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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ETDS from 2015

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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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Identification 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

ETDS from 2014

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

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Inheritance and Molecular Mapping of Soybean Aphid Resistance in Soybean Germplasm Accession PI 603432B, Mukhtar Omar Agoub

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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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Runoff Simulation Using Apex from Long-term No-till and Grazed Pasture Watersheds, Sagar Gautam

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Utilizing On-farm Research to Better Understand Site-specific Seeding Rates for Corn (Zea mays L.) and Soybean (Glycine Max) Production in South Dakota, Kyle R. Gustafson

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

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Family-based Mapping for Preharvest Sprouting Resistance Quantitative Trait Loci in Spring Wheat, Muna Kadariya

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Biomass Production and Quality of Prairie Cordgrass (Spartina Pectinata Link) Using Urea and Kura Clover (Trifolium ambiguum Bieb.) as a Source of Nitrogen, Sung Un Kim

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Genetics of Biomass and Biomass-related traits in Cup Plant (Silphium perfoliatum L.), Teshale A. Mamo

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Calculating Erosion Potential Using IFSAR Elevation Models in Two Major Watersheds in South Dakota, Denise M. Miller

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

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Application of Prosail Reflectance Model to SD Crops and Grasses, Jannatun Naher

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

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A Semi-micro Assay and Genetic Analysis for Late-maturity Alpha-amylase Activity in Bread Wheat, Golam Rasul

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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

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Genome-wide Association Studies for Agronomic Traits and Seed Composition in Early Maturing Soybean (Glycine max) Germplasm, Jiaoping Zhang

ETDS 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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Evaluation of Spring Wheat Genotypes for Nutritional and Bread-making Quality, David Karki

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Mapping of Qtls Associated with Domestication-Related Traits Differentiated Between Wild (Glycine soja ) and Cultivated (G. max) Soybeans, Stacy Lindblom-Dries

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Ecological Genetics/ Genomics of Weedy Rice, Muhamad Shakirin Mispan

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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

ETDS from 2012

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Detection of Reproducing Populations of Coccinella novemnotata Herbst within an Assemblage of Coccinellid Species (Coleoptera: Coccinellidae) in Western South Dakota and Western Nebraska, Pamela Bartlett

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Identification of Soybean Aphid Resistance in Early Maturing Genotypes of Soybean, Siddhi Jeewan Bhusal

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

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An Inventory of Native Bees (Hymenoptera: Apiformes) in the Black Hills of South Dakota and Wyoming, David J. Drones

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

ETDS from 2002

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Breaking Seed Dormancy in Three Poaceae Species, Heidi Jo Larson

ETDS from 2001

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Measures of Denitrification in Selected South Dakota Semi-permanent Prairie Pothole Wetlands, Beverly S. Klein

ETDS from 1997

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A Taxonomic Revision of the Genus Aeolus Eschscholtz of North America, North of Mexico (Coleoptera: Elateridae, Xinjie Lie

ETDS from 1988

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Incidence of Fusarium Wilt of Flax Influenced by Biotic and Abiotic Factors, Aly Abd El-Hady Aly

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Control of Yellow Foxtail Postharvest in Small Grain, Reed Eugene Froseth

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Forage Potential of Seasonal Wetlands, Daniel Edward Hubbard

ETDS from 1987

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Effect of Residue and Tillage on Hard Red Spring Wheat Cultivars, Elaine M. Hall

ETDS from 1986

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Effects of Prairie Dogs on Mound Soils, Daniel C. Carlson

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Response of South Dakota Adapted Sorghum Cultivars to Maize Dwarf Mosaic Virus Strains A and B, Chang Won Choi

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The Effects of Erosion and Desurfacing on Soil Properties and Productivity of a Typic Haplustoll, Hero T. M. Gollany

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Postmergence Grass Control in Soybean Using Diclofop-methyl, Difenopenten and Sethoxydim, Jim Klauzer

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Differential Responses of Oat Varieties to 2, 4-D Amine and MCPA Amine, James William Lammers. Lammers

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Effects of EPTC and Acifluorfen on Sunflower, Mark E. Law

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Seal Development and Infiltration as Affected by Rainfall Kinetic Energy, Deah Abed Mahamad

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Environmental Influences on Root Morphology and Development of Desi and Kabuli Chickpea (Cicer arietinum L.), Gasenone Seja Ma Maphanyane

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Impact of European Corn Borer on Grain and Silage Corn in South Dakota, Brian R. Mueller

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Disease Progress and Yield Loss Regressions for Several Spring Wheat Cultivars Infected with Fusarium graminearum at Various Times After Anthesis, Marvin D. Yahnke

