press:  02 April 2012

R.M. Trimble  and
Ashraf M. El-Sayed
R.M. Trimble*
Affiliation:
Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, P.O. Box 6000, Vineland Station, Ontario, Canada L0R 2E0
Ashraf M. El-Sayed
Affiliation:
Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, P.O. Box 6000, Vineland Station, Ontario, Canada L0R 2E0
*
1Corresponding author (e-mail: [email protected]).
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Abstract

In Ontario apple orchards, the amount of synthetic codling moth (Cydia pomonella (L., 1758)) sex pheromone, E,E-8,10-dodecadien-1-ol (0.01–10.0 mg) used to bait traps significantly affected the mean total numbers of moths captured, whereas similar mean total numbers of moths were captured in traps baited with different amounts of pear-derived kairomone, ethyl (2E,4Z)-2,4-decadienoate (0.01–10.0 mg). The attractiveness of kairomone-baited traps was not increased by using greater amounts (100 and 1000 mg) of this compound. The attractiveness of the pheromone was not enhanced by the addition of kairomone. Similar patterns of adult male seasonal activity were observed when using pheromone-baited traps and kairomone-baited traps. The potential usefulness of kairomone-baited traps in the integrated management of C. pomonella in Ontario apple orchards is discussed.

Résumé

Dans les pommeraies de l'Ontario, la quantité (0,01–10,0 mg) de phéromone sexuelle synthétique de la pyrale de la pomme (Cydia pomonella (L., 1758)), le E,E-8,10-dodécadièn-1-ol, utilisée dans les pièges affecte significativement le nombre de papillons récoltés; des nombres moyens semblables de papillons peuvent être récoltés en utilisant des quantités différentes (0,01–10,0 mg) de la kairomone dérivée de la poire, l'éthyl (2E,4Z)-2,4-décadiènoate. L'attraction des pièges à kairomone n'est pas accrue par l'utilisation de quantités plus grandes (100 et 1000 mg) de kairomone. L'attraction de la phéromone n'augmente pas à l'addition de kairomone. Les pièges à phéromone et à kairomone fournissent des patterns semblables d'activité saisonnière chez les mâles. L'utilité potentielle des pièges à kairomone dans la gestion intégrée de C. pomonella en Ontario fait l'objet d'une discussion.

[Traduit par la Rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 137 , Issue 1 , February 2005 , pp. 110 - 116
Copyright
Copyright © Entomological Society of Canada 2005

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