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Filtering by: Subject Strawberries -- Diseases and pests Remove constraint Subject: Strawberries -- Diseases and pests Degree Level Doctoral Remove constraint Degree Level: Doctoral

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A study of the viruses infecting European and American potato varieties

Creator:

Dykstra, Theodore P. (Theodore Peter), 1896-1979

Resource Type:

Dissertation

Full Text:

emphasizes the necessity of distinguishinr between a virus and the type of disease it causes. That
Studies of the crinkle disease of strawberry with special reference to the inheritance of resistance

Creator:

Weaver, LeRoy Eugene

Resource Type:

Dissertation

Full Text:

- ington and Oregon, but Harris (10) reported in 1937 that he had found a virous disease of strawberry in
Tomato tip-blight virus

Creator:

Milbrath, John A., 1909-

Resource Type:

Dissertation

Full Text:

transmission, and measures for controlling the disease. Tip-blight is characterized by a sudden blighting of
Yellow bean and pea mosaic virus (Phaseolus virus 2) in Oregon

Creator:

Rich, Saul

Resource Type:

Dissertation

Full Text:

widespread distribution and regular occurrence. It is shown herein that yellow bean mosaic is a disease
Nitrogen deficiency in relation to spoilage of the blueberry, Vaccinium ovatum

Creator:

Litwiller, Earl Milo

Resource Type:

Dissertation

Full Text:

quantity of nitrogen to grape and strawberry juice aedia gave ao aoticoaM^ Qtinulatiag effect uraon the
The biology and control of the insect vectors of potato viruses in Oregon

Creator:

Crumb, S. E. (Samuel Ebb)

Resource Type:

Dissertation

Full Text:

project. He has grown the tuber samples from insecticide plots and determined the amount of disease
An investigation involving the sampling of morphological characters for use in estimating disease resistance and sample size in hops

Creator:

Hunt, Oliver Joseph

Resource Type:

Dissertation

Full Text:

characters for use in estimating disease resistance and sample size in hops AN INVESTIGATION INVOLVING THE
Chemotherapy of stone fruit viruses

Creator:

Helton, Audus Winzle

Resource Type:

Dissertation

Full Text:

DISEASE AND REA'..W"S A . Controls eiroloyed ...... 50 . Phyioa1tret'rien4t
Epiphytology and etiology of a Phytophthora-induced root rot disease of Chamaecyparis in Oregon

Creator:

Torgeson, Dewayne Clinton, 1925-

Resource Type:

Dissertation

Full Text:

Rot Disease of Chamaecyparis in Oregon EPIPHYTOLOGY AND ETIOLOGY OF A PHYTOPHTHORA - INDUCED RO OT
Cytological and histological changes induced by western cucumber mosaic

Creator:

Porter, Clark Alfred

Resource Type:

Dissertation

Full Text:

Cytological and histological changes induced by western

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Academic Affiliation

Botany and Plant Pathology63
Botany43
Entomology20
Horticulture20
Crop and Soil Science17
more Academic Affiliations »

Advisor

Milbrath, J. A.11
Roth, Lewis F.9
Vaughan, Edward K.9
Hansen, Everett M.7
Vaughan, E. K.6
more Advisors »

Commencement Year

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Current results range from 1938 to 2019

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Committee Member

Fisher, Glenn7
Hayes, Patrick7
Johnson, Kenneth7
Mehlenbacher, Shawn6
Parke, Jennifer6
more Committee Members »

Creator

Abdalla, Osman S.1
Ahmed, Hafiz Uddin1
Aho, Paul E.1
Akagi, Aya1
Akanda, Shamsul I.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1938 to 2019

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Decade

2010-201920
2000-200939
1990-199931
1980-198927
1970-197921
1960-196946
1950-195925
1940-19493
1930-19393

Degree Field

Botany and Plant Pathology53
Botany43
Entomology24
Crop Science20
Horticulture18
more Degree Fields »

Degree Level

Doctoral[remove]215

Degree Name

Doctor of Philosophy (Ph.D.)215

File Format

application/pdf11

Language

English [eng]215

License

All rights reserved46

Non-Academic Affiliation

Oregon State University. Graduate School213

Peer Reviewed

No203

Resource Type

Dissertation215

Rights Statement

Copyright Not Evaluated165
In Copyright50

Subject

Douglas fir -- Diseases and pests12
Wheat -- Diseases and pests12
Virus diseases of plants10
Beans -- Diseases and pests8
Pear -- Diseases and pests8
more Subjects »

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