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Phenotypic characterization fungal symbionts of the mountain pine beetle (MPB) Zhang, (Sophia) Yiyuan

Abstract

The mountain pine beetle (MPB), Dendroctonus ponderosae ,causes one of the most serious diseases of pines in western North America. The three primary fungi associates carried by the beetles are Grosmannia clavigera, Leptographium longiclavatum and Ophiostoma montium. Multipartite symbioses contribute to the success of beetle survival, reproduction and outbreaks. In this study, phenotypic experiments were conducted in vitro by growing isolates of the fungal associates belonging to the three species distributed across western North America. Both the growth rate and area under the curve were measured and compared inta-specifically and inter-specifically. The results suggest that there are interspecific and intraspecific differences in growth rate at different temperatures, supporting the coexistence of fungal species in multipartite relationships.

Item Metadata

Title
Phenotypic characterization fungal symbionts of the mountain pine beetle (MPB)
Creator
Zhang, (Sophia) Yiyuan
Supervisor
Hamelin, Richard C.; El-Kassaby, Yousry A.
Date Issued
2013-04
Description
The mountain pine beetle (MPB), Dendroctonus ponderosae ,causes one of the most serious diseases of pines in western North America. The three primary fungi associates carried by the beetles are Grosmannia clavigera, Leptographium longiclavatum and Ophiostoma montium. Multipartite symbioses contribute to the success of beetle survival, reproduction and outbreaks. In this study, phenotypic experiments were conducted in vitro by growing isolates of the fungal associates belonging to the three species distributed across western North America. Both the growth rate and area under the curve were measured and compared inta-specifically and inter-specifically. The results suggest that there are interspecific and intraspecific differences in growth rate at different temperatures, supporting the coexistence of fungal species in multipartite relationships.
Subject
Mountain pine beetle (Dendroctonus ponderosae); Grosmannia clavigera; Leptographium longiclavatum; Ophiostoma montium; Growth rate; Area under the curve
Genre
Graduating Project
Type
Text
Language
eng
Series
University of British Columbia. FRST 498
Date Available
2014-10-07
Provider
Vancouver : University of British Columbia Library
Rights
Attribution-NonCommercial-NoDerivs 2.5 Canada
DOI
10.14288/1.0075639
URI
http://hdl.handle.net/2429/50632
Affiliation
Forestry, Faculty of
Campus
UBCV
Peer Review Status
Unreviewed
Scholarly Level
Undergraduate
Rights URI
http://creativecommons.org/licenses/by-nc-nd/2.5/ca/
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Attribution-NonCommercial-NoDerivs 2.5 Canada