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Permanent link (DOI): https://doi.org/10.7939/R3K31J

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Interactions Between Host Trees, Bacteria, and Fungi: Impacts on Mountain Pine Beetle (Dendroctonus ponderosae) Reproduction Open Access

Descriptions

Other title
Subject/Keyword
fungi
interactions
lodgepole pine
jack pine
mountain pine beetle
bacteria
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Therrien, Janet FCA
Supervisor and department
Erbilgin, Nadir (Renewable Resources)
Examining committee member and department
Blenis, Peter (Renewable Resources)
Langor, David (Canadian Forest Service)
Raffa, Kenneth (UW-Madison, Entomology)
Department
Department of Renewable Resources
Specialization

Date accepted
2012-06-28T10:50:52Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
Warming winter trends due to climate change have allowed for a range expansion of the mountain pine beetle, and the beetle now threatens Canada’s economically and ecologically important jack pine forests. The beetle’s success in jack pine trees will depend upon successful colonization of the host by the beetle and its bacterial and fungal associates. The objectives of this thesis were to determine how tree bacteria-fungi interactions impact mountain pine beetle reproduction and whether these interactions hinder beetle invasion of jack pines. Results from monitoring beetle reproduction in the presence of various bacterium fungus combinations in lodgepole, jack, and hybrid pines show that the roles of the bacteria and fungi are mediated by the host tree, and the importance of these microorganisms is dependent upon the biological activities of the beetles under the bark. Further, interactions between the beetle and these microbes are not limiting factors in the invasion of jack pine.
Language
English
DOI
doi:10.7939/R3K31J
Rights
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 these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before 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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