This community contains the theses and dissertations of the South Dakota State University, Department of Agronomy, Horticulture, and Plant Science.
Due to copyright restrictions, the collection contains both open access and university access theses and dissertations. University access items are only available to SDSU users, and on-campus visitors. Non-SDSU users wishing to access restricted materials may request items through their institution’s interlibrary loan services.

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Theses/Dissertations from 2017

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Characterization of Pyrenophora Tritici-Repentis in Wheat and Rye to Study Tan Spot Susceptibility and Insights Into Its Relationship with Stem Rust Resistance, Sidrat Abdullah

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A Survey of Non-crop Plants as Alternative Hosts to Raspberries for Drosophila suzukii (Spotted Wing Drosophila), Bennur Agbaba

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Response of Soil Properties to 23-25 Years of Diverse Crop Rotations and Tillage Systems in South Dakota, USA, Abdullah H. Alhameid

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Phytophthora Sojae Infecting Soybean: Pathotype Diversity, New Sources of Resistance and Interaction with the Soybean Cyst Nematode, Rawnaq Nazneen Chowdhury

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Assessment of Hard Red Spring Wheat Germplasm for Cold Temperature Germination Tolerance, Ulas Cinar

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Mitigating Risks of Ochratoxin A Contamination in Oats, Bandana Dhungana

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Native Species for Biomass Production and Roadside Habitat in South Dakota, Jacob Foley

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Silencing Seed Dormancy Genes to Mitigate Risk of Transgene Flow to Weedy Rice, Alexander Wireko Kena

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Impacts of Landscape Position and Nitrogen Fertilizer on Soils, Carbon and Nitrogen Leaching, and Greenhouse Gas Fluxes from Switchgrass Production in South Dakota, Liming Lai

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Managing Phomopsis Stem Canker of Sunflower Using Improved Diagnosis and Quantification of the Causal Pathogens, Taylor Rae Olson

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Perimeter Cropping As a Means of Reducing Insect Injury and Increasing Crop Yield, Brett L. Owens

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Differential Gene Expression in Two Nodule Zones of Soybean, Sunita Pathak

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Diaporthe, Soybean Cyst Nematode, and Soybean Aphid: An Evaluation of Potential Interactions Occurring Among Pests on Soybean in South Dakota, John Philip Posch

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Regulation of ARF16-2 by microRNA160 During Soybean Root Nodule Development, Spencer Schreier

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Impacts of Crop Residue and Cover Crops on Soil Hydrological Properties, Soil Water Storage and Water Use Efficiency of Soybean Crop, Kopila Subedi-Chalise

Theses/Dissertations from 2016

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Distribution and Characterization of the Soybean Cyst Nematode, Heterodera glycines (HG) Types in South Dakota, Krishna Acharya

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Transcriptional and Post-Transcriptional Regulation of Nodule-Specific Gene Expression in Soybean, Sajag Adhikari

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Evaluation of Flame Weeding in Southeastern South Dakota, Benjamin William Arlt

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Quantitative Trait Loci Analysis of Low Temperature Responses in Grapevine F2 Population, Mani Awale

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Evaluation of Tillage, Crop Rotation, and Cover Crop Impacts on Corn Nitrogen Requirements in Southeastern South Dakota, Sara Louise Berg

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Evaluation and Identification of Soybean Aphid Resistance Sources and Mapping of Soybean Aphid Resistance Loci in Early Maturing Soybean Germplasm Accessions, Siddhi Jeewan Bhusal

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Spatial Variability Analysis and Reclamation of Saline-Sodic Soils in the Northern Great Plains, Girma Birru

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Morphologic and Transcriptomic Response to Weed Pressure in Multiple Maize (Zea mays L.) Selections and Teosinte (Zea mays L. ssp parviglumis) Lines, Stephanie A. Bruggeman

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Effects of Seed Applied Fungicide on Arbuscular Mycorrhizal Colonization of South Dakota Cultivars of Oat, Soybean, and Corn, Jesse Cameron

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Corncob Grit Application as an Alternative to Control Weeds in Two Crop Production Systems, Mauricio Erazo-Barradas

