Index Catalog // ScholarsArchive@OSU

Ecological thresholds, climate extremes, and tree species' distributions across the Pacific coastal United States

Creator:: Lintz, Heather E.
Abstract:: Species' distributions across the landscape are perhaps the least understood yet most conspicuous features of life on earth. Ecologists have long studied species' distributions; yet, many questions remain about why species occur where they do. Such questions persist largely because species' distributions are complex systems with challenging properties like non-linearity,...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Heather E. Lintz for the degree of Doctor of Philosophy in

Copper and streptomycin resistance in Pseudomonas syringae isolated from Pacific Northwest nurseries

Creator:: Scheck, Heather J.
Resource Type:: Dissertation
Full Text:: isolated from Pacific Northwest nurseries AN ABSTRACT OF THE DISSERTATION OF Heather J. Scheck of the

Cryptogam communities in forest and steppe ecosystems of Oregon, USA

Creator:: Root, Heather T.
Abstract:: I focus on addressing knowledge gaps relating to management of cryptogams in Oregon's public lands in Pseudotsuga menziesii-Tsuga heterophylla forests on the west side of the Cascade Range and dryland steppe in the Cascade Range's rainshadow. While a great deal of research has illustrated the importance of late-successional forests for...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Heather T Root for the degree of Doctor of Philosophy in Botany and Plant Pathology

Seedborne Phytophthora infestans : effect of pathogen clonal lineage and potato cultivar on seed transmission of late blight and plant growth responses

Creator:: Partipilo, Heather M.
Abstract:: Seed piece to plant transmission of the potato late blight pathogen, Phytophthora infestans, occurred with isolates of the clonal lineages US-8 in Oregon and US-11 in Washington in field trials. Average transmission rate across potato cultivars was 0.5 and 2.4% with US-8, and 0.8 and 1.0% with US-11 in 1999...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Heather M. Partipilo for the

The influence of pollinators on the maintenance of mixed mating in a population of the blue columbine, Aquilegia coerulea (Ranunculaceae)

Creator:: Sweet, Heather R.
Abstract:: Pollination ecology may play an important role in the maintenance of selfing in populations of self-compatible hermaphroditic plants where both selfing and outcrossing occur (mixed mating). Behavior and abundance of pollinators can influence the two major modes of selfing; autogamy (selfing within a flower) and geitonogamy (selfing between flowers on...
Resource Type:: Masters Thesis
Full Text:: OF Heather R. Sweet for the degree of Master of Science in Botany and Plant Pathology

Wind farm potential is higher in prime habitat for uncommon soil crust lichens

Creator:: Root, Heather T., McCune, Myrica, and McCune, Bruce
Abstract:: Introduction: Biotic soil crust communities contribute valuable ecosystem services and biodiversity in steppe ecosystems. The uncommon crust lichens Acarospora schleicheri, Fuscopannaria cyanolepra, Rhizocarpon diploschistidina, and Texosporium sancti-jacobi are associated with fine-textured soils along rivers of the Columbia Basin. A. schleicheri and R. diploschistidina indicate late-successional habitat and may serve as...
Resource Type:: Article
Full Text:: Open Access Wind farm potential is higher in prime habitat for uncommon soil crust lichens Heather T

Geographic, climatic, and chemical differentiation in the Hypogymnia imshaugii species complex (Lecanoromycetes, Parmeliaceae) in North America

Creator:: McCune, Bruce, Schoch, Conrad, Root, Heather T., Kageyama, Stacie A., and Miadlikowska, Jolanta
Abstract:: Hypogymnia imshaugii is one of the most common, conspicuous and morphologically variable epiphytic lichens of the Pacific coastal states and provinces. The species varies greatly in morphology and chemistry, suggesting multiple closely related species or one or more phenotypically plastic species. We sought to determine whether additional ecologically meaningful species...
Resource Type:: Article
Full Text:: , Conrad Schoch1,2, Heather T. Root1, Stacie A. Kageyama1,3, and Jolanta Miadlikowska4 1 Department of

Genetic framework for flowering-time regulation by ambient temperature-responsive miRNAs in Arabidopsis

Creator:: Lee, Hanna, Yoo, Seong Jeon, Lee, Jeong Hwan, Kim, Wanhui, Yoo, Seung Kwan, Fitzgerald, Heather, Carrington, James C., and Ahn, Ji Hoon
Abstract:: Flowering is the primary trait affected by ambient temperature changes. Plant microRNAs (miRNAs) are small non-coding RNAs playing an important regulatory role in plant development. In this study, to elucidate the mechanism of flowering-time regulation by small RNAs, we identified six ambient temperature-responsive miRNAs (miR156, miR163, miR169, miR172, miR398 and...
Resource Type:: Article
Full Text:: Lee1, Wanhui Kim1, Seung Kwan Yoo1, Heather Fitzgerald2,3, James C. Carrington2,3 and Ji Hoon Ahn1

Purification and properties of the polygalacturonases produced by Fusarium oxysporum f. sp. lycopersici

Creator:: Harman, Gary Elvan, 1944-
Abstract:: This study was undertaken to determine the sorts of polygalacturonases present in the culture filtrate of Fusarium oxysporum f. sp. lycopersici, to purify and characterize these enzymes, and to study any complexes that may form between polygalacturonase and carbohydrate not degraded by the enzyme. The polygalacturonase in culture filtrate consists...
Resource Type:: Dissertation
Full Text:: Redacted for PrivacyAbstract approved: Dr. Malcolm E. Corden This study was undertaken to determine the

Effect of a broccoli green manure, soil solarization, and isolates of Verticillium dahliae on Verticillium wilt of agronomic and nursery crops

Creator:: Berlanger, Ingrid E.
Abstract:: Green manures, soil solarization, and long rotations with crops not susceptible to Verticillium wilt are among the disease management tactics currently under investigation as alternatives to chemical fumigation of soil. The effect of a broccoli green manure on soil microsclerotial populations of three isolates of Verticillium dahliae and on Verticillium...
Resource Type:: Masters Thesis
Full Text:: THESIS OF Ingrid E. Ber1anger for the degree ofMaster ofScience in Botany and PJant Pathology

ScholarsArchive@OSU

Ecological thresholds, climate extremes, and tree species' distributions across the Pacific coastal United States

Copper and streptomycin resistance in Pseudomonas syringae isolated from Pacific Northwest nurseries

Cryptogam communities in forest and steppe ecosystems of Oregon, USA

Seedborne Phytophthora infestans : effect of pathogen clonal lineage and potato cultivar on seed transmission of late blight and plant growth responses

The influence of pollinators on the maintenance of mixed mating in a population of the blue columbine, Aquilegia coerulea (Ranunculaceae)

Wind farm potential is higher in prime habitat for uncommon soil crust lichens

Geographic, climatic, and chemical differentiation in the Hypogymnia imshaugii species complex (Lecanoromycetes, Parmeliaceae) in North America

Genetic framework for flowering-time regulation by ambient temperature-responsive miRNAs in Arabidopsis

Purification and properties of the polygalacturonases produced by Fusarium oxysporum f. sp. lycopersici

Effect of a broccoli green manure, soil solarization, and isolates of Verticillium dahliae on Verticillium wilt of agronomic and nursery crops

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Location

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search