Index Catalog // ScholarsArchive@OSU

Community Ecology of Foliar Fungi and Oomycetes of Pseudotsuga menziesii on the Pacific Northwest Coast

Creator:: Gonen, Lilah
Abstract:: Pseudotsuga menziesii var. menziesii (coast Douglas-fir) is a tree of ecological, economic, and cultural value in its native North American Pacific Northwest (PNW) distribution. P. menziesii is host to a variety of well-documented endophytic foliar microorganisms, including the fungus Nothophaeocryptopus gaeumannii, the causal agent of Swiss needle cast (SNC), and...
Resource Type:: Masters Thesis
Full Text:: Jared LeBoldus Pseudotsuga menziesii var. menziesii (coast Douglas-fir) is a tree of

Conservation and Land Management : Seeds of Success, New Mexico

Creator:: Weller, Stacey A.
Abstract:: The Seeds of Success (SOS) is a wildland seed collection program in support of the interagency Native Plant Materials Development Program (NPMP) and in partnership with the global conservation initiative, the Millennium Seed Bank Project of the Royal Botanic Gardens, Kew. SOS collections follow a set protocol with consideration for...
Resource Type:: Capstone Project
Full Text:: REPORT OF Stacey A. Weller for the degree of Master of Botany and Plant Pathology in the

Genomic Investigations of Diversity within the Milkweed Genus Asclepias, at Multiple Scales

Creator:: Weitemier, Kevin A.
Abstract:: At a time when the biodiversity on Earth is being rapidly lost, new technologies and methods in genomic analysis are fortunately allowing scientists to catalog and explore the diversity that remains more efficiently and precisely. The studies in this dissertation investigate genomic diversity within the milkweed genus, Asclepias, at multiple...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Kevin A. Weitemier for

Population viability analysis of endangered plant species : an evaluation of stochastic methods and an application to a rare prairie plant

Creator:: Kaye, Thomas N.
Abstract:: Transition matrix models are one of the most widely used tools for assessing population viability. The technique allows inclusion of environmental variability, thereby permitting estimation of probabilistic events, such as extinction. However, few studies use the technique to compare the effects of management treatments on population viability, and fewer still...
Resource Type:: Dissertation
Full Text:: Viability Analysis of Endangered Plant Species: an Evaluation of Stochastic Methods and an Application to a

Conservation of Rorippa columbiae : an evaluation of reintroduction potential through the study of germination ecology, propagation methods, and habitat requirements

Creator:: Kentnesse, Laura E.
Abstract:: Rare plant reintroductions are a critical conservation tool for the augmentation of diminishing populations, or re-establishment of extirpated populations. Analysis of reintroduction failures suggests that a sophisticated understanding of species biology, ecology, and habitat is essential for producing self-sustaining rare plant populations. This study sought to generate that background knowledge...
Resource Type:: Masters Thesis
Full Text:: reintroductions are a critical conservation tool for the augmentation of diminishing populations, or re

Variation of drought resistance and root regeneration among genotypes of Port-Orford-cedar (Chamaecyparis lawsoniana)

Creator:: Sharpe, Jodie M.
Abstract:: Drought resistance among genotypes of Port-Orford-cedar (Chamaecyparis lawsoniana (A. Murr.) Pan., Cupressaceae) seedlings was evaluated both in the field and in the greenhouse. Field water potentials (Ψ) of 5-year-old seedlings were measured at two high-elevation plantation sites where summer drought occurs. Measurements of Ψ were compared to survival two years...
Resource Type:: Masters Thesis
Full Text:: lawsoniana (A. Murr.) Pan., Cupressaceae) seedlings was evaluated both in the field and in the greenhouse

Differential Effects of First Year Wheat Genotype on the Suppression of Take-All Disease and the Establishment of Suppressive Microbial Agents in the Rhizosphere

Creator:: Perkins, Evan M.
Abstract:: Recent research in the UK has found that the wheat cultivar grown in the first year can have a significant impact on the amount of take-all that develops in the second year, regardless of the cultivar planted in year two. ‘Einstein’ is one such cultivar that reduces take-all disease (reduced...
Resource Type:: Masters Thesis
Full Text:: research in the UK has found that the wheat cultivar grown in the first year can have a significant

Scratching the Surface of the Potato Geocaulosphere: Characterizing the Microbiome of Seed Tuber Tare Soil and its Impact on the Rhizosphere Microbiome

Creator:: Delventhal, Kayla D.
Abstract:: For tuberizing crops like potato (Solanum tuberosum), the geocaulosphere, or the zone of soil in contact with and influenced by the tuber, is a distinct sphere of microbial life and represents an important interface between the potato crop and the soil environment. Upon potato harvest, specific geocaulosphere soil called tare...
Resource Type:: Masters Thesis
Full Text:: geocaulosphere, or the zone of soil in contact with and influenced by the tuber, is a distinct sphere of

The Role of Plant-soil Feedback in the Invasion of Brachypodium sylvaticum in Douglas-fir Forests

Creator:: Esterson, Andrew
Abstract:: Invasive plants have the capacity to transform landscapes and alter ecosystem function, causing significant economic and ecological damage. These effects include displacement and reduction of native flora and fauna, altered fire regimes, modification of biotic and abiotic soil properties, as well as local, regional, and global economic impacts. With such...
Resource Type:: Masters Thesis
Full Text:: . One process that has been associated with plant invasion is plant-soil feedback (PSF). A PSF occurs

Transposon-induced nutritional and virulence mutants in two pathovars of Pseudomonas syringae

Creator:: Anderson, Dirk M.
Resource Type:: Masters Thesis
Full Text:: . 7. Buchanan-Wollaston, A. V., Beringer, J. E., Brewin, N. J., Hirsch, P. R., and Johnston, A. W. B

ScholarsArchive@OSU

Community Ecology of Foliar Fungi and Oomycetes of Pseudotsuga menziesii on the Pacific Northwest Coast

Conservation and Land Management : Seeds of Success, New Mexico

Genomic Investigations of Diversity within the Milkweed Genus Asclepias, at Multiple Scales

Population viability analysis of endangered plant species : an evaluation of stochastic methods and an application to a rare prairie plant

Conservation of Rorippa columbiae : an evaluation of reintroduction potential through the study of germination ecology, propagation methods, and habitat requirements

Variation of drought resistance and root regeneration among genotypes of Port-Orford-cedar (Chamaecyparis lawsoniana)

Differential Effects of First Year Wheat Genotype on the Suppression of Take-All Disease and the Establishment of Suppressive Microbial Agents in the Rhizosphere

Scratching the Surface of the Potato Geocaulosphere: Characterizing the Microbiome of Seed Tuber Tare Soil and its Impact on the Rhizosphere Microbiome

The Role of Plant-soil Feedback in the Invasion of Brachypodium sylvaticum in Douglas-fir Forests

Transposon-induced nutritional and virulence mutants in two pathovars of Pseudomonas syringae

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