Index Catalog // ScholarsArchive@OSU

Evaluation of kasugamycin-use strategies designed to delay development of resistance in Erwinia amylovora

Creator:: Hubbard, Andrew Robert
Abstract:: The antibiotics, streptomycin sulfate and oxytetracycline, are used widely for fire blight suppression in the Pacific Northwest region of the United States. The efficacy of streptomycin, however, is compromised by widespread streptomycin-resistance in E. amylovora populations, and oxytetracycline is only partially effective. Consequently, for several years, the aminoglycoside antibiotic, kasugamycin...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Andrew Robert Hubbard for the degree of Master of Science in Botany

Ecotypic adaptation of Setaria lutescens (Weigel) F. T. Hubbard to alfalfa culture in California

Creator:: Schoner, Carl Arnold
Abstract:: Setaria lutescens (yellow foxtail) plants, grown from five seed sources were compared in California. Seed sources were: Connecticut, Iowa, Massachusetts, Pennsylvania and California. Morphological and physiological differences between biotypes include: plant size, growth habit, time required to mature and reproductive capa city. Most significant is the prostrate habit of the...
Resource Type:: Dissertation
Full Text:: . HUBBARD, TO ALFALFA CULTURE IN CALIFORNIA Abstract approved by Redacted for privacy William W. Chilcote

Identification and Occurrence of Sweet Cherry (Prunus avium) Virus and Virus-Like Diseases in Various Regions and Orchards of Oregon

Creator:: Reinhold, Lauri A.
Abstract:: There are over 35 known virus and virus-like diseases of sweet cherry (Prunus avium), some with potential to cause severe economic impact by reducing vegetative growth, vigor, and/or quality of fruit. Oregon is the second-ranked state for sweet cherry production in the United States with 13,000 acres and $70.8 million...
Resource Type:: Dissertation
Full Text:: . 1953. Virus diseases of stone fruits. US Dept. Agr. Yearbook. Eastwell, K. and Villlamor, D. 2016

Using local climate to explain temporal variation in rare plant populations

Creator:: Pfingsten, Ian A.
Abstract:: Increased temperatures due to anthropogenic-induced climate change may raise the threat of extinction for taxa with sessile life histories (e.g., plants) in the near future. Linking climate change models to demographic models may provide useful insights into the potential effects of environmental changes on rare plants, and therefore aid in...
Resource Type:: Masters Thesis
Full Text:: , Katie Gallagher, Alisha Owensby, Drew Hubbard, Clare Taylor, Erin Gray, Heather Lintz, Laura Sims

Description of the plant communities and succession of the Oregon coast grasslands

Creator:: Ripley, James Douglas
Abstract:: In an effort to describe the plant communities and succession of the Oregon coastal grasslands, vegetation and environmental data were collected from 75 stands at 24 separate locations ranging from Cape Falcon in Tillamook County to Cape Ferrelo in Curry County. The vegetation data consisted of cover and frequency values...
Resource Type:: Dissertation
Full Text:: thank the other members of my graduate committee, Professors Kenton L. Chambers, Garvin D. Crabtree

Qualitative changes in cytoplasmic proteins in plants treated with plant growth regulating chemicals

Creator:: Norris, L. A.
Abstract:: This thesis concerns the alteration of the course of selective protein synthesis and morphogenesis in plants treated with growth regulating chemicals. Treatment of 48-hour-old "Alaska" pea seedlings (Pisum sativum L.) with 2, 4-D, IAA, NAA or picloram caused inhibition of epicotyl and primary root elongation and proliferation of massed lateral...
Resource Type:: Dissertation
Full Text:: (Name of student) in Botany (Plant Physiology) (Major) Ph, D. (Degree) presented on er- /5 (96. (Date

Nitrogen fixation by Purshia tridentata : some ecological aspects and root nodule anatomy

Creator:: Dalton, David Andrews
Abstract:: This study examines several aspects of nitrogen fixation by Purshia tridentata (Pursh) D. C., a rosaceous shrub widespread in the central Oregon pumice region, especially as an understory species in Pinus ponderosa and Pinus contorta forests. Anatomical studies of root nodules under the light microscope revealed strong similarities to other...
Resource Type:: Masters Thesis
Full Text:: (Pursh) D. C., a rosaceous shrub widespread in the central Oregon pumice region, especially as an

Pathological and ecological aspects of decline and mortality of Chamaecyparis nootkatensis in southeast Alaska

Creator:: Hennon, Paul Edward
Abstract:: Alaska-cedar (Chamaecvparis nootkatensIs (D. Don) Spach) is a valuable tree that is suffering from a serious decline and mortality of unknown cause throughout southeast Alaska. Epidemiological and pathological studies were initiated to determine if a pathogen is the primary cause of this problem. By examining old aerial photographs and by...
Resource Type:: Dissertation
Full Text:: nootkatepsIs (D. Don) Spach) is a valuable tree that is suffering from a serious decline and mortality of

Conservation of Oenothera wolfii (Onagraceae) : introducing a threatened plant into two protected locations in Oregon

Creator:: Currin, Rebecca E.
Abstract:: The showy biennial to short-lived perennial Oenothera wolfii (Munz) Raven, Dietrich & Stubbe (Wolf’s evening primrose) occurs in only a small number of isolated populations on the southern Oregon and northern California coast. This rare species is currently listed as Threatened in Oregon, and is considered a Species of Concern...
Resource Type:: Masters Thesis
Full Text:: , Brie-Anne McKernan-Stout, Steve Gisler and Troy Maddux all provided encouragement, ideas, or cups of

Comparison of the water relations characteristics of woody plants in western Oregon

Creator:: Davis, Kent J.
Abstract:: I studied the water relations traits, twig conductivity, C'3 isotopic composition, and wood density of three conifer and five angiosperm species in western Oregon. This study took place from spring 2002 to fall 2003 on four sites. Species were selected to represent the diversity of drought tolerance of woody plants...
Resource Type:: Masters Thesis
Full Text:: ..................................................................... 63 3.11 Relationship between wd and mean k (A), mean k1 (C), minimum 'I'md (B) and 'I'sz (D

ScholarsArchive@OSU

Evaluation of kasugamycin-use strategies designed to delay development of resistance in Erwinia amylovora

Ecotypic adaptation of Setaria lutescens (Weigel) F. T. Hubbard to alfalfa culture in California

Identification and Occurrence of Sweet Cherry (Prunus avium) Virus and Virus-Like Diseases in Various Regions and Orchards of Oregon

Using local climate to explain temporal variation in rare plant populations

Description of the plant communities and succession of the Oregon coast grasslands

Qualitative changes in cytoplasmic proteins in plants treated with plant growth regulating chemicals

Nitrogen fixation by Purshia tridentata : some ecological aspects and root nodule anatomy

Pathological and ecological aspects of decline and mortality of Chamaecyparis nootkatensis in southeast Alaska

Conservation of Oenothera wolfii (Onagraceae) : introducing a threatened plant into two protected locations in Oregon

Comparison of the water relations characteristics of woody plants in western Oregon

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