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Soybean Yield and Plant Response to Phosphorus Fertilization, Rebecca L. Helget

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A Molecular Genetic and Physiological Comparison of the Hybrid Necrosis Response in Wheat (Triticum Aestivum L.) to Biotic and Abiotic Stress Responses, Devi R. Kandel

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Root Rot Pathogens of Wheat in South Dakota and Their Affect on Seed Germination and Seedling Blight in Spring Wheat Cultivars, Navjot Kaur

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Soil Salinity Study in Northern Great Plains Sodium Affected Soil, Tulsi P. Kharel

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The Efficacy of Allopurinol in Suppressing Hypersensitive-like Symptoms in Wheat (Triticum aestivum L.) and in Suppressing Sunflower Rust (Puccinia helianthi) Symptoms, Thumbiko Walker Gambler Mkandawire

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Long-term Impacts of Annual Cattle Manure and Fertilizer on Soil Quality Under Corn-Soybean Rotation in Eastern South Dakota, Ekrem Ozlu

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Restoration of Eroded Lands with Biochar as Soil Amendment in South Dakota, Saroop S. Sandhu

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Effects of Corn (Zea mays L.) Stover Removal and Leaching on Soil Test and Whole Plant K Levels in Corn and K Fertilization/High-Input Treatments on Soybean Using Site-Specific Management to Increase Soybean (Glycine max) Production in South Dakota, Nick J. Schiltz

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Response of Soil and Water Quality to Winter Manure Application from Small Agricultural Watersheds in South Dakota, Shikha Singh

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Demonstrating Short-term Impacts of Grazing Cover Crops on Soil Health in South Dakota, Colin Tobin

Theses/Dissertations from 2015

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Volunteer Glyphosate-Resistant Corn and Soybean Competition and Control, Jill Alms

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Bi-Parental and Multi-Parental Based Mapping of Quantitative Traits in Spring Wheat, Rosa Guerrero Chavez

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RNA-SEQ Analysis of Doubled Haploid Resistant and Susceptible Wheat (Triticum Aestivum L.) Lines Challenged by the Orange Wheat Blossom Midge (Sitodiplosis Mosellana) (Gehin) (Diptera: Cecidomyiidea), Aditi Kondhia

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Mob Grazing as a Perennial Weed Management Tool in South Dakota Grazinglands, Heidi Myer

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Monitoring Unexpected Corn Rootworm Damage to BT Maize and the Change in Species Composition of Diabrotica in South Dakota, David Ordosch

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Early Season Root Trait Analysis of Pavon Spring Wheat Translocation Lines, Cody Oswald

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Spatial Variability of Saline and Sodic Soils in the Black Glaciated Region of the Northern Great Plains, USA, Rachel K. Owen

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Grass-Feeding Gall Midges (Diptera: Cecidomyiidae) and Their Parasitoids in Eastern South Dakota, Juan Manuel Perilla-Lopez

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Effects of Neonicotinoid Insecticides on Spider Mites (Acari: Tetranychidae) Associated with Soybeans, Karly Regan

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Organic Foliar MilStop Exhibits Efficacy Against Soybean Aphid Aphis glycines Matsumura (Hemiptera: Aphididae) on Soybean Glycine max (L.) Merrill (Fabales: Fabaceae), Philip Anthony Rozeboom

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A Revision of the Bee Genus Ptiloglossa Smith (Hymenoptera: Colletidae: Diphaglossinae), Rita Isabel Velez-Ruiz

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Impacts of Crop Residue and Cover Crops on Soil Quality Under a Corn-soybean Rotation in South Dakota, Brianna R. Wagner

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Identifications of GPR119 Interacting Proteins: The Effect of Abscisic Acid on the Interactions and the Role of SERPI on Localizing GPR119 to the Plasma Membrane, Bing Xu

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An Analysis of Grain Characteristics and Their Potential Impact on Test Weight in Wheat (Triticum aestivum L.), Dalitso Noble Yabwalo

Theses/Dissertations from 2014

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Quantitative Trait Locus Analysis of Iron Deficiency Chlorosis in Soybean, Sarah Adjei-Fremah

