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Filtering by: Subject Conifers Remove constraint Subject: Conifers Degree Field Botany and Plant Pathology Remove constraint Degree Field: Botany and Plant Pathology

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Nursery, cold storage, and field studies on western conifers inoculated with spores of Pisolithus tinctorius

Creator:

Alvarez, Isabel Fernandez

Abstract:

Inoculations of white fir, Shasta red fir, Douglas fir and ponderosa pine with Pisolithus tinctorius spores when outplanted failed to produce P. tinctorius mycorrhizae at the end of the first growing season. In the third year a few P. tinctorius mycorrhizae were formed on white fir. Inoculations reduced seedling survival...

Resource Type:

Dissertation
Mediation of conifer root growth by mycorrhizal fungi and plant growth regulators

Creator:

Scagel, Carolyn F.

Abstract:

Many mycorrhizosphere microorganisms can produce plant growth regulating compounds in vitro. Plant growth regulating compounds are known to mediate root growth and development. In reforestation practices, conifer tree seedling growth and survival are linked to rapid root growth and development after outplanting. Multifactorial experiments were conducted to document variations in...

Resource Type:

Dissertation

Full Text:

Mediation of conifer root growth by mycorrhizal fungi and
Epidemiology and population biology of Inonotus tomentosus as a pathogen of forests of British Columbia

Creator:

Lewis, Katherine JoAnn

Abstract:

The root disease fungus Inonotus tomentosus, common in the old growth boreal forests of British Columbia, poses a threat to the health of second growth forests established on sites with a previous history of root disease. Colonized stumps occur in groups of 1 to 6; the groups are clumped within...

Resource Type:

Dissertation
The Role of Intraspecific Functional Trait Variation in the Differential Decline of Meadow Species Following Conifer Encroachment

Creator:

Celis, Jessica

Abstract:

In the Oregon Cascade Range, conifer encroachment has reduced the extent of mountain meadows by as much as 50% since the mid-1940s. Although encroachment results in a general decline of meadow species abundance and diversity, species differ in their sensitivities to encroachment: some show rapid declines whereas others persist in...

Resource Type:

Masters Thesis

Full Text:

Species Following Conifer Encroachment Abstract approved

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Academic Affiliation

Botany and Plant Pathology4

Advisor

Hansen, Everett M.1
Jones, Andrew1
Linderman, Robert G.1
Trappe, James M.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1983 to 2015

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Committee Member

Bond, Barbara1
Jones, Julia1
McCune, Bruce1

Creator

Alvarez, Isabel Fernandez1
Celis, Jessica1
Lewis, Katherine Joann1
Scagel, Carolyn F.1

Date

Date range begin – Date range end

Current results range from 1982 to 2015

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Decade

2010-20191
1990-19992
1980-19891

Degree Field

Botany and Plant Pathology[remove]4

Degree Level

Doctoral3
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)1

Language

English [eng]4

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation3
Masters Thesis1

Rights Statement

Copyright Not Evaluated3
In Copyright1

Subject

Conifers1
Conifers -- Cascade Range1
Conifers -- Diseases and pests -- British Columbia1
Conifers -- Roots -- Physiology1
Inonotus -- British Columbia1
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