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Development of a Semiochemical-based Monitoring System for Diamondback Moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), in Canola in Alberta Open Access


Other title
Diamondback Moth
Green Leaf Volatile
Predictive Model
Plutella xylostella
Z3 hexenyl acetate
Type of item
Degree grantor
University of Alberta
Author or creator
Miluch, Christine
Supervisor and department
Dosdall, Lloyd M. (Agricultural, Food and Nutritional Science)
Evenden, Maya L. (Biological Science)
Examining committee member and department
Fry, Kenneth M. (School of Environment, Olds College)
Keddie, B. Andrew (Biological Science)
Department of Agricultural, Food and Nutritional Science

Date accepted
Graduation date
Master of Science
Degree level
Studies focused on developing a semiochemical-based monitoring system for Plutella xylostella (L.) using sex pheromone and Z3-hexenyl acetate. A commercially available pheromone trapping system was used to capture male moths at sites in Alberta in 2007 and 2008. Larval sampling occurred every two weeks after the first males were captured. Male moth capture was predictive of larval density on individual sample dates during the growing season. The predictive capability of pheromone-baited trap capture was not in direct proportion to population density and was inconsistent. Modifications to the trapping system were tested to improve attractiveness. Adding Z3-hexenyl acetate at various doses to pheromone did not improve the attractiveness to males over pheromone alone and did not attract significant numbers of females when tested at various times during the flight season. Trap height and colour did not influence male capture. Pheromone dose and lure type did influence male moth capture in traps.
License granted by Christine Miluch ( on 2010-09-03T22:01:01Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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