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Evaluation of Mycotoxin Accumulation and Bran Thickness Between Red and White Wheat (Triticum Aestivum L.) Near-Isogenic Lines, Hema Durga Prasad Damecharla

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Impact of Low-Amylose, Waxy Wheat (Triticum Aestivum L.) Flour Blends on Functional Tortilla Characteristics, Rodrigo Sampaio Dos Santos

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Simultaneous Mapping and Pyramiding of Fusarium Head Blight Resistance Loci in Wheat Breeding Populations, Jonathan Tyler Eckard

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Assessment of Hard Red Spring Wheat Germplasm for Germination in Sub-Optimal Temperatures, Shawn Jenkins

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Pyrolysis Processing and Feedstock Impact on Biochar Soil-Plant Interactions, Javier Quintin Mollinedo

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Crop Canopy Effects on Kochia Establishment in Crop Fields, Rutendo Nyamusamba

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Characterizing the Fitness Cost to Wheat (Triticum Aestivum L.) Genotypes with Multiple Leaf Rust Resistance Genes, Christine Smith

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Influence of a 1RS.1BL, Rye/Wheat Chromosome Translocation on the Tolerance of Winter and Spring Wheat to Drought, William Ellsworth Wyant

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Genetic Association Mapping : Missing Markers, Epistatic Effects, and Applications, Yi Xu

Theses/Dissertations from 2013

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Impacts of Spring-interseeded Cover Crops on Late-emerging Weed Suppression and Ground Cover in Corn (Zea mays L.) Production Systems, Alex D. Bich

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Biological and Agronomic Aspects of Two Insect Predators of Switchgrass, Veronica Calles Torrez

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Use of an Optical Sorter to Select for Winter Wheat (Triticum aestivum L.) Kernel Color, Bradley K. Carsrud

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Mycotoxins Risk in Maize Fields in Relation to Insect and Edaphic Factors in South Dakota, Rosemary Gutierrez-Coarite

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Germplasm Evaluation for Bacterial Disease Resistance and Mapping QTL Conferring Resistance Against Xanthomonas campestris pv. translucens in Wheat, Yuba Raj Kandel

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Fluctuation of Soybean Fatty Acids in South Dakota Environments, David Karki

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The Analysis of Cytotypic Variation and Construction of a BAC Library of Midwestern Prairie Cordgrass(Spartina pectinata Link) Genotypes, Brandon Monier

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Using Ants (Hymenopters:Formicidae) as Indicators of Restoration Success in the Tallgrass Praiaries of Southeastern South Dakota, Laura Beth Winkler

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Genetic Analysis and QTL Mapping of Seed Dormancy in Synthetic Hexaploid Wheat, Lihua Zhang

Theses/Dissertations from 2012

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Regulation of GmHD-ZIPIII During Soybean Root Lateral Organ Development, Suresh Damodran

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Evaluation of Prairie Cordgrass (Spartina pectinat, link) for Biomass Production on Marginal Land, Karla A. Hernández Valentín

Theses/Dissertations from 1988

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Forage Potential of Seasonal Wetlands, Daniel Edward Hubbard

Theses/Dissertations from 1937

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The Effect of Cultivation on Certain Chemical and Physical Properties of Some South Dakota Soils, Oscar E. Olson

Theses/Dissertations from 1934

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The Effect of Fertilizer Applications on the Quality and the Quantity of the Oil in Flaxseed, Clarence O. Stockland

Theses/Dissertations from 1931

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The Effect of a Varying Moisture Supply at Different Periods of Growth on the Development, Yield and Quality of Flax, William K. Soule

Theses/Dissertations from 1926

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An Investigation to Determine the Relative Feeding Value of Stacked Green Corn Compared to Corn Fodder; Corn Silage Plus Alfalfa Hay; and Alfalfa Hay Alone As A Preliminary Feed for Fattening Cattle, John Hetland

Theses/Dissertations from 1893

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A Study of the Forage Plants of South Dakota with Their Fungous and Insect Enemies, David Griffiths