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 2022

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Phomopsis Stem Canker of Sunflower (Helianthus Annuus L.): Etiology and Epidemiological Conditions Affecting Endophytic Population of Diaporthe Spp., and Fungicide Efficacy, Nabin Kumar Dangal

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Combining Soil Health and Fertility Measurements to Improve the Accuracy of Predicting Corn Grain Yield Responses to P and K Fertilization, Benjamin Groebner

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Identifying Sources of Resistance and Fungicide Efficacy Against Fungi Causing Phomopsis Stem Canker in Sunflower, Renan Guidini

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Efficacy of Nanomaterials and Biorationals on the Bacterial Leaf Streak Management in Wheat, Abraham Hanagamaisho

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Evaluating Fungicide Timing, Efficacy, and Sensitivity as Well as Candidate Resistance Genes Against Fungi Causing Phomopsis Stem Canker in Sunflower, Ruchika Kashyap

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Development of Genomic Resources in Vitis Riparia for Discoveries on Pre- And Post-Transcriptional Molecular Regulators of Early Induction into Endodormancy, Michael Robben

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It's Not Just No-Till: Crop Rotations are Key to Improving Soil Quality and Grain Yields at Dakota Lakes Research Farm, Natalie Sturm

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Soil Hydro-Physical Properties, Computed Tomography Measured Pore Parameters, and Soil Health Indicators as Influenced by Tillage and Crop Rotation Systems, Goutham Thotakuri

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Response of Soil Biochemical and Physical Properties to Long Term Prairie Cordgrass and Kura Clover Intercropping System, Vaishnavi Varikuti

ETDS from 2021

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Genome-wide Association Analysis Permits Characterization of Stagonospora nodorum blotch (SNB) Resistance in Hard Winter Wheat, Rami Altameemi

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Auxin-Based Herbicide Program and Rhizobia Application for Weed Control and Nodulation Potential in Auxin Tolerant Soybean, Joy Amajioyi

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Evaluating Canola Genotypes for Growth and Yield under Different Environmental Conditions in South Dakota, Unius Arinaitwe

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Implications of Broadleaf, Grass, and A Blend of Broadleaf And Grass Cover Crops on Soil Health and Corn Production in South Dakota, Hunter Bielenberg

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The Role of the Auxin Biosynthesis and Signaling in Soybean Root Nodule Development, Mucahid Bozkus

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Exploring Quantitative Trait Loci Mapping for Bud Fruitfulness and Bud Break Traits in Grapevine F2 Population, Seyma Bozkus

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Genome Wide Association Study on Kernel Size in Avena Sativa (Oats), Koryne Ann Carlson

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Soil Organic Carbon, Hydro-Physical Properties, Pore Structure and Greenhouse Gas Fluxes under Integrated Crop-Livestock System, Jashanjeet Kaur Dhaliwal

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Studies on Genetic Characterization of Agronomic Traits and Disease Resistance in Bread Wheat, Jyotirmoy Halder

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Evaluation of Biotype 4 Aphis glycines (Hemiptera: Aphididae) Induced Susceptibility on Soybean and Soja, Jakob David Hicks

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Influence of Cover Crops on Water and Nutrient Cycles in South Dakota, Sam Ireland

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Quantifying the Impacts of an Integrated Crop-Livestock System on Plant Nutrient Accumulation, Crop Yield, and Economic Performance, Teerath Singh Rai

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Cold Climate Grape Cultivar`s Physiological and Gene Expression Responses to Low and Freezing Temperatures, Turhan Yilmaz

ETDS from 2020

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Exploring Phenotypic Diversity and Quantitative Trait Loci Mapping for Root Architecture, Freezing Tolerance, Chilling Fulfillment, and Photoperiod Traits in Grapevine Populations, Dilmini Alahakoon

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Biomass and Morphological Development of Miscanthus Compared with Native Grass in South Dakota, Ehsan J. Al Ainizi

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Assembly of Triticum boeoticum ssp. aegilopoides and Triticum monoccocum Genomes, Mustafa Aljadi

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The Role of Endophytes in Conferring Salinity Tolerance in Prairie Cordgrass and the Winter Wheat Mint Variety, Jeffery Bartel

