Index Catalog // ScholarsArchive@OSU

Localization and genetic mapping of some factors influencing rachis brittleness and free-threshing habit in wheat

Creator:: Nalam, Vamsi J.
Abstract:: Domesticated forms of wheat exhibit traits that have increased their adaptation to cultivation by humans. Some of the most critical adaptive differences involve changes to morphological features that make the crop easier to harvest like ear rachis stiffness (brittle to non-brittle rachis) and the ease with which the seed is...
Resource Type:: Masters Thesis
Full Text:: approved: Oscar Riera-Lizarazu Domesticated forms of wheat exhibit traits that have increased their

Spatiotemporal distribution of the anti-diabetic drug, metformin, in the lower Columbia River and its effect on phytoplankton growth

Creator:: Cummings, Brittany M.
Abstract:: Water quality impacts both human and ecosystem health. Many pharmaceuticals and personal care products are considered contaminants of emerging concern (CEC) due to their bioactive properties. Among these, metformin—the most commonly prescribed drug for treatment of type 2 diabetes—has been reported at high concentrations (μg L⁻¹) in stream, lake, and...
Resource Type:: Masters Thesis
Full Text:: , IN THE LOWER COLUMBIA RIVER AND ITS EFFECT ON PHYTOPLANKTON GROWTH By Brittany M. Cummings

Exiles and rebels : women in the American left 1900-1920

Creator:: Cummings, Katherine H.
Abstract:: Between 1900 and 1920 women were responsible for much of the social and political activity in the United States. Recent work by feminist historians has revealed that women were interested in a broad range of issues at the turn of the twentieth century. The American Left addressed such issues as...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Katherine H. Cummings for the degree of Master of Arts in

Using Structured Decision Making to Integrate Human Wellbeing in Puget Sound Recovery

Creator:: Ramos-Cummings, Alexa C.
Abstract:: In Washington State, regional leaders have acknowledged the intrinsic value of nature and are striving to provide equal consideration to both human and nonhuman nature in the quest to restore the Puget Sound. But watershed-based committees supporting this work have faced challenges to effectively consider human wellbeing (HWB) in their...
Resource Type:: Capstone Project
Full Text:: PUGET SOUND RECOVERY A COMPARATIVE WATERSHED STUDY ALEXA RAMOS-CUMMINGS MASTER OF NATURAL RESOURCES

Nuclear and chloroplast diversity of Pacific Northwest wheat (Triticum aestivum) breeding germplasm

Creator:: Edwards, Melanie Love
Abstract:: Wheat breeders must effectively maintain and manage existing genetic diversity in order to continue the development of superior genotypes. It is therefore fundamental that the genetic relationships and diversity within the germplasm pools be thoroughly characterized and understood. Recently, DNA-based markers have provided powerful tools for genetic diversity analysis. This...
Resource Type:: Masters Thesis
Full Text:: to my major professors, Dr. Oscar Riera- Lizarazu and Dr. Jim Peterson for their guidance and

Sensitivity of wheat genotypes to a toxic fraction produced by Cephalosporium gramineum and correlation with disease susceptibility

Creator:: Rahman, Mahfuzur
Abstract:: Cephalosporium stripe, caused by the soil-borne ascomycete Cephalosporium gramineum, is becoming an increasingly important disease of winter wheat (Triticum aestivum) in several areas of the world, especially where stubble mulch is practiced to maintain soil moisture and prevent erosion. As cultural control of the disease is infeasible and no fungicides...
Resource Type:: Masters Thesis
Full Text:: , Thomas J. Wolpert, and Oscar RieraLizarazu for their advice, support, and encouragement during this

Pyramiding quantitative trait loci conditioning partial resistance to Sclerotinia sclerotiorum in bush blue lake green beans (Phaseolus vulgaris)

Creator:: Barrett, Miles Andrew
Abstract:: Sclerotinia sclerotiorum (Lib.) de Bary is a necrotrophic pathogen capable of causing white mold, a severe disease in common bean. White mold is of particular concern to the Oregon snap bean processing industry, where processors allow less than 3% incidence in harvested shipments. Breeding for white mold resistance in beans...
Resource Type:: Masters Thesis
Full Text:: reflection of his skills in my future endeavors. I am thankful for Dr. Shawn Mehlenbacher and Dr. Oscar

Jointed goatgrass : outcrossing, competition with winter wheat, and response to timing and rate of imazamox

Creator:: Cannon, Joshua B.
Abstract:: Jointed goatgrass (Aegilops cylindrica Host.) is a serious weed problem in wheat (Triticum aestivum L.) production in the United States. Studies were conducted to determine the outcrossing rate, competitive ability, and effectiveness of certain control practices on jointed goatgrass. A field study was conducted over two years at four locations...
Resource Type:: Masters Thesis
Full Text:: Peachey and Oscar Riera-Lizarazu for serving on my graduate committee. The quality of my experience here

Seed protein and chromosome number analyses of experimental wheat x jointed goatgrass (Aegilops cylindrica Host) hybrid derivatives

Creator:: Crémieux, Lis︡ele
Abstract:: The occurrence of seed-producing wheat x jointed goatgrass hybrids in infested wheat fields suggests the possibility of gene flow between the two species. This study investigates 'Madsen' wheat x jointed goatgrass F₁ and reciprocal backcross derivatives produced in experimental field plantings. Electrophoresis of the high molecular weight (HMW) glutenin seed...
Resource Type:: Masters Thesis
Full Text:: University. Special thanks are extended to: Drs. Oscar Riera-Lizarazu, Shawn Mehienbacher, and Richard

Genetics of tocopherol composition in sunflower seed

Creator:: Hass, Catherine G.
Abstract:: Tocopherols are plant secondary metabolites that are known collectively as vitamin E. Tocopherol compounds act as potent antioxidants by quenching free radicals and protecting fatty acids from oxidative damage. In humans (in vivo) tocopherols protect membrane lipids from breaking down, while in oils (in vitro) tocopherols protect fatty acids from...
Resource Type:: Masters Thesis
Full Text:: , Dr. Jim Myers, Dr. Oscar Riera-Lizarazu, Dr. Carol Rivin, and Dr. Bill Braunworth. I am extremely

ScholarsArchive@OSU

Localization and genetic mapping of some factors influencing rachis brittleness and free-threshing habit in wheat

Spatiotemporal distribution of the anti-diabetic drug, metformin, in the lower Columbia River and its effect on phytoplankton growth

Exiles and rebels : women in the American left 1900-1920

Using Structured Decision Making to Integrate Human Wellbeing in Puget Sound Recovery

Nuclear and chloroplast diversity of Pacific Northwest wheat (Triticum aestivum) breeding germplasm

Sensitivity of wheat genotypes to a toxic fraction produced by Cephalosporium gramineum and correlation with disease susceptibility

Pyramiding quantitative trait loci conditioning partial resistance to Sclerotinia sclerotiorum in bush blue lake green beans (Phaseolus vulgaris)

Jointed goatgrass : outcrossing, competition with winter wheat, and response to timing and rate of imazamox

Seed protein and chromosome number analyses of experimental wheat x jointed goatgrass (Aegilops cylindrica Host) hybrid derivatives

Genetics of tocopherol composition in sunflower seed

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