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Filtering by: Advisor Short, Robert A. Remove constraint Advisor: Short, Robert A. Decade 1980-1989 Remove constraint Decade: 1980-1989

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Epidemiology of disease caused by Pseudomonas syringae as an epiphyte and its frequency, distribution, and characteristics as an endophyte of pear

Creator:

Whitesides, Steven K.

Abstract:

Conditions were established for inducing pear blossom blast caused by Pseudomonas syringae (Ps) on both attached and detached shoots. The incidence of disease was proportional to the log of Ps population under optimal temperature, moisture and bloom developmental stage. Highest incidence of infection followed occurrence of a major exotherm in...

Resource Type:

Dissertation

Full Text:

K. Whitesides and Robert A. Spotts Oregon St. Univ., Mid-Columbia Agric. Research and Extension
The disease cycle of side rot of pear, caused by Phialophora malorum

Creator:

Sugar, David

Abstract:

Potential sources of inoculum of Phialophora malorum were investigated. P. malorum was found to be a soil-borne fungus whose role as a postharvest pathogen of pear is dependent upon passive dispersal with infested soil. P. malorum survived in soil under a wide range of conditions, with greatest survival in cool,...

Resource Type:

Dissertation

Full Text:

, Caused by Phialophora malorum. Abstract approved: Redacted for privacy RObeit A. Sp5pes Potential
Age progressive volcanism in the Comores Archipelago and northern Madagascar

Creator:

Emerick, Christina M.

Resource Type:

Dissertation

Full Text:

Robert A. Dunc'an The Comores Islands and Tertiary volcanic province of Northern Madagascar form a sub
Temporal variations in volume and geochemistry of volcanism in the Western Cascades, Oregon

Creator:

Verplanck, Emily Pierce

Resource Type:

Masters Thesis

Full Text:

VOLUME AND GEOCHEMISTRY OF VOLCANISM ABSTRACT APPROVED IN THE WESTERN CASCAD ROBERT A. OREGON Fifty
Beach foreshore response to long-period waves in the swash-zone

Creator:

Howd, Peter A.

Abstract:

A field experiment designed to test the hypothesis that infragravity and lower frequency waves influence the patterns of erosion and deposition on the beach foreshore has been carried out. The data show coherent fluctuations in the foreshore sediment level which can be related to low frequency wave motions. The fluctuations...

Resource Type:

Masters Thesis

Full Text:

Peter A. Howd AN ABSTRACT OF THE THESIS OF for the degree of
Shoreline rhythmicity on a natural beach

Creator:

Garrow, Holly C.

Resource Type:

Masters Thesis

Full Text:

Howd, Carlos Lopez, and Drs. David Rea and Paul D. Komar. Dr. Robert A. Holman accompanied many of the
Standing edge waves on a pocket beach

Creator:

Culley, Sara K.

Resource Type:

Masters Thesis

Full Text:

Master of Science in Oceanogratthy presented on March 21. 1986. Title: Abs tract approved: Robert A
The stability and spatial variability of sand bar morphology

Creator:

Lippmann, Thomas Charles

Resource Type:

Masters Thesis
Alteration mineralogy and geochemistry of the Archaean Onverwacht Group, Barberton Mountain Land, South Africa

Creator:

Hoffman, Sarah Elizabeth

Resource Type:

Masters Thesis

Full Text:

SUESS/ROBERT DUNCAN The interaction bet.ween seawater and submarine volcanic rock has had important

Limit your search

Academic Affiliation

College of Oceanography6
Botany and Plant Pathology2
School of Oceanography1

Advisor

Holman, Robert A.4
Duncan, Robert A.3
Spotts, Robert A.2
Suess, Erwin1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1984 to 1990

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Committee Member

Baross, John1
Bibee, Dale1
Cameron, Ron1
Gamble, Will1
Hart, John1
more Committee Members »

Creator

Culley, Sara K.1
Emerick, Christina M.1
Garrow, Holly C.1
Hoffman, Sarah Elizabeth1
Howd, Peter A.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1984 to 1989

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Decade

1980-1989[remove]9

Degree Field

Oceanography7
Botany and Plant Pathology1
Botany1

Degree Level

Master's6
Doctoral3

Degree Name

Master of Science (M.S.)6
Doctor of Philosophy (Ph.D.)3

Language

English [eng]9

Non-Academic Affiliation

Oregon State University. Graduate School9

Peer Reviewed

No9

Resource Type

Masters Thesis6
Dissertation3

Rights Statement

Copyright Not Evaluated9

Subject

Ocean waves -- Measurement2
Pear -- Diseases and pests2
Beach erosion1
Coast changes1
Geology -- South Africa -- Barberton Region (Transvaal)1
more Subjects »

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