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Filtering by: Creator Bull, Ann Scarborough Remove constraint Creator: Bull, Ann Scarborough Committee Member Christensen, Neil Remove constraint Committee Member: Christensen, Neil Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Effect of soil water pressures on population dynamics of Fusarium equiseti, Glocladium virens, Talaromyces flavus and Trichoderma viride, biocontrol agents of Verticillium dahliae in potatoes

Creator:

Hussain, Shaukat

Resource Type:

Masters Thesis
Spring irrigation management of tall fescue (Festuca arundinacea Schreb.) seed crops

Creator:

Orthel, Krista D.

Abstract:

Later maturing cultivars and increased ability to apply irrigation have led to inquiries by producers about proper irrigation management in tall fescue (Festuca arundinacea Schreb.) seed crops. The literature reveals little information about irrigation of perennial grass seed crops in general, and none about tall fescue in particular. Willamette Valley...

Resource Type:

Masters Thesis
Symbiotic characteristics of Rhizobium leguminosarum bv. trifolii recovered from nodules of field-grown Trifolium subterraneum L.

Creator:

Wanjagi, Francis Ndung'u

Abstract:

In a series of greenhouse experiments, isolates representing serotypically distinct subpopulations of Rhizobium leguminosarum bv. trifolii recovered from root nodules of field-grown subclover Trifolium subterraneum cv. "Nangeela"), were evaluated for their symbiotic effectiveness potential, their effect on regrowth potential of subclover, and for their competitive abilities to form nodules. Isolates...

Resource Type:

Masters Thesis
Paclobutrazol and nutrient treatment effects on ovation perennial ryegrass

Creator:

Turner, J. Kevin

Abstract:

Rapid tiller and root production can improve seedling survival and benefit stand establishment of perennial ryegrass (Lolium perenne L.) in commercial seed fields. Environmental conditions after establishment and inherent morphological factors combine to reduce the commercially harvested yield below the theoretical potential yield. These studies were conducted to determine if...

Resource Type:

Dissertation
Grass straw residues as a feed source for wintering beef cattle

Creator:

Stamm, Michele M.

Resource Type:

Masters Thesis
The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Creator:

Nelson, Sheila J.

Resource Type:

Masters Thesis
Nitrogen dynamics in field grown comice pears

Creator:

Sanchez, Enrique E.

Abstract:

The dynamics of N was studied in field grown Comice/Provence quince BA29 pears in Medford, Oregon. Total tree biomass, N content, and ¹⁵N evaluations suggest that young pears require little N (48 kg N ha⁻¹ yr⁻¹). About 45% of total tree N present in dormant trees was remobilized into new...

Resource Type:

Dissertation
Evaluation of responses of sows and their litters to feeding patterns

Creator:

Kwansa, Wilhelmina

Resource Type:

Dissertation
Sampling and management of garden symphylans (Scutigerella immaculata Newport) in western Oregon

Creator:

Umble, Jon R.

Abstract:

Garden symphylans (Scutigerella immaculata Newport) are increasingly important pests of below-ground parts of over 100 crops in Oregon. The focus of our work was to improve S. immaculata management through 1) development of a bait sampling method, 2) examination of the susceptibility of selected crops to S. immaculata feeding in...

Resource Type:

Dissertation
Possible association of grain protein content, harvest index and biological yield in winter wheat populations

Creator:

Costa, Jose Maria

Abstract:

A negative relation between grain protein content and grain yield is frequently observed in wheat (Triticum aestivum L. em Thell) i.e. as grain yield increases, grain protein decreases. It has been suggested that the inverse relation between grain yield and protein is in part the result of developing high yielding...

Resource Type:

Dissertation

Full Text:

special acknowledgement for Ann Corey for her help and friendship. I am very grateful to my wife

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Academic Affiliation

Crop and Soil Science4
Crop Science3
Animal Sciences2
Botany and Plant Pathology1
Entomology1
more Academic Affiliations »

Advisor

Bottomley, Peter J.1
Chastain, Thomas G.1
Chilcote, David O.1
Delcurto, Timothy1
Dick, Richard P.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1990 to 2005

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Committee Member

Christensen, Neil[remove]12
Young, Bill2
Appleby, Arnold1
Baggett, James1
Bedell, Tom1
more Committee Members »

Creator

Costa, Jose Maria1
Horneck, Donald Arthur1
Hussain, Shaukat1
Kwansa, Wilhelmina1
Maxwell, Bruce D.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1989 to 2004

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Decade

2000-20092
1990-19999
1980-19891

Degree Field

Crop Science4
Soil Science3
Animal Science2
Botany and Plant Pathology1
Entomology1
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Degree Level

Doctoral7
Master's5

Degree Name

Doctor of Philosophy (Ph.D.)7
Master of Science (M.S.)5

Language

English [eng]12

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School[remove]12

Peer Reviewed

No12

Resource Type

Dissertation7
Masters Thesis5

Rights Statement

Copyright Not Evaluated9
In Copyright3

Subject

Beef cattle -- Oregon -- Feeding and feeds -- Evaluation1
Beef cattle -- Oregon -- Nutrition1
Food -- Protein content1
Grasses -- Nutrition1
Grasses -- Seeds1
more Subjects »

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