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Filtering by: Alternative title ssim Crop pest series no. 1 Remove constraint Alternative title ssim: Crop pest series no. 1 Decade 1950-1959 Remove constraint Decade: 1950-1959 Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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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:

and other weather conditions favorable to rapid growth of the hop vines also favor rapid 1
Inheritance of resistance to physiologic races T-8, T-16, and T-17 of Tilletia caries (DC.) Tul. in hybrids of (27-15 x RIO-REX) - selection 53 and Elgin wheat

Creator:

Jaff, Akram H. (Akram Hamid), 1928-

Resource Type:

Dissertation

Full Text:

No. 1 Z 3 4 5 6 7 - -~ . 9)~ ..1!.~!!~13~ _1_~_15 16 l Z ~ 4 5 1 8 9 10 Iteaetion
Factors affecting vegetable seed production in the Willamette Valley, Oregon

Creator:

Schudel, Harold Lester

Resource Type:

Dissertation

Full Text:

advantage can be realized for that particular crop. If an economic advantage can no longer be maintained
Vegetation-soil relationships in some Artemisia types in northern Harney and Lake Counties, Oregon

Creator:

Eckert, Richard Edgar

Resource Type:

Dissertation

Full Text:

itand . . . . . . . . . 154 30 Soil profile representing soil series 1 and associated with an
Some factors affecting the establishment and growth of improved forage species on Laughlin-like soils in western Oregon

Creator:

Valassis, Vlassios Thomas

Resource Type:

Dissertation

Full Text:

for the year 1953 from the entire plot No. 6, seeded in ohewings fescue . . . . . . . . 159 1 Grams
Seed-head development in tall fescue as influenced by date of application of 3 Chloro IPC

Creator:

Dunn, Samuel Jefferson

Resource Type:

Dissertation

Full Text:

.1 LITLTURE............................................ 3 Cu1tra]. Praaticei and Co&.iticna
Sodium 2,2-dichloropropionate and sodium 2,2,3-trichloropropionate absorption and translocation in certain vegetable crops and residual activity in soil

Creator:

Laning, Enos Roland

Resource Type:

Dissertation

Full Text:

INTRODUCTION .................. ... 1 REVIE1 OF LITeATUSE ,..,,. 4 Absorption and
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:

four claases: (1) no roots infected., (2) one to three roots infected, (3) four to six roots
Streptomycin absorption and translocation by hops (Humulus lupulus L.) and effects of streptomycin on the hop downy mildew disease

Creator:

Maier, Charles Robert

Resource Type:

Dissertation

Full Text:

• • • • • • • • • • .. • • .. • • • • • • • • • ) 0 1 •. B. subtilis inhibition by known streptomyein concentra tions, using dilution series or
Occurrence, behavior and control of Verticillium albo-atrum Reinke and Berth in small fruits

Creator:

Pratt, Michael John

Resource Type:

Dissertation

Full Text:

no apparent relation between soil type, climatic environment or crop history and the vertical

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Academic Affiliation

Botany25
Entomology10
Farm Crops6
Food Technology6
Horticulture6
more Academic Affiliations »

Advisor

Vaughan, Edward K.6
Milbrath, J. A.5
Ritcher, Paul O.4
Bollen, W. B.3
Martin, Charles H.3
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1950 to 1959

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Committee Member

Belkengren, R. O.1
Belkengren, Richard O.1
Chilcote W. W.1
Dietz, S. M.1
Hansen, Elmer1
more Committee Members »

Creator

Abd El Samie, Ahmed Gamal1
Alban, L. A. (Lawrence Arthur), 1922 19651
Aref, Moustafa1
Aspitarte, Thomas Robert1
Azzam, Hassan Ahmed1
more Creators »

Date

Date range begin – Date range end

Current results range from 1950 to 1959

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Decade

1950-1959[remove]77

Degree Field

Botany14
Plant Pathology11
Entomology10
Farm Crops6
Food Technology6
more Degree Fields »

Degree Level

Doctoral77

Degree Name

Doctor of Philosophy (Ph.D.)[remove]77

File Format

application/pdf1

Language

English [eng]77

Non-Academic Affiliation

Oregon State University. Graduate School77

Peer Reviewed

No77

Resource Type

Dissertation77

Rights Statement

Copyright Not Evaluated77

Subject

Virus diseases of plants7
Fruit -- Diseases and pests4
Root rots3
Beans2
Beans -- Disease and pest resistance2
more Subjects »

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