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Filtering by: Subject Sweet cherry -- Diseases and pests Remove constraint Subject: Sweet cherry -- Diseases and pests Academic Affiliation Botany and Plant Pathology Remove constraint Academic Affiliation: Botany and Plant Pathology Degree Level Doctoral Remove constraint Degree Level: Doctoral

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Biology of sweet cherry powdery mildew

Creator:

Calabro, Jill M.

Abstract:

The Pacific Northwest has become one of the nation’s premier sweet cherry, Prunus avium, production areas. As production of sweet cherries has flourished in Oregon and Washington, so has powdery mildew, caused by the fungus Podosphaera clandestina, which infects both foliage and fruit causing severe economic damage to growers. Sweet...

Resource Type:

Dissertation

Full Text:

1.3 Disease cycle of sweet cherry powdery mildew………...8 1.4 Disease forecasting and control
Relation of boron to cherry rosette disease in Oregon, and the possible implication in Oregon, and the possible implication of a virus

Creator:

Bolwyn, Bart

Abstract:

A disease of sweet cherry (Prunus avium L.) known as "cherry rosette" has threatened production of cherries in Oregon. In 1961 this disease was observed in widely separated orchards. Rosette occurred in isolated trees or in spreading patterns, often from identified single trees or from one section of an orchard....

Resource Type:

Dissertation

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DISEASE IN OREGON, AND THE POSSIBLE IMPLICATION OF A VIRUS INTRODUCTION The disease of sweet cherry
Brown rot of sweet cherry in western Oregon

Creator:

Gashaira, Bashir

Resource Type:

Dissertation

Full Text:

. Aspects of the Disease Cycle of Brown Rot on Sweet Cherry 14 MATERIALS AND METHODS 20 I. A. Disease
Sweet corn decline syndrome in Oregon's Willamette Valley

Creator:

Hoinacki, Elisabeth V.

Abstract:

For the past several years vegetable growers in Oregon's Willamette Valley have experienced reduced yields in their sweet corn plantings. We conducted studies to 1) describe the symptomology and etiology of the disease, 2) test a root rot rating system we developed to evaluate factors in the disease syndrome, and...

Resource Type:

Dissertation

Full Text:

severity of root rot of sweet corn, indicating that the primary cause of the disease is soilborne and
Responses and relationships among Fusarium species, sweet corn, and western spotted cucumber beetles

Creator:

Miller, Nathan L. (Nathan Louis)

Abstract:

Sweet corn (Zea mays L.) yields in the Willamette Valley of Oregon have been declining since the early 1990’s. Studies were done to determine if there is a relationship between ear weight and several disease parameters including necrotic crowns or stalk nodes, nodal root rot, radicle root rot, and sub-crown...

Resource Type:

Dissertation

Full Text:

conductance, and disease in crown and node tissues of sweet corn grown in the Willamette Valley

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Academic Affiliation

Botany and Plant Pathology[remove]5

Advisor

Cameron, H. Ronald1
Milbrath, J. A.1
Ocamb, Cynthia1
Powelson, Mary L.1
Spotts, Robert Allen, 1945 1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1968 to 2007

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Committee Member

Braunworth, Bill1
Fowler, John1
Grove, Gary1
Jepson, Paul1
Johnson, Kenneth1
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Creator

Bolwyn, Bart1
Calabro, Jill M.1
Gashaira, Bashir1
Hoinacki, Elisabeth V.1
Miller, Nathan L. (Nathan Louis)1

Date

Date range begin – Date range end

Current results range from 1967 to 2007

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Decade

2000-20093
1980-19891
1960-19691

Degree Field

Botany and Plant Pathology5

Degree Level

Doctoral[remove]5

Degree Name

Doctor of Philosophy (Ph.D.)5

File Format

application/pdf2

Language

English [eng]5

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No4

Resource Type

Dissertation5

Rights Statement

In Copyright3
Copyright Not Evaluated2

Subject

Sweet corn -- Diseases and pests -- Oregon -- Willamette River Valley2
Cherry -- Diseases and pests1
Cherry -- Diseases and pests -- Oregon1
Corn -- Root rot -- Oregon -- Willamette River Valley1
Fusarium -- Oregon -- Willamette River Valley1
more Subjects »

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