Index Catalog // ScholarsArchive@OSU

Cover crop effect on soil microbial biomass after fumigation in potato fields in the Columbia Basin

Creator:: Kim, Esther
Abstract:: In the Columbia Basin, pre-plant soil fumigation is commonly used in potato production for pest control, but fumigation can kill non-target organisms within the soil, result in unintended shifts in the microbial community, and disrupt long-term soil health. Cover crops have been shown to strongly influence the numbers and communities...
Resource Type:: Masters Thesis
Full Text:: committee Dr. Markus Kleber, Dr. Ed Peachey, and Dr. Sagar Sathuvalli. Additionally, thank you Dr. Shahram

Investigating the Potential of Slow Release Nitrogen Fertilizer to Increase Agricultural Nitrogen Management Efficiency for Tall Fescue in the Southern Willamette Valley

Creator:: Derksen, Jacob Z.
Abstract:: Nitrogen (N) fertilizer application can promote nitrate leaching below the rooting zone and into groundwater drinking water sources in many agricultural settings. The proper management of N application can minimize non-point source nitrate pollution to groundwater. This study examines the potential for enhanced efficiency fertilizers, specifically urea treated with a...
Resource Type:: Masters Thesis
Full Text:: and principal investigator, Jana Compton and the rest of his committee Ed Peachey, William Jaeger

Chemical Control of Suckers in Hazelnuts (Corylus avellana): Comparing Herbicide Efficacy, Spray Nozzle, and Carrier Volume

Creator:: Larocca de Souza, Larissa
Abstract:: Hazelnuts (Corylus avellana) produce a prolific growth in the base of the trunk and roots, known as suckers, which are often removed in order to promote the development of a single trunk tree. Sucker removal facilitates cultural practices and mechanized operations, such as weed management and harvest. Sucker presence can...
Resource Type:: Masters Thesis
Full Text:: . Pscheidt, Dr. Ronald Edward Peachey, and Dr. Valtcho Jeliazkov. During my period in Dr. Moretti's

Soil Water Tension Irrigation Criteria Affects Both Stevia Rebaudiana Leaf Yield and Leaf Steviol Glycoside Composition

Creator:: Parris, Cheryl A.
Abstract:: Stevia (Stevia rebaudiana) is a perennial herbaceous plant native to Paraguay and used traditionally by the native Guarani peoples for centuries to sweeten medicinal teas. Stevia has only been commercially cultivated over the past 50 years and cultural practice information suitable for implementation by growers is limited. Currently stevia’s commercial...
Resource Type:: Masters Thesis
Full Text:: steviol glycosides were not reported. In south-western Belavatagi, India (15o 34’ N, 75o 21’ E, 578

Physiological effects of non-nutritive sugars on the survivorship and fecundity of Drosophila suzukii (Diptera: Drosophilidae)

Creator:: Tang, Siew Bee
Abstract:: Spotted wing drosophila (SWD), Drosophila suzukii, is an economically damaging pest on small fruits. The estimated economic impact is hundreds of millions of dollars annually in the U.S. alone, and increasing every year. Current control of SWD relies heavily on chemical insecticides which have many negative impacts on environmental and...
Resource Type:: Masters Thesis
Full Text:: would also like to thank Drs. Jana Lee, Vaughn Walton and Ronald Wrolstad for being in my committee. I

Antioxidant potential of yeast containing beer

Creator:: Morris, Edward E.
Abstract:: It has been suggested that cellular damage from oxygen radicals is one of the processes leading to cardio-vascular disease and cancer. Natural antioxidants prevent uncontrolled oxidative reactions by decreasing molecular oxygen levels, scavenging chain-initiating and chain-propagating free radicals, chelating metals, or decomposing peroxides. Beer is rich in antioxidants, derived both...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Edward E. Morris for the degree of

Cross-cultural sweetness preferences for a sports drink

Creator:: Chung, Seo-Jin
Abstract:: Asian countries have become one of the largest export markets for US food developers during the past decade. Understanding consumer expectations and needs in a cross-cultural framework has gained importance for new products to succeed in the international markets. A sports-drink, which is a functional drink for athletes, has been...
Resource Type:: Masters Thesis
Full Text:: advice in Statistics, Dr. Ronald E. Wrolstad and Dr. Shoichi Kimura for their devotion and comments on

Fluorimetric analysis of intracellular calcium in high and low mobility fowl sperm

Creator:: Olson, Jill Wardell
Abstract:: Sperm mobility is defined as the net movement of a sperm population against resistance. Previous research demonstrated that the cell-permeant Ca2+ indicator rhod-2 AM gave a fluorescent signal predominantly in the head region of fowl sperm that differed between sperm mobility phenotypes. This thesis served to explore the role of...
Resource Type:: Masters Thesis

A modeling and experimental approach to understanding the bottlenecks in xylulose utilization in S. cerevisiae

Creator:: Hohenschuh, William
Abstract:: The production of fuel ethanol from lignocellulosic biomass has the potential to replace a significant portion of non-renewable transport fuels. Woody feedstocks are composed of cellulose, hemicellulose, and lignin. Glucose, the monomer of cellulose, is readily utilized by wild-type S. cerevisiae, but xylose, which comprises 60% of the sugar in...
Resource Type:: Masters Thesis
Full Text:: enough experiments something would work. Dr. Ronald Hector for both his guidence and work in developing

Furaneol flavor compounds in ripening strawberry (Fragaria x ananassa Duch.)

Creator:: Sanz, Carlos Calvo
Resource Type:: Masters Thesis
Full Text:: : Patrick J. Breen, Ronald E. Wrolstad and my graduate representative, Marcos Kogan. Their valued comments

ScholarsArchive@OSU

Cover crop effect on soil microbial biomass after fumigation in potato fields in the Columbia Basin

Investigating the Potential of Slow Release Nitrogen Fertilizer to Increase Agricultural Nitrogen Management Efficiency for Tall Fescue in the Southern Willamette Valley

Chemical Control of Suckers in Hazelnuts (Corylus avellana): Comparing Herbicide Efficacy, Spray Nozzle, and Carrier Volume

Soil Water Tension Irrigation Criteria Affects Both Stevia Rebaudiana Leaf Yield and Leaf Steviol Glycoside Composition

Physiological effects of non-nutritive sugars on the survivorship and fecundity of Drosophila suzukii (Diptera: Drosophilidae)

Antioxidant potential of yeast containing beer

Cross-cultural sweetness preferences for a sports drink

Fluorimetric analysis of intracellular calcium in high and low mobility fowl sperm

A modeling and experimental approach to understanding the bottlenecks in xylulose utilization in S. cerevisiae

Furaneol flavor compounds in ripening strawberry (Fragaria x ananassa Duch.)

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