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.
ETDS from 1977
Investigation of Nitrogen and Utilization and Efficiency in 17 Corn Inbred Lines, Michael A. Koopman
The Investigation of Several Species of Bacillus to Determine their Potential as Biocontrol Organisms on Wheat, Venance H. Lengkeek
Soil Salinity and Water Movement Through Soils as a Consequence of Manure Applications, Ronald R. Schnabel
Ecological Changes on Pine-Grassland Burned in Spring, Late Spring, and Winter, Janet Ruth Schripsema
ETDS from 1976
The Agronomic Effects of Difenzoquat on Spring Wheat as Affected by Stage of Growth and Variety, Randal Lee Anderson
Topical LD50 Determinations for Several Insecticides on Field Collected Larval and Adult Western Corn Rootworms, Leland L. Barthelman
Investigation on Several Aspects of the Epidemiology and Control of Yellow Leaf Spot on Wheat, Fred L. Bode
Corn Desiccation as a Means of Reducing Drying Cost, Steven Earl De Hoogh
The Effect of Rate and Source of Nitrogen and Cutting System on Bromegrass, Ron Henry Gelderman
The Vascular Flora of Ordway Prairie McPherson County, South Dakota, Barry L. Hertz
The Influence of Corn Removal Date on Corn Rootworm Oviposition, Resultant Larval Populations and Damage, Michael F. Holm
The Effect of Various Root Characteristics on Root-pulling Resistance of 44 Inbred Lines of Corn, John R. Jenison
Incidence of Alfalfa Mosaic Virus Infected Plants in Fourteen Alfalfa Cultivars, Venkatrao Korapaty
Investigation on Several Aspects of the Epidemiology and Control of Wheat Scab, Dale E. Miller
Dormancy in the Seed of Western Wheatgrass (Agropyron smithii, Rydb.), Quentin E. Schultz
Factors Affecting Control of Downy Brome in Winter Wheat with PPG 135, Jeff Tichota
Purine-Thiamine Anabolism During Cellular Morphogenesis in Myxococcus Xanthus, Wen-Cherng Tsai
ETDS from 1975
Reliability of Laboratory Germination and Tetrazolium Tests in Predicting Soil Emergence of Five Grasses Native to South Dakota, William H. Bohl
Soil Salinity, Sodium Levels, and Corn Production as Affected by Rates of Applied Beef Wastes, James L. Halbeisen
The Influence of Soils and Vegetation on LANDSAT Spectral Signatures, Gary Dean Lemme
Cytopathology of Barley and Corn Leaf Tissue Infected With the ND18 Strain of Barley Stripe Mosaic Virus, Charles R. McMullen
A Comparative Study of Ribonuclease From Two Winter Barley Cultivars Based Upon Separation, Purification and Partial Characterization of RNA-Degrading Enzymes, Raymond Sze-Chung Wong
ETDS from 1974
Corixidae (Water Boatmen) Abundance and Contribution to Littoral Zone Fish Forage in Lake Poinsett, South Dakota, Richard Lee Applegate
Volatility, Drift and Phytotoxicity of Dicamba to Corn When Applied with Additives, Bart A. Brinkman
The Abundance and Seasonal Distribution of Tabanidae (diptera) in Spink County, South Dakota, with a Study of Geographic Variation in Chrysops Aestuans Wulp, Philippe Earl Cobb
Color and Light Intensity Preferences of Four Species of Alate Cereal Aphids, Donald A. Dickmann
Improving Water Use Efficiency of Smooth Bromegrass by Selecting for Regrowth, Delmer F. Gross
The Effect of Simulated Hail Damage on Oats, David Gaylord Hanson
The Application of ERTS-1 Multispectral Imagery for Crop Resource Evaluation and Inventory, James Lester Heilman
Influence of Growth Stage, Stubble Height, and Cutting Frequency on the Carbohydrate Reserves and Yield of Switchgrass, Richard A. Lockert
Biological Control of Musk Thistle, Carduus Nutans, in South Dakota, Dennis Morihara
The Effect of Subsurface Layered Trifluralin and Dicamba on Field Bindweed, Winter Wheat, and Corn, William Ben O'Neal
