Index Catalog // ScholarsArchive@OSU

The effects of abscisic acid on gene expression during wheat germination

Creator:: Ballo, Barbara
Abstract:: Germination of immature (Stage III) and mature (Stage V) wheat (Triticum aestivum L. var. Chinese Spring and Yamhill) embryos is prevented by the inclusion of 10⁻⁴ M abscisic acid (ABA) in culture medium. In addition, Stage III embryos develop into mature embryos in culture medium containing ABA. In the absence...
Resource Type:: Dissertation
Full Text:: The Effects of ABscisic Acid on Gene Expression During

A biochemical analysis of the interaction of victorin and oats

Creator:: Navarre, Duroy A.
Abstract:: Victoria blight of oats is caused by the fungus Cochhobolus victoriae. This fungus is pathogenic due to its ability to produce the host-selective toxin victorin. Previously, a 100-kD protein that binds victorin in vivo only in susceptible genotypes was identified as the P protein of the glycine decarboxylase complex (GDC)....
Resource Type:: Dissertation
Full Text:: Victorin and Oat. Abstract approved: /Thomas J. Wolpert Victoria blight of oats is caused by the

Phylogeography and Evolution of Effector Genes in Phytophthora Species

Creator:: Shakya, Shankar K.
Abstract:: Plant pathogens in the genus Phytophthora are known to cause disease on field crops, nursery plants, and forest trees. The best known example probably is Phytophthora infestans, which triggered the infamous Irish potato famine. Other important Phytophthora species include: P. ramorum (sudden oak death pathogen), P. sojae (soybean root rot...
Resource Type:: Dissertation
Full Text:: sequence data and a comparative genomics approach to test the hypothesis of variation in RxLR gene

Comparative gibberellin relationships in tall and dwarf peas (Pisum sativum L.)

Creator:: Anderson, James David
Abstract:: Experiments were performed to determine whether a direct correlation exists between the growth rates of tall and dwarf peas grown either in the light or in the dark and endogenous gibberellin (GA) content. Three separate but related experimental approaches were utilized: (1) the determination of possible qualitative and /or quantitative...
Resource Type:: Dissertation
Full Text:: Abstract approved: Thomas C. Moore Experiments were performed to determine whether a direct

Candidate Genes Associated with Blister Rust Resistance in Whitebark Pine (Pinus albicaulis) Revealed through de novo Transcriptome Assembly and Differential Gene Expression Analysis

Creator:: Bair, Zolton J.
Abstract:: Whitebark pine (Pinus albicaulis) is an iconic North American high-elevation tree species currently threatened by climate change, mountain pine beetle, and white pine blister rust (WPBR), a lethal disease caused by the non-native fungal pathogen Cronartium ribicola. In collaboration with the USDA Forest Service Dorena Genetic Resource Center, germplasm was...
Resource Type:: Dissertation
Full Text:: Transcriptome Assembly and Differential Gene Expression Analysis. Abstract approved

The effects of abscisic acid on gene expression during embryogenesis in wheat

Creator:: Williamson, John D. (John David), 1948-
Resource Type:: Dissertation
Full Text:: The Effects of Abscisic Acid on Gene Expression During

Molecular characterization of a protein toxin involved in the Pyrenophora tritici-repentis/wheat interaction

Creator:: Tuori, Robert P.
Resource Type:: Dissertation
Full Text:: described the isolation of the gene that encodes Ptr ToxA, and confirmed that this gene functions as a

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:: AN ABSTRACT OF THE DISSERTATION OF Thomas N. Kaye for the

Mycorrhizal and other root endophytic fungi of lupines in the Pacific Northwest

Creator:: O'Dell, Thomas E.
Abstract:: We investigated the root endophytic fungi of lupine using four approaches: (1) occurrence of fungal colonization in field-collected roots; (2) growth response of L. latifolius to inoculation with two types of fungi; (3) structure of root colonizations of Pinus and Lupinus by Phialocephala fortinii, a septate endophytic fungus of lupine;...
Resource Type:: Dissertation
Full Text:: in the Pacific Northwest AN ABSTRACT OF THE THESIS OF Thomas E. O'Dell for the degree of Doctor

Effects of single and multiple stressors on communities of wheat and wild oats

Creator:: Pfleeger, Thomas G.
Abstract:: Most plant toxicology tests developed in support of environmental laws use a single stress applied to an individual plant. While tests using individual species or stresses require fewer resources and are easier to interpret, they are under increasing criticism for being unrealistic and missing important ecological interactions. The objective of...
Resource Type:: Dissertation
Full Text:: wheat and wild oats AN ABSTRACT OF THE THESIS OF Thomas G. Pfleeger for the degree of Doctor of

ScholarsArchive@OSU

The effects of abscisic acid on gene expression during wheat germination

A biochemical analysis of the interaction of victorin and oats

Phylogeography and Evolution of Effector Genes in Phytophthora Species

Comparative gibberellin relationships in tall and dwarf peas (Pisum sativum L.)

Candidate Genes Associated with Blister Rust Resistance in Whitebark Pine (Pinus albicaulis) Revealed through de novo Transcriptome Assembly and Differential Gene Expression Analysis

The effects of abscisic acid on gene expression during embryogenesis in wheat

Molecular characterization of a protein toxin involved in the Pyrenophora tritici-repentis/wheat interaction

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

Mycorrhizal and other root endophytic fungi of lupines in the Pacific Northwest

Effects of single and multiple stressors on communities of wheat and wild oats

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