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Filtering by: Subject Almond -- Diseases and pests Remove constraint Subject: Almond -- Diseases and pests Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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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
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
Physiologic specialization and etiology of red stele disease, Phytophthora fragariae Hickman, of strawberries, and attempts at control

Creator:

Wooley, Paul Henry

Resource Type:

Dissertation

Full Text:

Disease, Phytophthora Fragariae Hickman, of Strawberries, and Attempts at Control PHXSIOLOOIC
The identity and the relationship of the viruses causing western X little Cherry and Kootenay little Cherry

Creator:

Wilks, Jack Morton

Resource Type:

Dissertation

Full Text:

group". In addition, there is a virus disease in cherry in the Eastern United States and Canada that
Occurrence, behavior and control of Verticillium albo-atrum Reinke and Berth in small fruits

Creator:

Pratt, Michael John

Resource Type:

Dissertation

Full Text:

history 44 Nutrition 46 Environment 46 DIAGNOSIS OF THE DISEASE IN THW LABORTORY AND FIELD SPRED OF
Role of associated fungi in the prevention of gray mold (Botrytis cinerea Pers.) of strawberries

Creator:

Bhatt, Dibya Deo

Resource Type:

Dissertation

Full Text:

have no influence on each other ( "co- existence "). The inci- dence and severity of a disease may
Etiology and epiphytology of strawberry fruit rot caused by Botrytis cinerea pers.

Creator:

Powelson, R. L.

Resource Type:

Dissertation

Full Text:

. flhizopus rot, commonly called leak, is primarily a market disease (67, pp. 1-2) and 61, p. 21) but it
Races of bean rust, Uromyces phaseoli (Pers.) wint. var. phaseoli, in the Willamette Valley

Creator:

Hikida, Hideaki Robert

Resource Type:

Dissertation

Full Text:

the disease in the United States. A few years later Haistead (14, p. 26) and Whetze]. (32, p. 199
Factors affecting the identification of races of Uromyces phaseoli (Pers.) Wint. var. phaseoli

Creator:

Davison, Arlen Durant

Resource Type:

Dissertation

Full Text:

that the optimum day -night temperature for disease development was 27° and 21 °C. This is in

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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

Commencement Year range begin – Commencement Year range end

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

Doctoral215

Degree Name

Doctor of Philosophy (Ph.D.)[remove]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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