Quantitative Gene Action and Interrelationships of Protein Content With Some Metrical Traits of Oats, Harbans Singh Sraon
ETDS from 1973
Reflectance Measurements for the Detection and Mapping of soil Limitations, Lawrence A. Benson
Evaluation of Methods of Reducing Seed Dormancy in Switchgrass, Indiangrass, and Big Bluestem, Keith L. Byers
Biology and Ecology of False Wireworms in South Dakota (Coleoptera: Tenebrionidae), Carrol Otto Calkins
Inheritance of Protein Content and Rust Resistance and Their Associations with Selected Agronomic Traits in Wheat Crosses Involving SD69103 (Hand, CI15921), a Hard Red Winter Wheat, Craig Richard Cowley
Pathogenicity, Synergism, and Control of Xanthomonas Translucens and Septoria Avenae f. sp. Triticea on Spring Wheat in South Dakota, Bruce Lloyd Davidson
Physiological Maturity of Grain Sorghum in South Dakota, Leroy E. Johnke
A Survey of the Insect Fauna of Canada Thistle, Cirsium Arvense, in South Dakota; and Studies Relating to Biological Control by Ceutorhynchus Litura and Cassida Rubiginose, Lance Jerome Nearman
The Vascular Vegetation of Northeastern Day County in South Dakota, R. Evelyn Roberts
Growth, Development, and Plant Temperature Characteristics of Oats Under Water Stress, Bikkar S. Sandhu
Biology of the Flea Beetle, Altica Carduorum Guer. (Coleoptera: Chrysomelidae) on Canada Thistle, Cirsium Arvense (L.) Scop., in South Dakota, Burton Danis Schaber
Solodized Solonetz Soil Core Model Studies of Reclamation, Dennis G. Shannon
The Role of Nematodes in a South Dakota Grassland Ecosystem, James D. Smolik
A Study of Energy and Water Transfer in Irrigated and Nonirrigated Sorghum, Loyd Raymond Stone
In Vitro Digestibility of Diallel and Polycross Progenies of Intermediate Wheatgrass, Ronald Theodore Thaden
ETDS from 1972
Bionomics of Mallophaga of Sharp-Tailed Grouse in South Dakota, Major L. Boddicker
Ecological Succession Along Missouri River Reservoirs as it Relates to Development of Forest Environment for Recreational Use, Howard G. Cady
Grain Sorghum Canopy Temperature as a Function of Meteorological Conditions, Charles Gregg Carlson
The Effects of Identified Student Characteristics on Their Understanding of Science, Patricia Mutch Cheeseman
The Biology of Geomylichus Gaomydis n. sp. (Acari: Listrophoridae) From the Plains Pocket Gopher, Geomys b. Bursarius (SHAW), Charles Campbell Coffman
Effect of Planting Method and Seeding Rate on the Establishment of Alfalfa Under Dryland and Irrigation, Lloyd H. Hansen
Recognizability and Reproducibility of Airphoto Interpreted Landscape Units, Robert Dean Heil
Physiological Regulation of Cyclic Flowering in Flax, Aurora Salazar Hovland
Evidence for the Presence of Two Nucleases in Barley Tissue and the Influence of Genotype on Their Properties, Clay G. Johnson
An Expression of Hybrid Vigor and a Characterization of Callus Tissue of Zea mays L., Judy Winkler Johnson
Estimation of Plant S and ZN Concentration by Soil Test Correlation, Douglas Darrel Koth
Taxonomy of the Agropyron Intermedium and Agropyron Trichophorum Complex, Emmanuel Kidane Mariam
Developmental Analyses of Biochemical Fuel Cells, Roderick James McNeil
Nitrate Movement in Freezing or Frozen Soils, Donald G. Moore
Soybean Row Spacings, Plant Populations and Yield Components, Erol Oral
Tolerance Studies to Wheat Streak Mosaic Virus in Winter and Spring Wheats, Fazal Rahman
The Effect of Allopurinol (4-Hydroxypyrazolo(3,4-d) Pyrimidine) on Uric Acrid Metabolism in Differential Grasshoppers (Melanoplus Differentialis) and Armyworms (Pseudoletia Unipuncta), Henry C. Schroeder, Jr.
