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Filtering by: Subject Dahlias -- Diseases and pests Remove constraint Subject: Dahlias -- Diseases and pests

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Isolation and identification of dahlia viruses

Creator:

Lawson, Roger Harold

Abstract:

Three viruses were isolated from dahlias using a modification of Yarwood's leaf-disc method of inoculation. Two of these isolates have been reported previously in dahlias. In addition, a fourth virus was isolated using a liquid-nitrogen transmission technique. Dahlia virus isolate 1 possessed host range and thermal inactivation properties similar to...

Resource Type:

Dissertation

Full Text:

Isolation and identification of dahlia viruses AN
Screening for Viral Disease in the OSU Tomato Breeding Program

Creator:

Kershner, Alexandria C.

Abstract:

Disease control is a crucial aspect of plant breeding for researchers as well as commercial producers. After samples from OSU's tomato breeding program tested positive for Columnea latent viroid in a screen done by a private company, secondary testing was done by the USDA laboratory in Corvallis which suggested that...

Resource Type:

Honors College Thesis

Full Text:

1 Screening for Viral Disease in the OSU Tomato Breeding
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
Biology of Meligethes seminulum lec. (Coleoptera: Nitidulidae)

Creator:

Dickason, E. A. (Elvis Arnie), 1919-

Resource Type:

Masters Thesis

Full Text:

- ported as an economic pest because it destroys the flowers of cruciferous and uinbelliferous plants
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
Studies of yellow rust of Rubus

Creator:

Lund, Walter Thomas

Resource Type:

Masters Thesis

Full Text:

and Distribution of the Disease ............. i Purpose of the Investigation
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
Rhizoctonia of the potato

Creator:

Corsaut, Jesse Harrison

Resource Type:

Masters Thesis

Full Text:

the disease on sugar beets in 1858 , and on carrots in 1854. Following the report of the disease
Studies of the crinkle disease of strawberry, with special reference to its transmission

Creator:

Vaughan, Edward Kemp

Resource Type:

Masters Thesis

Full Text:

. Geographic Distribution and Econoric Importance 5 III. Symptomz of Crinkle IV. Nature of the Disease

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Academic Affiliation

Botany and Plant Pathology163
Entomology93
Botany65
Horticulture64
Crop and Soil Science35
more Academic Affiliations »

Advisor

Hansen, Everett M.18
Roth, Lewis F.18
Berry, Ralph E.13
Milbrath, J. A.12
Vaughan, Edward K.11
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1911 to 2019

View distribution

Unknown 1,248

Committee Member

Fisher, Glenn11
Johnson, Kenneth11
Hayes, Patrick10
Hansen, Everett9
Johnson, Ken9
more Committee Members »

Conference Name

Western Orchard Pest and Disease Management Conference333
Pacific Northwest Insect Management Conference66
Pacific Northwest Vegetable Insect Conference11

Conference Section/Track

Pome Fruits158
Deciduous Orchard Diseases40
Chemical Control/New Products35
Foliage and Seed Feeding Pests23
Nuts21
more Conference Section/Tracks »

Creator

Oregon State University. Extension Service257
Oregon State College. Agricultural Experiment Station151
United States. Forest Service. Northern Region. State & Private Forestry143
Pscheidt, Jay W.94
United States. Forest Service. Northern Region70
more Creators »

Contributor

Mack, H. J.1
Vaughan, E. K.1

Date

Date range begin – Date range end

Current results range from 1892 to 2021

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Decade

1990-1999354
1980-1989290
1970-1979209
1960-1969116
1950-195980
1940-194993
1930-193996
1920-192936
1910-191912
1900-190919
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Degree Field

Botany and Plant Pathology125
Entomology96
Botany78
Horticulture61
Crop Science42
more Degree Fields »

Degree Level

Master's315
Doctoral215
Bachelor's21

Degree Name

Master of Science (M.S.)310
Doctor of Philosophy (Ph.D.)215
Bachelor of Science (B.S.)12
Honors Bachelor of Science (H.B.S.)3
Master of Arts (M.A.)3
more Degree Names »

File Format

application/pdf302
pdf173

Language

English [eng]1,788
Spanish; Castilian [spa]5

License

All rights reserved124
Public Domain Mark 1.03
Attribution-NonCommercial 4.0 (CC BY-NC 4.0)2

Location

Oregon, Oregon, United States, (Administrative Boundary)1

Non-Academic Affiliation

Oregon State University. Graduate School528
Oregon State University. Agricultural Experiment Station283
Oregon State University. Extension Service267
Oregon State University. Honors College3
Oregon Explorer1
more Non-Academic Affiliations »

Peer Reviewed

No982
Yes221

Resource Type

Technical Report771
Conference Proceeding411
Masters Thesis315
Dissertation215
Other51
more Resource Types »

Rights Statement

Copyright Not Evaluated1,022
In Copyright702
No Copyright - United States68

Subject

Agricultural pests -- Control -- Congresses388
Apples -- Diseases and pests136
Pears -- Diseases and pests125
Report (United States. Forest Service. Northern Region. Insect and Disease Management)62
Codling moth -- Control57
more Subjects »

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