Index Catalog // ScholarsArchive@OSU

Evaluation of Fusarium proliferatum Mycotoxin Profiles in Infected Garlic Cloves

Creator:: Rossi, Francesca
Abstract:: Fusarium proliferatum is a fungus found in soils which produces the mycotoxin group known as fumonisins. Of human concern due to hepato-, nephro- and neurotoxicity, the threat of fumonisins lies within several food items, including corn, wheat sorghum, asparagus and, more recently, garlic. Manifesting as ““garlic rot”,” F. proliferatum infection...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Cynthia Ocamb, Committee Member, representing Department of Botany and Plant Pathology

Building social capital through community-agency collaboration : a survey of residents in northeast Washington

Creator:: Maier, Carolin
Abstract:: Over the past half century, the USDA Forest Service has increasingly faced diverse and often competing demands for forest resources, ranging from recreation, to ecosystem services, and timber supply. Building positive community-agency relationships has become increasingly important. Such relationships can improve community support for forest planning and management activities, ultimately...
Resource Type:: Masters Thesis
Full Text:: Cynthia Ocamb for their advice and guidance throughout my program. Finally, my appreciation to I

Determining novel control methods for cabbage maggot (Delia radicum) in the Pacific Northwest

Creator:: Dugger, Chloe D.
Abstract:: Cabbage maggot, Delia radicum (Diptera: Anthomyiidae) impacts the production of Brassicaceae crops worldwide. The larva feed on the roots of crops causing reductions in yields due to impaired root function and unmarketability of crops. Chemical and cultural management programs are commonly used to control cabbage maggot with varying rates of...
Resource Type:: Masters Thesis
Full Text:: . Thank you to my other committee members, Navneet Kaur, Alexandra Stone, and Cynthia Ocamb, for your

Development of Diagnostic Assays for Race Differentiation of Podosphaera macularis

Creator:: Block, Mary H.
Abstract:: Hop powdery mildew (Podosphaera macularis) was confirmed in the Pacific Northwest in 1996. Before 2012, the most common race of P. macularis was able to infect plants that possessed powdery mildew resistance based on the R-genes Rb, R3, and R5. Post 2012, two additional races of P. macularis were discovered...
Resource Type:: Masters Thesis
Full Text:: late 1990’s (Ocamb et al. 1999). New races of powdery mildew have arisen in response to the release

Decomposition of Brassicaceae Residue in the Willamette Valley

Creator:: Berry, Pete A.
Abstract:: An important inoculum source of Leptosphaeria maculans and L. biglobosa (syn Plenodomus spp.), the pathogens that cause black leg in Brassicaceae crops, is infected plant residues. The general acceptance of conservation tillage in the Willamette Valley, Oregon, USA, has enabled a build-up in the amount of residue on or near...
Resource Type:: Dissertation
Full Text:: in this work. My committee members: Dr. Jennifer Parke, Dr. Cynthia Ocamb, Dr. Edward Peachey, and

The ecology of parasite interactions within Chinook salmon

Creator:: Hurst, Charlene N.
Abstract:: The within-host interactions that can occur as a result of mixed infections in wildlife likely influence the outcome of an infection. We investigated the infection frequency and outcome as well as the potential mechanisms regulating mixed infections with two Ceratonova shasta genotypes within the Chinook salmon host. Previous research in...
Resource Type:: Dissertation
Full Text:: appreciation to my dissertation committee; Dr. Jerri Bartholomew, Dr. Anna Jolles, Dr. Cynthia Ocamb, Dr. Kym

Connecting local values and forest policy to the international forest sustainability dialogue

Creator:: Morré, Susan K.
Abstract:: Sustainable management of the world’s forests is a key component for conserving biodiversity, soil and water resources, mitigating climate change, strengthening economies, and promoting sustainable communities and human well-being, now and in the future. While international cooperation is important, the actual policies and management actions that affect forest conditions and...
Resource Type:: Dissertation
Full Text:: Communications; and my graduate representative Cynthia Ocamb, Botany and Plant Pathology. Special thanks to

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

Creator:: Wolfenbarger, Sierra N.
Abstract:: Podosphaera macularis, causal agent of hop powdery mildew, is known to produce cleistothecia (syn. chasmothecia) in eastern North America and Europe, but ascocarps are not reported from the Pacific Northwestern region of North America. Reasons for the apparent absence of cleistothecia in the Pacific Northwest are unknown. We established that...
Resource Type:: Masters Thesis
Full Text:: Northwest until 1997 (Ocamb et al., 1999). Hop powdery mildew was first observed in the Pacific

An assessment of plant community structure, herbivory, soils, and state-and-transition theory on a winterfat (Krascheninnikovia lanata [Pursh] A.D.J. Meeuse & Smit) ecological site

Creator:: Matney, Casey A.
Abstract:: State-and-transition models (STMs) have been successfully used to describe ecological dynamics in woodlands, shrublands, grasslands, and several other ecosystems. Changes in vegetation and soil are measured to gauge and predict plant community dynamics within ecological states and transitions between alternative ecological states. Ecological states and their boundaries are defined by...
Resource Type:: Dissertation
Full Text:: . Next, my committee members; Steven Petersen, Jay Noller, John Buckhouse, and Cynthia Ocamb, your

Comparison and analysis of small area estimation methods for improving estimates of selected forest attributes

Creator:: Goerndt, Michael E.
Abstract:: One of the most common practices regarding estimation of forest attributes is the partitioning of large forested subpopulations into smaller areas of interest to coincide with specific objectives of present and future forest management. New estimators are needed to improve estimation of selected forest attributes in small areas where the...
Resource Type:: Dissertation
Full Text:: of the project would not have been possible, and to Dr. Ocamb for being an excellent Graduate

ScholarsArchive@OSU

Evaluation of Fusarium proliferatum Mycotoxin Profiles in Infected Garlic Cloves

Building social capital through community-agency collaboration : a survey of residents in northeast Washington

Determining novel control methods for cabbage maggot (Delia radicum) in the Pacific Northwest

Development of Diagnostic Assays for Race Differentiation of Podosphaera macularis

Decomposition of Brassicaceae Residue in the Willamette Valley

The ecology of parasite interactions within Chinook salmon

Connecting local values and forest policy to the international forest sustainability dialogue

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

An assessment of plant community structure, herbivory, soils, and state-and-transition theory on a winterfat (Krascheninnikovia lanata [Pursh] A.D.J. Meeuse & Smit) ecological site

Comparison and analysis of small area estimation methods for improving estimates of selected forest attributes

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