Skip to Content

Switch language English
- Switch language
- Deutsch
- English
- Español
- Français
- Italiano
- Português do Brasil
- 中文
Login

ScholarsArchive@OSU

Home
About
Help
Contact

Search ScholarsArchive@OSU

Advanced Search

Search Constraints

Start Over

Filtering by: Contributor advisor sim Vaughan, E. K. Remove constraint Contributor advisor sim: Vaughan, E. K.

1 - 7 of 7

Relevance
Title [A-Z]
Title [Z-A]
Date Created ▼
Date Created ▲
Date Uploaded ▼
Date Uploaded ▲

Number of results to display per page

10 per page
20 per page
50 per page
100 per page

View results as:

List Gallery Masonry

Search Results

Factors influencing development and control of Phytophthora fragariae Hickman, the cause of red stele disease of strawberries

Creator:

Houck, Laurie G., 1928-

Resource Type:

Dissertation
Pink root of onion caused by Pyrenochaeta terrestris

Creator:

Hess, Wilford M., 1934-

Resource Type:

Dissertation
Resistance mechanisms against onion pink root (Pyrenochaeta terrestris), bioassay of inoculum potential in soil and chemical control

Creator:

Siemer, Sidney R.

Resource Type:

Dissertation
The influence of soil fumigants and soil fungicides on some important soil-borne plant pathogens

Creator:

Liu, Marlene Mei-yu

Abstract:

Twelve chemicals (Busan 72, Chloropicrin, Dacthal, Dexon, Duter, EP 161, Lanstan, Methyl bromide, Phaltan, Vapam, Vidden D, Vorlex) were tested to determine their effect on populations of certain important soil-borne microorganisms including the onion pink root fungus Pyrenochaeta terrestris. The soil used was from a field in Malheur County, Oregon...

Resource Type:

Masters Thesis
A compound from onion roots inhibitory to Pyrenochaeta terrestris

Creator:

Pfleger, Francis Louis

Abstract:

In vitro tests showed mycelial growth of Pyrenochaeta terrestris was inhibited by root and bulb extracts from the pink root resistant onion cultivar Nebuka, but not by extracts from the susceptible Southport White Globe. The active principle was shown to be fungistatic rather than fungicidal. It is present in both...

Resource Type:

Dissertation
The etiology of bacterial soft rot of onions and identification of the causal organisms

Creator:

Irwin, Roger Deane

Abstract:

Observations of bacterial soft rot of onions in the Lake Labish area in the Willamette Valley of western Oregon showed that two distinct symptom types occur during the growing season. The most prevalent symptom type appears in infected plants as a wilting and chlorosis of two or more lower leaves...

Resource Type:

Dissertation
Inheritance of resistance to Fusarium root rot in Phaseolus vulgaris L., and Phaseolus coccineus L.

Creator:

Azzam, Hassan Ahmed

Abstract:

Progenies of two bean crosses were studied for inheritance of resistance to dry root rot caused by Fusarium solani f. phaseoli. O.S.C. 22 (P. vulgaris) was used in both crosses as the susceptible parent. A Mexican line (P. vulgaris) and a line 2014 of the runner bean (P. coccineus) were...

Resource Type:

Dissertation

Limit your search

Academic Affiliation

Botany3
Botany and Plant Pathology2
Botany1
Horticulture1

Advisor

Vaughan, E. K.7
Frazier, W. A.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1957 to 1975

View distribution

Creator

Azzam, Hassan Ahmed1
Hess, Wilford M., 1934 1
Houck, Laurie G., 1928 1
Irwin, Roger Deane1
Liu, Marlene Mei Yu1
more Creators »

Date

Date range begin – Date range end

Current results range from 1956 to 1974

View distribution

Decade

1970-19792
1960-19694
1950-19591

Degree Field

Botany4
Botany and Plant Pathology2
Horticulture1

Degree Level

Doctoral6
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)6
Master of Science (M.S.)1

Language

English [eng]7

Non-Academic Affiliation

Oregon State University. Graduate School7

Peer Reviewed

No7

Resource Type

Dissertation6
Masters Thesis1

Rights Statement

Copyright Not Evaluated7

Subject

Onions -- Diseases and pests4
Pink-root disease2
Beans -- Disease and pest resistance1
Fungicides -- Toxicology1
Phylophthora1
more Subjects »

Scholars Archive is a service of Oregon State University Libraries & Press

121 The Valley Library
Corvallis, OR 97331-4501

Contact Us
Services for Persons with Disabilities

Powered by Hyrax 3.6.0

Copyright © 2018 Oregon State University
Licensed under the Apache License, Version 2.0

Core Trust application (pdf)