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In-Season Crop Management Effect On Soybean Yield and Grain Quality in Eastern South Dakota, Kelsey Bergman

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Management Implications of a Rye Cover Crop on Nutrient Cycling and Soybean Production in Southeast South Dakota: Focus on Rye Seeding Rates and Termination Timing, Benjamin Brockmueller

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Cover Crop Nutrient Cycling on Western South Dakota Croplands, Justin Brown

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The Impact of Subsurface Physical Characteristics on the Effectiveness of Subsurface Drainage in the Northern Great Plains, Mehmet Emin Budak

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The Status of Dakota Skipper (Hesperia dacotae Skinner) in Eastern South Dakota and the Effects of Land Management, Kendal Annette Davis

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Determining the Effects of Plant Extracts and Saltro Nematicide on Hatching, Mortality and Reproduction of the Soybean Cyst Nematode (Heterodera glycines), Bishnu Prasad Dhital

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Crop Rotations and Cover Crops Influences on Soil Biochemical Properties, Root Characteristics and Economic Performance, Hanxiao Feng

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Phytoremediation of Saline-Sodic Soils in East Central South Dakota Utilizing Perennial Grass Mixtures, Douglas J. Fiedler

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Quantitative Imaging of Cell-Level Auxin Cytokinin Outputs in Soybean and Model Plants, Paul Gaillard

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Reverse Genetic Analysis of Ehd1 for an Association between Flowering Time and Seed Dormancy in Rice (Oryza sativa L.), Yeter Karakoc

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Use of Unmanned Aerial System (UAS) for High Throughput Evaluation of Forage Yield in Oat Breeding Nurseries, Prakriti Sharma

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Predicting Farinograph Stability of Wheat Flour with Mixograph and Glutomatic Tests, Brooke Shumate

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Crop Rotations, Tillage and Cover Crops Influences on Soil Health, Greenhouse Gas Emissions and Farm Profitability, Jasdeep Singh

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Soil Physical and Hydrological Properties, and Greenhouse Gas Emissions under Integrated Crop-Livestock Agroecosystems, Navdeep Singh

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Plant Microbial Interactions in Wheat: Fusarium Head Blight and Arbuscular Mycorrhizal Fungi, Yaqoob Rashid Thurston

ETDS from 2019

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Abundance and Diversity of Grasshoppers and their Ectoparasitic Mites in South Dakota, Erica Anderson

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Nodule Zone-Specific Gene Expression in Soybean, Sadikshya Aryal

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Brassica Carinata Growth and Yield Response to Nitrogen and Sulfur Fertilizers and Impacts on Selected Soil Parameters and GHG Fluxes, Dwarika Bhattarai

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Cropping Sequence Affects Subsequent Soybean Yield, Soil Microbiome and Soil Health, Izzet Bulbul

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Evaluating the Efficacy of Foliar Insecticide and Soybean Seed Treatment in South Dakota, Cole Dierks

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Long-Term Impacts of Manure and Inorganic Fertilization on Soil Physical, Chemical and Biological Properties, Asmita Gautam

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Agronomic and Quality Response of Hard Red Spring Wheat Genotypes to Management Systems in South Dakota, Jonathan Kleinjan

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Estimating Soil Organic Carbon in Cultivated Soils Using Soil Test Data, Remote Sensing Imagery from Satellites (Landsat 8 and PlantScope), and Web Soil Survey Data, Muhammed Halil Koparan

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Some Studies on Leaf Spot of Oats and Triticale, Mohammed Abdullah Lashram

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A Review of the Genus Acrisis Foerster (Hymenoptera: Braconidae) with a New Species from American Licorice and a Survey of Aphid Parasitoids of Soybean Fields in Eastern South Dakota, Abigail P. Martens

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Sunflower Pollinators in South Dakota: An Evaluation of Species Composition, Abundance and Influence on Yield, Mackenzie Mattern

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Quality Evaluations of Hard Red Spring Wheat Grown in South Dakota, Lance Merrick

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Characterizing Spatiotemporal Patterns of White Mold in Soybean across South Dakota Using Remote Sensing, Confiance L. Mfuka

