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Phytophthora Community Structure Analyses in Oregon Nurseries Inform Systems Approaches to Disease Management

Creator:: Parke, Jennifer L., Knaus, Brian J., Fieland, Valerie J., Lewis, Carrie, and Grünwald, Niklaus J.
Abstract:: Nursery plants are important vectors for plant pathogens. Understanding what pathogens occur in nurseries in different production stages can be useful to the development of integrated systems approaches. Four horticultural nurseries in Oregon were sampled every 2 months for 4 years to determine the identity and community structure of Phytophthora...
Resource Type:: Article
Full Text:: L. Parke, Brian J. Knaus, Valerie J. Fieland, Carrie Lewis, and Niklaus J. Grünwald First and

Pathogenicity, Fungicide Resistance, and Genetic Variability of Phytophthora rubi Isolates from Raspberry (Rubus idaeus) in the Western United States

Creator:: Stewart, Jane E., Kroese, Duncan, Tabima, Javier F., Larsen, Meredith M., Fieland, Valerie J., Press, Caroline M., Zasada, Inga A., and Grünwald, Niklaus J.
Abstract:: Root rot of raspberry (Rubus idaeus), thought to be primarily caused by Phytophthora rubi, is an economically important disease in the western United States. The objectives of this study were to determine which Phytophthora species are involved in root rot, examine the efficacy of different isolation methods (cane, root, and...
Resource Type:: Article
Full Text:: 97330; Valerie J. Fieland, Department of Botany and Plant Pathology, Oregon State University, Corvallis

The Irish potato famine pathogen Phytophthora infestans originated in central Mexico rather than the Andes

Creator:: Goss, Erica M., Tabima, Javier F., Cooke, David E. L., Restrepo, Silvia, Fry, William E., Forbes, Gregory A., Fieland, Valerie J., Cardenas, Martha, and Grünwald, Niklaus J.
Abstract:: Phytophthora infestans is a destructive plant pathogen best known for causing the disease that triggered the Irish potato famine and remains the most costly potato pathogen to manage worldwide. Identification of P. infestan’s elusive center of origin is critical to understanding the mechanisms of repeated global emergence of this pathogen....
Resource Type:: Article
Full Text:: . Tabimab, David E. L. Cookec, Silvia Restrepod, William E. Frye, Gregory A. Forbesf, Valerie J. Fielandb

Yersinia ruckeri : a characterization of the carrier state in steelhead trout (Salmo gairdneri)

Creator:: Hunter, Valerie Antoinette
Abstract:: Fish, asymptomatically infected with Enteric Redmouth Bacterium (ERMB), were tested for their ability to transmit bacteria to non-infected fish. Unstressed carrier fish were unable to transmit enough bacteria to cause epizootics or produce carrier fish. However, when the ERMB carriers were stressed with heat, sufficient bacteria were shed to infect...
Resource Type:: Masters Thesis
Full Text:: in steelhead trout (Salmo gairdneri) AN ABSTRACT OF THE THESIS OF Valerie Antoinette Hunter for

Scanning tunneling microscopy of organic monolayers at the fluid- solid interface

Creator:: Marty, Valerie J.
Abstract:: More that just magnificent views of atoms and molecules, Scanning Tunneling Microscopy, STM, images have the potential to answer some fundamental questions relating to surface molecular dynamics and bonding characteristics of localized species versus more common analytical tools that provide average of bulk sample information. A special feature of the...
Resource Type:: Masters Thesis
Full Text:: fluid- solid interface AN ABSTRACT OF THE THESIS OF Valerie J. Marty for the degree of Master of

A comparative analysis of clerical office occupations teachers' and business employers' perceptions of the competencies important for a high school graduate of clerical office occupations program to possess for an entry-level job in Oregon

Creator:: Akeyo, Valerie Tabitha
Abstract:: The Purpose of the Study: The primary purpose of this study was to compare the clerical office occupations teachers' and business employers' perceptions of the competencies important for a high school graduate to possess for an entry-level clerical office job in Oregon. A secondary purpose was to determine the best...
Resource Type:: Dissertation
Full Text:: OF VALERIE TABITHA AKEYO for the degree of DOCTOR OF EDUCATION in VOCATIONAL EDUCATION presented on

Validation of Predicted Functional Transcription Factor Binding Sites in Arabidopsis thaliana

Creator:: Ozguc, Olivia R.
Abstract:: Gene expression is largely regulated by the binding of transcription factors to short sequences of DNA (transcription factor binding sites) to drive or repress transcription of an adjacent gene. Identifying the key transcription factor binding sites associated with a particular biological outcome provides an avenue for tailored transcriptional regulation in...
Resource Type:: Honors College Thesis
Full Text:: Member, representing Botany & Plant Pathology Valerie Fraser, Committee Member, representing Botany

Expression and G protein coupling of the M2 muscarinic acetylcholine receptor in Sf9 insect cells

Creator:: Mosser, Valerie A.
Resource Type:: Dissertation
Full Text:: by Valerie A. Mosser June 4 1999 ftJl Rights Reserved Expression and G Protein Coupling of the

Investigating Transcriptional Control of Specialized Gene Expression in Plants

Creator:: Fraser, Valerie N.
Abstract:: Specialized or secondary metabolism is a collection of pathways and small molecules that, while beneficial to an organism, are not strictly necessary for survival. Plants use secondary metabolites to, among other things, attract pollinators, defend against biotic and abiotic stressors, and form symbioses. Natural products from plants have seen an...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Valerie N

A new estimator of effective area surveyed in wildlife studies

Creator:: Wildman, Valerie Jean
Abstract:: A new estimator of effective area surveyed is proposed for use in estimating population sizes or densities. The estimator is based on the cumulative distribution function for the observed detection areas and can be used with the data arising from either a line transect or a variable circular plot survey....
Resource Type:: Dissertation
Full Text:: May 2, 1983 Typed by researcher for Valerie J, Wildman ACKNOWLEDGEMENTS I would like to

ScholarsArchive@OSU

Phytophthora Community Structure Analyses in Oregon Nurseries Inform Systems Approaches to Disease Management

Pathogenicity, Fungicide Resistance, and Genetic Variability of Phytophthora rubi Isolates from Raspberry (Rubus idaeus) in the Western United States

The Irish potato famine pathogen Phytophthora infestans originated in central Mexico rather than the Andes

Yersinia ruckeri : a characterization of the carrier state in steelhead trout (Salmo gairdneri)

Scanning tunneling microscopy of organic monolayers at the fluid- solid interface

A comparative analysis of clerical office occupations teachers' and business employers' perceptions of the competencies important for a high school graduate of clerical office occupations program to possess for an entry-level job in Oregon

Validation of Predicted Functional Transcription Factor Binding Sites in Arabidopsis thaliana

Expression and G protein coupling of the M2 muscarinic acetylcholine receptor in Sf9 insect cells

Investigating Transcriptional Control of Specialized Gene Expression in Plants

A new estimator of effective area surveyed in wildlife studies

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