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 1974
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
The Production and Behavior of Callus Tissue from Sorghum Vulgare, Vance J. Masteller
A Study of the Relationship Between Ceratocystis Ulmi and Elm Callus In Vitro, Charles R. McMullen
A Study of Some Physical and Chemical Properties of Hard Red Spring and Hard Red Winter Wheat in South Dakota, Richard A. Pence
Some Field and Laboratory Observations on Morchella, Reed Sanderson
Tylenchorhynchus Nudus and Other Nematodes Associated with Turf in South Dakota, James D. Smolik
Agaricus Campestris and Sporocarp Initiation, Stephen J. Wallner
ETDS from 1968
Effects of Photoperiods and Temperatures Upon Early Growth of Tall Fescue & Ladino Clover at Various Lengths of Growing Period, Chavalit Chalothorn
Genetic Localization of Chlorophyll Mutant Genes in Barley, Sheria Chaio Chaio-Tong Chang
Some Factors Influencing Fungicide Control of Leaf Rust and Stem Rust of Wheat, Gilbert Eugene Cook
Drought Resistance of Ponderosa Pine and Eastern Redcedar on central South Dakota Soils, Gerald L. Jensen
Some Factors Influencing Rates of Parasitism of the Wheat Stem Maggot in South Dakota, Wendell Lee Morrill
A Three Year Soil Insecticide Control Study on Corn Rootworms (Coleoptera: Chrysomelidae) in South Dakota, Lance J. Nearman
Tissue Culture of Carrot Leaf on Three Media Using the Growth Regulator Tordon, John O'Connell
The Influence of Zinc and Tryptophan on Polysome Stability and Growth Response of Corn Seedlings, Anthony Unusa Salami
Responses of Tall and Semi-dwarf Spring Wheats to Levels of Nitrogen and Moisture Supply, Vanrat Sompaew
The Reaction of Inbred, Single, Three-way and Four-way Hybrid Corns to Wheat Streak Mosaic Virus and Kernel Red Streak, Josetino B. Tunac
ETDS from 1967
The Competitive Effects of Wild Buckwheat (Polygonum convolvulus L.) on Spring Wheat (Triticum vulgare L.), James Darrell Arnold
The Relationship Between Phosphorus and Zinc in Corn Plants, Edward J. Deibert
The Relationship Between Forms of Soil Phosphorus and Uptake of Phosphorus by Barley, Timothy Okunola Fadayomi
Mist Irrigation for the Improvement of the Climate for Cool Season Crops, Jerry Lee Spears
The Effect of 2,3,5-triiodobenzoic Acid on Flax, Richard J. Vetter
Sudangrass Studies: Yield, HCN Value, Nitrate Content, and Grazing Systems, Don T. Winch
Yield Components of Spring Oats as Affected by Seeding Rate and Fertility Level, Robert Yung-Yen Yeh
Effect of Environment on Seed Germination and Early Seedling Development of Cirsium arvense (L.) Scop., Samuel Zilke
ETDS from 1966
Cytogenetics, Breeding Behavior and Tumor Formation in Progeny of a Homozygous Triploid Sorgham, Peck Sun Lin
A Study of the Opportunities for South Dakota Growers to Produce and Market Horticulture Crops, Dean Martin
The Correlation of Soil Tests with Yield Response and Uptake of Phosphorus by Barley, Anthony Unusa Salami