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Filtering by: Subject Ponderosa pine -- Diseases and pests -- Idaho Remove constraint Subject: Ponderosa pine -- Diseases and pests -- Idaho Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Chemical applications for control of armillaria root rot of Ponderosa pine

Creator:

Filip, Gregory M.

Abstract:

Root rot caused by Armillariella mellea creates roughly circular disease centers of infected dead and dying trees in the younggrowth ponderosa pine forest under study. Research objectives concerning chemical control of the disease were: 1) to test the effectiveness of certain chemicals in protecting living pines adjacent to disease centers...

Resource Type:

Dissertation

Full Text:

infected dead and dying trees in the young- growth ponderosa pine forest under study. Research objectives
Infection of stressed ponderosa pines by Armillariella mellea from indigenous and artificial inoculum sources

Creator:

Fuller, Lloyd Randolph

Abstract:

Armillariella mellea (Vahl. ex Fr. ) Karst. was grown aseptically in hazel stems (Corylus cornuta var. californica) which were used in the forest to infect 290 ponderosa pines (Pinus ponderosa Laws.) which had been "stressed" in five different manners plus two control groups. All trees were inoculated twice giving a...

Resource Type:

Dissertation

Full Text:

Discussion 87 V. Internal mycoflora of healthy and declining lateral roots of ponderosa pine on pumice
Stress response as a basis for disease susceptibility in Ponderosa Pine

Creator:

Koonce, Andrea

Abstract:

Trees stressed by artificial and natural means were sampled for response in growth and vigor, carbohydrate content, resin pressure characteristics, and water relations. Tree response was found to reflect both the severity and type of stress imposed. Crown color and appearance were reliable indicators of prolonged stress and advanced decline...

Resource Type:

Masters Thesis

Full Text:

LIBRARY OREGON STATE UNIVERSITY Stress Response As A Basis for Disease Susceptibility in Ponderosa Pine
Effects of defoliation by the pine butterfly (Neophasia menapia Felder) upon ponderosa pine

Creator:

Evenden, James Cawston

Resource Type:

Masters Thesis
Anatomical studies of Pinus ponderosa Laws : infested by Elytroderma deformans (Weir) Darker

Creator:

Wirtz, Felicia Pietrykowski

Abstract:

Pine needle blight of Pinus ponderosa Laws. caused by Elytroderma deformans (Weir) Darker is recognized by changes in the needles, in the bark and in the development of the branches. Anatomical studies of the host-parasite relation have been made previously on young pine tissue up to four years of age...

Resource Type:

Dissertation

Full Text:

disease caused by this fungus is commonly known as pine needle blight. Seven species of two- and three
Physical factors affecting longevity and germination of seed of Western dwarfmistletoe (Arceuthobium campylopodum Engelm. f. campylopodum)

Creator:

Beckman, Kent Mardsen

Abstract:

Longevity and germination of seed of western dwarfmistletoe (Arceuthobium campylopodum Engelm. f. campylopodum) of ponderosa pine (Pinus ponderosa Laws.) was investigated to determine: 1) the influence of humidity and temperature on seed viability and deterioration during storage; 2) the physiology of seed dormancy; 3) the composition of seed reserve food...

Resource Type:

Dissertation

Full Text:

pine (Il3"" ponderosa Laws. ) was investigated to determine: I) the influence of humidity and
Distribution and variation of Armillariella mellea clones in relation to vegetative cover and severity of root rot in Ponderosa pine

Creator:

Cooley, Sally Joan

Abstract:

Root rot due to Armillariella mellea (Vahl. ex Fr.) Karst. is unusually severe in ponderosa pine near Glenwood, Washington. Isolate relations, clonal variability, vegetation patterns, and climate were examined in relation to severity of disease in this area. Ninety-one isolates from 70 infection centers were examined. Pairings of neighboring isolates...

Resource Type:

Masters Thesis

Full Text:

in relation to vegetative cover and severity of root rot in Ponderosa pine AN ABSTRACT OF THE
Parasites and predators of Dendroctonus ponderosae Hopkins (Coleoptera : Scolytidae) in ponderosa pine

Creator:

Billings, Ronald F.

Abstract:

The bark beetle Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) has caused severe mortality in recent decades to young stands of ponderosa pine in the western United States. Insect parasites and predators, believed to be of importance in the population dynamics of the beetle, were the subject of the thesis research, conducted...

Resource Type:

Masters Thesis
Bioprotection of unseasoned Ponderosa pine lumber from microbial discoloration

Creator:

Kreber, Bernhard

Abstract:

The potential of 9 bacterial and 6 fungal isolates to protect wood against wood staining microorganisms was studied using small sapwood samples of unseasoned Ponderosa pine [Pinus ponderosa Laws] sapwood. Bacillus subtilis Cohn, isolate 733 A , Gliocladium virens J.H. Miller, J.E. Giddens & A.A. Foster isolate H 3 and...

Resource Type:

Masters Thesis
Detection of dwarf mistletoe in young-growth ponderosa pine from color aerial photography

Creator:

Hann, David W.

Abstract:

The purpose of this study was to determine if infection levels of dwarf mistletoe on ponderosa pine could be detected with color aerial photography. The photography was taken in early September using Kodak Ektachrome Infrared Aero and Ektachrome Aero films at scales of 1/4000, 1/2000, and 1/1000. Ground truth consisted...

Resource Type:

Masters Thesis

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Academic Affiliation

Botany and Plant Pathology8
Forest Science7
Entomology3
Forest Products3
Botany2
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Advisor

Roth, Lewis F.9
Morrell, Jeffrey J.3
Shaw, David C.3
Ross, Darrell W.2
Filip, Gregory M.1
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Commencement Year

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Current results range from 1936 to 2017

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Committee Member

Newton, Michael2
Adams, Rich1
Brower, Andy1
Bruce, McCune1
Chang, Jeffrey H.1
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Creator

Agne, Michelle C.1
Bair, Zolton J.1
Beckman, Kent Mardsen1
Billings, Ronald F.1
Cooley, Sally Joan1
more Creators »

Date

Date range begin – Date range end

Current results range from 1936 to 2017

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Decade

2010-20194
2000-20095
1990-19996
1970-19798
1960-19696
1950-19591
1930-19391

Degree Field

Forest Science7
Botany and Plant Pathology6
Botany6
Entomology4
Forest Products3
more Degree Fields »

Degree Level

Master's22
Doctoral9

Degree Name

Master of Science (M.S.)22
Doctor of Philosophy (Ph.D.)9

File Format

application/pdf2

Language

English [eng]31

License

All rights reserved7

Non-Academic Affiliation

Oregon State University. Graduate School[remove]31

Peer Reviewed

No31

Resource Type

Masters Thesis22
Dissertation9

Rights Statement

Copyright Not Evaluated24
In Copyright7

Subject

Ponderosa pine -- Diseases and pests9
Pine -- Diseases and pests7
Elytroderma deformans2
Forest ecology -- California, Northern2
Mistletoes2
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