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Filtering by: Subject Alder -- Diseases and pests Remove constraint Subject: Alder -- Diseases and pests Resource Type Masters Thesis Remove constraint Resource Type: Masters Thesis

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Biology of the alder bark beetle, Alniphagus aspericollis (Leconte) in the Willamette Valley

Creator:

Pierce, John Rayner

Resource Type:

Masters Thesis

Full Text:

and cambiuni region of the bole of alder trees. A few other scolytids aro known to attack the
Arthropod community structure in regenerating Douglas-fir and red alder forests : influences of geography, tree diversity and density

Creator:

Schaerer, Brett L.

Abstract:

The structuring of canopy arthropod communities was reviewed and investigated in relation to tree species diversity and its component factors, interspersion of different species and density of each tree species. Fifteen treatments of Douglas-fir (Pseudotsuga menziesii) and red alder (Alnus rubra) (various densities and proportions of each) were randomly assigned...

Resource Type:

Masters Thesis

Full Text:

red alder forests : influences of geography, tree diversity and density AN ABSTRACT OF THE THESIS OF
Pathogenicity of Phytophthora species from Oregon waterways

Creator:

Navarro, Sarah M.

Abstract:

Described as one of the most destructive pathogens of agricultural crops and forest trees, Phytophthora is a genus of microorganisms containing over 100 known species. Phytophthora alni has caused collar and root disease in alders throughout Europe and a form of the species has recently been isolated in North America....

Resource Type:

Masters Thesis

Full Text:

, from a single branch to a whole stand (Ragenovich and Ciesla, 2008). Disease agents of red alder
Biology of Meligethes seminulum lec. (Coleoptera: Nitidulidae)

Creator:

Dickason, E. A. (Elvis Arnie), 1919-

Resource Type:

Masters Thesis

Full Text:

- ported as an economic pest because it destroys the flowers of cruciferous and uinbelliferous plants
Studies of yellow rust of Rubus

Creator:

Lund, Walter Thomas

Resource Type:

Masters Thesis

Full Text:

and Distribution of the Disease ............. i Purpose of the Investigation
Rhizoctonia of the potato

Creator:

Corsaut, Jesse Harrison

Resource Type:

Masters Thesis

Full Text:

the disease on sugar beets in 1858 , and on carrots in 1854. Following the report of the disease
Studies of the crinkle disease of strawberry, with special reference to its transmission

Creator:

Vaughan, Edward Kemp

Resource Type:

Masters Thesis

Full Text:

. Geographic Distribution and Econoric Importance 5 III. Symptomz of Crinkle IV. Nature of the Disease
Life history and habits of the strawberry crown-moth Aegeria rutilans

Creator:

Hills, Orin A.

Resource Type:

Masters Thesis

Full Text:

. "The best surest and easiest way to control this pest, however is to watch the plants closely early in
Studies on the bacterial gummosis of stone fruits

Creator:

Van Gundia, Gordon Keller

Resource Type:

Masters Thesis

Full Text:

- Iv. INVESTIGATIOÌ (Continued). 2. A Physiological study of the causal organism of the disease and
Black root of radish caused by Aphanomyces raphant Kendrick in Oregon

Creator:

Hosford, Robert Morgan

Resource Type:

Masters Thesis

Full Text:

. The disease relationships, the causal fungus and the effect of soil additives on severity of disease

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Academic Affiliation

Botany and Plant Pathology92
Entomology67
Horticulture43
Forest Science24
Botany22
more Academic Affiliations »

Advisor

Berry, Ralph E.11
Hansen, Everett M.11
Mote, Don C.9
Powelson, Mary L.9
Roth, Lewis F.9
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1911 to 2017

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Committee Member

Hansen, Everett8
Johnson, Ken6
Johnson, Kenneth B.6
Miller, Jeff5
Mundt, Chris5
more Committee Members »

Creator

Abu Irmaileh, Barakat Eid Ahmad1
Adams, David Howard1
Adlerz, W. C. (Warren Clifford)1
Agne, Michelle C.1
Aldridge, Jack Clifton1
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Date

Date range begin – Date range end

Current results range from 1911 to 2017

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Decade

2010-201944
2000-200951
1990-199970
1980-198949
1970-197925
1960-196925
1950-195923
1940-19499
1930-193910
1920-19293
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Degree Field

Botany and Plant Pathology72
Entomology72
Horticulture43
Botany35
Forest Science25
more Degree Fields »

Degree Level

Master's315

Degree Name

Master of Science (M.S.)310
Master of Arts (M.A.)3
Master of Agriculture (M.Ag.)1
Master of Forestry (M.F.)1

File Format

application/pdf15

Language

English [eng]315

License

All rights reserved73

Location

Oregon, Oregon, United States, (Administrative Boundary)1

Non-Academic Affiliation

Oregon State University. Graduate School315

Peer Reviewed

No304

Resource Type

Masters Thesis[remove]315

Rights Statement

Copyright Not Evaluated210
In Copyright97
No Copyright - United States8

Subject

Douglas fir -- Diseases and pests9
Potatoes -- Diseases and pests8
Strawberries -- Diseases and pests8
Douglas fir -- Diseases and pests -- Oregon7
Beans -- Diseases and pests6
more Subjects »

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