Search
Skip to Search Results- 11Pinus contorta
- 3Dendroctonus ponderosae
- 3Lodgepole pine
- 2Ecophysiology
- 2Jack pine
- 2Pinus banksiana
- 2Coltman, David W.
- 2Cooke, Janice E. K.
- 2Erbilgin, N.
- 1Aziz Ullah, .
- 1Cahill J. F.
- 1Cahill Jr, J. F.
- 4Graduate and Postdoctoral Studies (GPS), Faculty of
- 4Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 3Biological Sciences, Department of
- 3Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 2Cahill Lab of Experimental Plant Ecology
- 2Cahill Lab of Experimental Plant Ecology/Journal Articles (Cahill Lab)
-
A new species of Pinus Subgenus Pinus Subsection Contortae from Pliocene sediments of Ch'ijee's Bluff, Yukon Territory, Canada.
Download2002
Schweger, C.E., McKown, A.D., Stockey, R.A.
Three structurally preserved conifer ovulate cones are described from Pliocene sediments at Ch’ijee’s Bluff on the Porcupine River, near Old Crow, Yukon Territory, Canada. Cones are ovoid to conical, symmetrical, 3.4–4.4 cm long and 2.8–3.4 cm wide, with helically arranged cone-scale complexes....
-
A species-diagnostic SNP panel for discriminating lodgepole pine, jack pine, and their interspecific hybrids
Download2013-01-01
Dang, S. , Cullingham, Catherine I. , Cooke, Janice E. K., Coltman, David W.
Accurate stock identification is important for forest management, yet this can be a challenge for tree species that hybridize naturally. Species discriminating molecular markers provide a means to identify stock with high accuracy. In Canada, lodgepole pine (Pinus contorta Dougl. ex Loud. var....
-
Characterizing the physical and genetic structure of the lodgepole pine × jack pine hybrid zone: mosaic structure and differential introgression
Download2012-01-01
Coltman, David W., James, Patrick M. A., Cullingham,Catherine I., Cooke, Janice E. K.
Understanding the physical and genetic structure of hybrid zones can illuminate factors affecting their formation and stability. In north-central Alberta, lodgepole pine (Pinus contorta Dougl. ex Loud. var. latifolia) and jack pine (Pinus banksiana Lamb) form a complex and poorly defined hybrid...
-
Chemotypic variations of lodgepole pine affect mountain pine beetle behaviour and growth of its symbiotic fungus
DownloadSpring 2020
Plants generally show large chemotypic variations in susceptibility to phytophagous insects and pathogens. Plant chemical defenses, or secondary compounds, are important components of plant resistance to pest organisms. Among plants, coniferous trees produce complex oleoresins that contain toxic...
-
2014-01-01
Simard, S. W., Cahill Jr, J. F., Erbilgin, N., RolTreu, J., Karst, M., Pec, J., Cigan, P. W., Cooke, J. E. K., Gregory, R.
Forest die-off caused by mountain pine beetle (MPB; Dendroctonus ponderosa) is rapidly transforming western North American landscapes. The rapid and widespread death of lodgepole pine (Pinus contorta) will likely have cascading effects on biodiversity. One group particularly prone to such...
-
Genetic variation in lodgepole pine and interior spruce: adaptation to climate and implications for seed transfer
DownloadSpring 2014
This thesis investigates genetic variation of two commercially important conifers in western Canada, interior spruce and lodgepole pine. The goals were to quantify genetic diversity and geographic structure, to describe multitrait adaptation to local climates, and to use this information for the...
-
Large-scale insect outbreak homogenizes the spatial structure of ectomycorrhizal fungal communities
Download2019-01-01
Ectomycorrhizal fungi (plant symbionts) are diverse and exist within spatially variable communities that play fundamental roles in the functioning of terrestrial ecosystems. However, the underlying ecological mechanisms that maintain and regulate the spatial structuring of ectomycorrhizal fungal...
-
Soil fungi after pine beetle outbreak: Diagnosis of fungal community composition and treatment of outplanted seedlings with tailored soil inoculum
DownloadSpring 2019
Soil fungal communities play vital roles in boreal forests as key organisms that cycle nutrients, facilitate uptake of resources for mycorrhizal plants, and store carbon. Forest disturbances often result in shifts in soil fungal community composition, yet, it is unclear if these effects are...
-
The Push-Pull Tactic for Mitigation of Mountain Pine Beetle (Coleoptera: Curculionidae) Damage in Lodgepole and Whitebark Pines
Download2012
Wood, D.L., Erbilgin, N., Mehmel, C.J., Gillette, N.E., Mori, S.R., Owen, D.R., Webster, J.N.
In an attempt to improve semiochemical-based treatments for protecting forest stands from bark beetle attack, we compared push-pull versus push-only tactics for protecting lodgepole pine (Pinus contorta Douglas ex Loudon) and whitebark pine (Pinus albicaulis Engelm.) stands from attack by...