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A Seed Dormancy Gene-mediated Biotechnology to Mitigate Transgene Flow into Weedy Rice, Luai Nahar Muhammad

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Efficacy of Synthetic and Biopesticides on Bacteria Leaf Streak Management and Influence of Cultivar and Environment on Epiphytic Bacteria Diversity on Wheat Seeds, Marilen Nampijja

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Species of Fusarium Causing Root Rot of Soybean in South Dakota: Characterization, Pathogenicity, and Interaction with Heterodera Glycines, Paul Nyawanda Okello

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Development of Computational Techniques for Identification of Regulatory DNA Motif, Cankun Wang

ETDS from 2018

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Evaluation of Alternative Weed Hosts and Management Strategies for Soybean Cyst Nematode in South Dakota, Pawan Basnet

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Assessment and Development of Cold Temperature Germination Tolerance in Oat and Hard Red Spring Wheat, Jacob Baustian

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Efficacy of Seed Treatments, Microbial and Biochemical Pesticides for Managing Early Tan Spot and Stripe Rust Diseases of Wheat, Collins Bugingo

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Air-Propelled Organic Fertilizer Grits Can be Used to Control Weeds and Provide Nitrogen, Michael Carlson

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Soybean Iron Deficiency Chlorosis: Quantitative Trait Locus Validation and Grain Yield Evaluation, Ahmed Charif

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Soybean Aphid Biotype 4 Resistance in Soja and Soybean Plant Introductions, Sophia R. Conzemius

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Regulation of Local Auxin Metabolism during Soybean Nodule Development, Suresh Damodaran

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Insecticidal Seed and In-Furrow Treatment Recommendations for Soybean and Sunflower, Brady Hauswedell

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Land Use Change Sustainability and Carbon Turnover Rate in the Northern Great Plains Soil, Deepak Raj Joshi

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Genetic Component Effects of Two Loci on Seed Dormancy, Awn, Low-Temperature Germination, Plant Height, and Flowering Time in Rice (Oryza sativa L.), Ugur Korkmaz

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Stability Analysis of Immunogenic Gliadin Accumulation in Hard Red Spring Wheat (Triticum Aestivum L.), Stacy Lindblom-Dreis

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Map-Based Cloning and Molecular Characterization of the Seed Dormancy 10 Locus in Rice (Oryza sativa L.), Wirat Pipatpongpinyo

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Impacts of Diverse Crop Rotations and Integrated Crop-Livestock System on Soil Quality in South Dakota, Atilla Polat

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Application of Genomic Approaches to Improve Yield and Bacterial Leaf Streak Resistance in Winter Wheat, Sai Mukund Ramakrishnan

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Quantifying the Short-term Impacts of Cover Crops and Grazing on Soil Health Under an Integrated Crop-Livestock System in South Dakota, Vishal Seth

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Exploiting the Genetic Diversity of Wild Ancestors and Relatives of Wheat for its Improvement, Jagdeep Singh Sidhu

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Greenhouse Gas Emissions from Soil Applied Nitrogen Fertilizers, Samuel Thies

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Palmer Amaranth in South Dakota: Growth, Herbicidal Control, and Soybean Yield Loss, Brian Van De Stroet

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Modeling Soil Organic Carbon in Select Soils of Southeastern South Dakota, Shaina Westhoff

ETDS 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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Development of Best Management Practices for Production of Ethiopian Mustard (Brassica Carinata) in South Dakota, Phillip Kenneth Alberti

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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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Molecular Characterization of Spot Blotch and Bacterial Leaf Streak Resistance in Bread Wheat, Girma Ayana

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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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Impacts of Integrated Crop-livestock System on Soil Surface Greenhouse Gas Fluxes at a Farm Scale in South Dakota, Brant Douville

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Soil Response to Cropping Sequences and Grazing Under Integrated Crop-livestock System, Hanxiao Feng

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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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Using Gluten Index to Improve Spring Wheat Loaf Volume Prediction, Yaming Lu

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Improvement of Milling and Nutritional Quality Characteristics of Oats Through Genomic Selection, Sudha Neupane Adhikari

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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

ETDS 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