Germination and Vegetative Propagation of Native Prairie Forbs, James T. Sorensen
Vegetative Propagation of Green Ash by Softwood Cuttings, Wesley Alvin Urdahl
Estimation of N Availability and NO3-N Movement in Soils, Raymond Charles Ward
Intermediate Wheatgrass Seed Production Responses to Fertilizers and Cultural Practices, James Bernard Weber
A Cytogenetical Study of a Hexaploid Agrotricum Immune from Wheat Streak Mosaic Virus, Raymond Sze-Chung Wong
ETDS from 1971
An Evaluation by Winter Wheat of Phosphorus Carriers and the Effect of Different Carriers on Three Phosphorus Availability Indices, Charles C. Biggar
Effects of Applied Nitrogen and Phosphorus on Native Grasslands in the Northern Great Plains, Gregory Kirk Grenz
Irregation Automation: A Systems Approach, Earl B. Hoekman
Bionomics to Two Greenbug Biotypes in Response to Low Temperatures on Winter Wheat, John E. Kvenberg
Embryogeny in Haemmanthus Albiflos Jacquin, Ping-Fai David Lo
Field Population and Flight Activity of Three Hippodamia Species in Eastern South Dakota, Gene Allen Olson
An Evaluation of Variation in Soil Test Results Caused by Sampling Methods and Individual Samplers, Terensio Kokorom Opio
Plant Analysis of Spring Small Grains at Different Stages of Growth, James Henry Pfeifer
Herbicide Residue and Weed Control in Switchgrass, Charles Nicholas Smith Jr.
The Wooded Soils of Southeast South Dakota : Their Morphology and Genesis, Ronald A. Torkelson
Test of Various Insecticides as Systemics in Wheat Upon the Army Cutworm, Lavarre Delancy Uhlken
Horizontal Resistance to Leaf Rust in Spring Wheat, Mayo E. Wetterberg Jr.
A Two Year Study of Potential Resistance in the Adult Western Corn Rootworm in South Dakota, John M. Wirtz
The Influence of Various Stress Conditions on Cholinesterase Levels of Cattle Treated with an Organophosphorus Insecticide, Mitchell J. Wrich
ETDS from 1970
Differential Reaction of Larvae of the Western Corn Rootworm to Certain Species of Gramineae, Terry Fred Branson
A Chromosome Study of Chlorophytum Elatum, Dennis E. Driscoll
Root Pulls and Root Ratings as an Analysis of Insecticide Performance in the Control of Corn Rootworms (Coleoptera: Chrysomelidae), James I. Jessen
A Differential pH Requirement for Extraction of Stable Polyribosomes from Winter Barley in Relation to RNase Activity of the Tissue, Clay G. Johnson
The Effect of 2,4-D and Atrazine on the Growth Rate of a Mixed Algae Culture, John P. King
Light and Color Responses of Apterous Cereal Aphids, Eugene Leslie Miller
Enhancement of Foliar Penetration and Herbicide Activity by Oils, James F. Peacock
The Effects of 2-Chloroethylphosphonic Acid on Bud The Effects of 2-Chloroethylphosphonic Acid on Bud Vascularization in Sorghum Halapense, L.ascularization in Sorghum Halapense, L., Robert Allen Peterson
Soluble Proteins and Lipoproteins of Legumes in Relation to Bloat, Loren M. Rommann
Factors Influencing Asexual Spore Formation by Ceratocystis ULMI, Richard J. Roster
A Study of Protein Content and its Relationships to Other Phenotypic Characters in Iterspecific Oat Crosses, Leroy A. Spilde
Effect of Atrazine and its Carriers on the Grain Sorghum Plant, Clair E. Stymiest
Interseeding as a Grassland improvement Practice in Central South Dakota, Roger P. Wickstrom
ETDS from 1969
Breeding for Resistance to Wheat Streak Mosaic Virus, Charles Lee Lay