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Genetic analysis of catechol siderophore by Erwinia carotovora

Creator:: Bull, Carolee Theresa, 1962-
Resource Type:: Dissertation
Full Text:: THE THESIS OF Caro lee Theresa Bull for the degree of Doctor of Philosophy in Botany and Plant

Calochortus howellii : ecology of a rare serpentine endemic, and comparison with the new species, C. umpquaensis (Liliaceae)

Creator:: Fredricks, Nancy Ann
Resource Type:: Masters Thesis
Full Text:: Nancy Ann Fredricks for the degree of Master of Science in Botany and Plant Pathology presented on

Localization and time of synthesis of wheat germ agglutinin in developing wheat (Triticum aestivum, L.)

Creator:: Triplett, Barbara Ann
Resource Type:: Dissertation
Full Text:: agglutinin in developing wheat (Triticum aestivum, L.) AN ABSTRACT OF THE THESIS OF BARBARA ANN TRIPLETT

Studies on the etiology and epidemiology of bull's eye rot of pears

Creator:: Henriquez, Jose Luis, 1961-
Abstract:: The objective of this dissertation is to introduce low-cost processing methods for the fabrication of ZnO transparent thin-film transistors (TTFTs). A novel method for depositing ZnO body layers via spin-coating of a zinc nitrate-based spin solution is presented. The processing conditions of spin-coated ZnO are optimized to produce continuous and...
Resource Type:: Dissertation

Influence of site, soil, and inoculum density on dwarf bunt (Tilletia controversa Kühn) of winter wheat

Creator:: Clark, Deborah Ann, 1954-
Abstract:: Field microplot studies conducted over two seasons (1982-1984) evaluated the influence of four physically and chemically diverse soils collected from Pacific Northwest wheat fields on the incidence of dwarf bunt of winter wheat caused by Tilletia controversa Kuhn. These soils were placed at Flora and Pendleton, Oregon to determine the...
Resource Type:: Masters Thesis
Full Text:: (Tilletia controversa Kühn) of winter wheat AN ABSTRACT OF THE THESIS OF Deborah Ann Clark Master of

Reproductive isolation and interspecific hybridization in the threatened species, Sidalcea nelsoniana

Creator:: Gisler, Steven D.
Abstract:: In addition to its longstanding recognition as an influential evolutionary process, interspecific hybridization is increasingly regarded as a potential threat to the genetic integrity and survival of rare plant species, manifested through gamete wasting, increased pest and disease pressures, outbreeding depression, competitive exclusion, and genetic assimilation. Alternatively, hybridization has also...
Resource Type:: Masters Thesis
Full Text:: Brunet, and Ann Mari VanDerZanden for their valuable feedback. For his assistance and companionship

Evolutionary relationships among Pinus (Pinaceae) subsections inferred from multiple low-copy nuclear loci

Creator:: Syring, John, Willyard, Ann, Cronn, Richard, and Liston, Aaron
Abstract:: Sequence data from nrITS and cpDNA have failed to fully resolve phylogenetic relationships among Pinus species. Four low‐copy nuclear genes, developed from the screening of 73 mapped conifer anchor loci, were sequenced from 12 species representing all subsections. Individual loci do not uniformly support either the nrITS or cpDNA hypotheses...
Resource Type:: Article
Full Text:: MULTIPLE LOW-COPY NUCLEAR LOCI1 JOHN SYRING,2 ANN WILLYARD,2 RICHARD CRONN,3 AND AARON LISTON2,4

Use of simultaneous analyses to guide fossil-based calibrations of Pinaceae phylogeny

Creator:: Gernandt, David S., Magallon, Susana, Lopez, Gretel Geada, Flores, Omar Zeron, Willyard, Ann, and Liston, Aaron
Abstract:: Uncertainties in the age and phylogenetic position of Pinaceae fossils present significant obstacles to our understanding of the timing of diversification in the family. We demonstrate that simultaneous phylogenetic analyses of chloroplastDNA(matK and rbcL) and nonmolecular characters that include both extant genera and a limited number of fossil taxa provide...
Resource Type:: Article
Full Text:: López,y Omar Zerón Flores,z Ann Willyard,§ and Aaron Listonk *Departamento de Botánica, Instituto de

Reproduction, demography, and habitat characterization of Astragalus peckii (Fabaceae), a rare central Oregon endemic

Creator:: Martin, Elizabeth F.
Abstract:: With little previous research on Astragalus peckii (Fabaceae), a state-listed Threatened species in Oregon, I investigated three facets of its biology which are integral to the conservation and management of the species. First, a four-year demographic study of two large populations revealed increasing population growth at one site (Chiloquin) and...
Resource Type:: Dissertation
Full Text:: growth at another (Bull Flat). Both sites had varying levels of herbivory from a microlepidopteran

Cytokinin production by Agrobacterium tumefaciens

Creator:: Kaiss-Chapman, Richard Wilkinson
Abstract:: Certain plant-associated prokaryotes such as Corynebacteriurn fascians and Agrobacterium tumefaciens are known to produce substantial levels of cytokinins. In view of the fragmentary and presumptive evidence available on the quantitative and qualitative levels of cytokinins produced by A. tumefaciens, it was decided to conduct a study of the cytokinins produced...
Resource Type:: Dissertation

ScholarsArchive@OSU

Genetic analysis of catechol siderophore by Erwinia carotovora

Calochortus howellii : ecology of a rare serpentine endemic, and comparison with the new species, C. umpquaensis (Liliaceae)

Localization and time of synthesis of wheat germ agglutinin in developing wheat (Triticum aestivum, L.)

Studies on the etiology and epidemiology of bull's eye rot of pears

Influence of site, soil, and inoculum density on dwarf bunt (Tilletia controversa Kühn) of winter wheat

Reproductive isolation and interspecific hybridization in the threatened species, Sidalcea nelsoniana

Evolutionary relationships among Pinus (Pinaceae) subsections inferred from multiple low-copy nuclear loci

Use of simultaneous analyses to guide fossil-based calibrations of Pinaceae phylogeny

Reproduction, demography, and habitat characterization of Astragalus peckii (Fabaceae), a rare central Oregon endemic

Cytokinin production by Agrobacterium tumefaciens

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