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

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Factors affecting development of iris rhizome rot caused by Botrytis convoluta Whetzel and Drayton

Creator:

Maas, J. L.

Abstract:

Abundant conidial and sclerotial production occurs on iris plants infected with Botrytis convoluta Whetzel and Drayton during the cool moist months of the year. Experiments were designed to study the survival and inoculum potential of conidia and sclerotia. Basic nutritional requirements of the fungus in culture were also studied. Results...

Resource Type:

Dissertation

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); California (Bald et al., 1959); and in Oregon (Oregon State University Plant Clinic records, 1958
Etiology of beet seedling necrosis as a basis for control

Creator:

Yale, John Wesley, 1924-

Resource Type:

Dissertation

Full Text:

Charge of Major Redcted forÑvacy Head of Department of Bpt and Plant Pathology Redacted for privacy
A method of breeding for resistance to fusarium and bacterial wilt in alfalfa

Creator:

Wilson, Marvin L.

Resource Type:

Dissertation

Full Text:

, Wilson Foote, Ralph Bogart and William Chiloote, all of Oregon State College, for their valuable
Cytological and histological changes induced by western cucumber mosaic

Creator:

Porter, Clark Alfred

Resource Type:

Dissertation

Full Text:

State College botany and plant pathology farm, Two Oregon isolates of cucurneris, designated as 637
The inheritance of resistance to bean yellow mosaic virus in Phaseolus vulgaris L

Creator:

Baggett, James R.

Resource Type:

Dissertation

Full Text:

such environ- mental conditions as light and temperature may affect the expression of plant disease
Diagnosis and Etiology of a Soilborne Disease Complex of Winter Squash (Cucurbita maxima) in the Willamette Valley, OR

Creator:

Rivedal, Hannah M.

Abstract:

Winter squash (Cucurbita maxima) grown in Oregon’s Willamette Valley for edible seed, frozen foods, and fresh markets is susceptible to an undiagnosed soilborne disease. Diseased squash fields exhibit symptoms of stunting, root and crown rot, vascular discoloration, and late-season wilt, which in extreme cases can lead to total crop failure....

Resource Type:

Dissertation

Full Text:

THE DISSERTATION OF Hannah M. Rivedal for the degree of Doctor of Philosophy in Botany and Plant
Biochemical studies of western ring spot virus

Creator:

Lee, C. P. (Chuan-Pu), 1931-

Resource Type:

Dissertation

Full Text:

isolating plant viruses from diseased planta are numrous and far completely solved. Plant cells in general
Ecology of Longidorus menthasolanus, Konicek and Jensen 1961, A parasite of peppermint in Oregon

Creator:

Konicek, Donald Edward

Resource Type:

Dissertation

Full Text:

1961, A parasite of peppermint in Oregon ECOLOGY OF LONGIDORUS MENTHASOLANUS, KONICEK AND JENSEN
Molecular characterization of criniviruses and ilarviruses infecting strawberry

Creator:

Tzanetakis, Ioannis E.

Abstract:

Pallidosis is a disease of strawberry identified in 1957 with an unknown etiology. Two previously uncharacterized viruses in strawberry, Strawberry pallidosis associated virus (SPaV) and Beet pseudo-yellows virus (BPYV), have been found associated with disease symptoms. The complete nucleotide sequence of both viruses was determined and molecular detection protocols developed....

Resource Type:

Dissertation

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(SPaV) and Beet pseudo-yellows virus (BPYV), have been found associated with disease symptoms. The
Chemotherapy of stone fruit viruses

Creator:

Helton, Audus Winzle

Resource Type:

Dissertation

Full Text:

: Profegor of otany and Plant PathoIoy In Charge of Mjor Head of Department of otn and Plant Pathology

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Academic Affiliation

Botany and Plant Pathology23
Botany11
Horticulture7
Entomology5
Forest Science3
more Academic Affiliations »

Advisor

Milbrath, J. A.7
Hampton, Richard O.3
Vaughan, Edward K.3
Wolpert, Thomas J.3
Hansen, Everett M.2
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Commencement Year

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Current results range from 1938 to 2019

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Committee Member

Jepson, Paul4
Parke, Jennifer4
Wolpert, Tom4
Johnson, Kenneth3
Azarenko, Anita2
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Creator

Akagi, Aya1
Ambrosino, Mario D.1
Andrie, Rachael M.1
Baggett, James R.1
Bashir, Muhammad1
more Creators »

Date

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Current results range from 1938 to 2019

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Decade

2010-20198
2000-200922
1990-19997
1980-19895
1970-19791
1960-19699
1950-195910
1930-19391

Degree Field

Botany and Plant Pathology20
Botany8
Horticulture7
Entomology6
Plant Pathology6
more Degree Fields »

Degree Level

Doctoral63

Degree Name

Doctor of Philosophy (Ph.D.)[remove]63

File Format

application/pdf5

Language

English [eng]63

License

All rights reserved24

Non-Academic Affiliation

Oregon State University. Graduate School61

Peer Reviewed

No59

Resource Type

Dissertation63

Rights Statement

Copyright Not Evaluated38
In Copyright25

Subject

Virus diseases of plants10
Apples -- Diseases and pests3
Beans -- Diseases and pests3
Plant viruses3
Plants -- Disease and pest resistance3
more Subjects »

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