ETDS from 1985

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Determination of the Spatial Relationship of Available Phosphorus for Seven Sites in South Dakota, Roger Jacob Assmus

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Historical Cropping Practices in Eastern South Dakota and their Effect on Sediment and Nutrient Transport, Paul Edward Gaspar

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Factors Influencing Stored Oat Insect Populations in Eastern South Dakota, Jack Adrian Ingemansen

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Effects of Mechanical Scarification on Germination and Emergence of Switchgrass, Nancy Kay Jensen

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Effects of Irrigation Scheduling on Spring Wheat Cultivars, Donald John Lee

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Freezing Resistance in Corn (Zea Mays L.), Richard Lee Luhman

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Effects of Erosion on the Productivity of Two Ustolls, Christopher F. Miller

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Root Rating : Corn Yield Interactions, Kenneth G. Miller

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Factors Affecting Chlorsulfuron Injury to Rotational Crops, Mark A. Peterson

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A Comparison of Four Phosphorus Placement Methods in Eastern South Dakota, Dale R. Sorenson

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Inheritance of Seed Yield, Its Components and Harvest Index in Flax (Linum usitatissimum) Crosses, Nigatu Tadesse

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Effect of Ethephon on Yield Components and Morphology of Irrigated Spring Wheat, Brian C. Winberg

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Ultrastructure of American Licorice (Glycyrrhiza lepidota pursh) Leaf Cells and an Associated Rust Pathogen (Uromyces Glycyrrhizae (rab.) Magn.), Richard Wynia

ETDS from 1984

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Control of Broadleaf Weeds in Sunflowers with Desmedipham and Phenmedipham, Monte D. Anderson

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Biological and Chemical Analysis of Echinacea pallida (Nutt.) Nutt. with Emphasis on the Insecticidal Component, Gregory A. Bame

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Cation Exchange Capacity Predictions, Margaret Michele (Peg) Becker

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Grazing Potential of Major Soils within the Black Hills of South Dakota, Daryle L. Bennett

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The Efficiency of Four Selection Schemes for Improvement of Cold Tolerance and Disease Resistance in Maize, Andrew Rocholl Bettendorf

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Effects of Tillage and Cropping Systems on Spring and Winter Wheat Production in South Dakota, Brad Gale Farber

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Forage Production and Utilization Systems for Cow-calf Beef Production, Muftah M. Imsalem

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Inheritance of Plant Height and Other Agronomic Traits in Nine Crosses of Sunflower (Helianthus annuus L.), Saif Ur Rehman Khan

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Inheritance of Resistance in Corn to Leaf Freckles and Wilt incited by Corynebacterium nebraskense, Edward N. Ngong-Nassah

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Reduced Tillage Effects on Weed Control, Soil Properties, and Dominant Weed Species in Southeastern South Dakota, Mark A. Wrucke

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Host-plant Interactions of Diabrotica cristata (Coleoptera: Chrysomelidae) and Prairie Grasses in East-Central South Dakota, Niamoye D. Yaro

ETDS from 1983

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Influence of Cultural Practices on the Sunflower Seed Weevil in South Dakota, Joe V. Gednalske

ETDS from 1982

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Effect of Ammonia on Post-diapause Western Corn Rootworm Eggs and Larvae, Karen Cameron

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Cutworm moths (Noctuidae : Noctuinae) of South Dakota, Gerald M. Fauske

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Response of Five Corn Inbred Lines to Line Source Irrigation, Terry J. Foley

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The Effect of Nitrogen Fertilization on Grain Protein Content and Yield of Spring Wheat in South Dakota, Syed Dara Tazul Islam

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The Response of the Face Fly (Musca automnalis) to Seasonal Changes in Manure Quality, Timothy James Lysyk

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Nitrogen Fertility Requirements, Dry Matter Production and Nutrient Uptake of the Sunflower, Robert Andrew Narem

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Genesis and Classification of Aquic Calciustoll Soils on the Cary Ground Moraine in Eastern South Dakota, Robert D. Nielsen

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Genetics of Resistance to Hessian Fly Derived from Dawn Winter Wheat in Spring Wheat Crosses, Debra Kay Steiger

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Bionomics of the Northern Corn Rootworm on First Year Corn in Eastern South Dakota, Paul M. Vassalotti

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Photoinduction of Floral Development in Hard Red Winter Wheat, Jose Ernesto Robles WiJangco

ETDS from 1981

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A Search for Atrazine Resistance in Wheat, Jay A. Holmdal

ETDS from 1980

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Stand Densities of Interseeded Alfalfa During the Initial Years of Establishment and the Effect of Applied Nitrogen and Phosphorous on Five Selected Grasses, Levi Mudogo Akundabweni