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 1986
Atrazine and Cyanazine Interception and Retention on Crop Residue, Mark A. Wrucke
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
Comparison of Two Phosphorus Tests on Calcareous Soils of Eastern South Dakota, Mohamed Ali
Determination of the Spatial Relationship of Available Phosphorus for Seven Sites in South Dakota, Roger Jacob Assmus
Historical Cropping Practices in Eastern South Dakota and their Effect on Sediment and Nutrient Transport, Paul Edward Gaspar
Studies on Perennial Weed Control in South Dakota, Steven Robert Gylling
An Ecological Study of the Vegetation of the Grand River/Cedar River, Sioux, and Ashland Districts of the Custer National Forest, Paul Luther Hansen
Response of Five Spring Wheat Cultivars to Drought, Gregory Keith Hess
The Effects of Nitrogen and Tillage on Denitrification Rates and the Yield of Corn, Oats, and Soybeans in Eastern South Dakota, Brian Robert Hilton
Factors Influencing Stored Oat Insect Populations in Eastern South Dakota, Jack Adrian Ingemansen
Effects of Mechanical Scarification on Germination and Emergence of Switchgrass, Nancy Kay Jensen
Effects of Irrigation Scheduling on Spring Wheat Cultivars, Donald John Lee
Freezing Resistance in Corn (Zea Mays L.), Richard Lee Luhman
Effects of Erosion on the Productivity of Two Ustolls, Christopher F. Miller
Root Rating : Corn Yield Interactions, Kenneth G. Miller
Factors Affecting Chlorsulfuron Injury to Rotational Crops, Mark A. Peterson
A Comparison of Four Phosphorus Placement Methods in Eastern South Dakota, Dale R. Sorenson
Inheritance of Seed Yield, Its Components and Harvest Index in Flax (Linum usitatissimum) Crosses, Nigatu Tadesse
Effect of Ethephon on Yield Components and Morphology of Irrigated Spring Wheat, Brian C. Winberg
ETDS from 1984
Factors Affecting Biological Control of Pythium Ultimum on Alfalfa using Seed Treatment with Gliocladium Virens, Trichoderma Harzianum and T. Hamatum, Dawelbeit A. Abdelwahab
Forage potential of some annual Native Trifolium Species in the Ethiopian Highlands, Levi Mudogog Shadeya Akundabweni
Control of Broadleaf Weeds in Sunflowers with Desmedipham and Phenmedipham, Monte D. Anderson
Biological and Chemical Analysis of Echinacea pallida (Nutt.) Nutt. with Emphasis on the Insecticidal Component, Gregory A. Bame
Cation Exchange Capacity Predictions, Margaret Michele (Peg) Becker
Grazing Potential of Major Soils within the Black Hills of South Dakota, Daryle L. Bennett
The Efficiency of Four Selection Schemes for Improvement of Cold Tolerance and Disease Resistance in Maize, Andrew Rocholl Bettendorf
Effects of Tillage and Cropping Systems on Spring and Winter Wheat Production in South Dakota, Brad Gale Farber
Forage Production and Utilization Systems for Cow-calf Beef Production, Muftah M. Imsalem
Inheritance of Plant Height and Other Agronomic Traits in Nine Crosses of Sunflower (Helianthus annuus L.), Saif Ur Rehman Khan
Inheritance of Resistance in Corn to Leaf Freckles and Wilt incited by Corynebacterium nebraskense, Edward N. Ngong-Nassah
Ultrastructure of Wheat (Triticum aestivum) Leaf Cells Infected with Leaf Rust (Puccinia recondita), and Wheat Streak Mosaic Virus, Saleh H. Shrief
Genetic Variation in Chickpea (Cicer arietinum L.) : Enzyme Marker Loci and Quantitative Traits, Solomon Tuwafe
Reduced Tillage Effects on Weed Control, Soil Properties, and Dominant Weed Species in Southeastern South Dakota, Mark A. Wrucke
Host-plant Interactions of Diabrotica cristata (Coleoptera: Chrysomelidae) and Prairie Grasses in East-Central South Dakota, Niamoye D. Yaro
ETDS from 1983
Effects and Interactions of Nitrogen and Soil Moisture Status Under a High Yield Irrigated Corn Environment, Dwayne L. Beck
Host Range, Pathogenicity and Effects of Soil Temperature on a Botswana Isolate of Meloidogyne Incognita, Baone Cynthia Busang
Influence of Cultural Practices on the Sunflower Seed Weevil in South Dakota, Joe V. Gednalske
Effects of Seed Weight on Seedling Establishment, Forage Yield, and Seed Production Characteristics of Switchgrass (Panicum virgatum L.), Paul O. Johnson
Soil Detection using Panchromatic and Infrared Films, Bruce O. Kunze
A Comparison of Herbicides for Postemergence Grass Control in Soybeans, Brian C. Laube
Soybean Root Growth and Water Uptake, V. Rasiah
The Sunflower Moth and its Impact on Cultivated Sunflowers in Eastern South Dakota, Tom A. Royer
Fluorescence in Oats and its Value as a Varietal Purity Indicator, John Van de Crommert
ETDS from 1982
The Occurrence and Effects of Entomophaga grylli on Grasshopper Populations in South Dakota, Roger Allen Bohls
Effect of Ammonia on Post-diapause Western Corn Rootworm Eggs and Larvae, Karen Cameron
Cutworm moths (Noctuidae : Noctuinae) of South Dakota, Gerald M. Fauske
Response of Five Corn Inbred Lines to Line Source Irrigation, Terry J. Foley
Evaluation of Pasture Systems and Grain Levels for Growing Beef Cattle with Prediction Equations for Estimating Animal Performance, Steven C. Fransen
The Effect of Nitrogen Fertilization on Grain Protein Content and Yield of Spring Wheat in South Dakota, Syed Dara Tazul Islam
The Response of the Face Fly (Musca automnalis) to Seasonal Changes in Manure Quality, Timothy James Lysyk
Nitrogen Fertility Requirements, Dry Matter Production and Nutrient Uptake of the Sunflower, Robert Andrew Narem
Genesis and Classification of Aquic Calciustoll Soils on the Cary Ground Moraine in Eastern South Dakota, Robert D. Nielsen
Genetics of Resistance to Hessian Fly Derived from Dawn Winter Wheat in Spring Wheat Crosses, Debra Kay Steiger
Bionomics of the Northern Corn Rootworm on First Year Corn in Eastern South Dakota, Paul M. Vassalotti
Photoinduction of Floral Development in Hard Red Winter Wheat, Jose Ernesto Robles WiJangco
ETDS from 1981
A Search for Atrazine Resistance in Wheat, Jay A. Holmdal
ETDS from 1980
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
Soil Microfungal Relationships Associated With Grassland Reestablishment, Dennis C. Clarke
Variability of Factors Influencing Stand Establishment in Green Needlegrass Populations from Western South Dakota, Terril J. Heilman
Flowering and Podding Response of Soybeans (Glycine max) to Irrigation, John Douglas McLeod
A Plant Growth Study of 18 Flax (Linum usitatissimum, L.) Genotypes, Mick Sikaenyi Mwala
ETDS from 1979
The Role of Allelopathy on the Vegetational Composition of Disturbed Sites on the Samuel H. Ordway Memorial Prairie, Randy C. Bartels
Determination of RNase Phenotype in Winter Barley Populations, Thomas Keith Blake
Variability and Breeding Behavior in Big Bluestem Populations from Eastern South Dakota, Arvid A. Boe
Comparative Studies of Two Flax (Linum usitatissimum) Cultivars for Stomatal Characteristics, Adaxial Stomatal Resistance, and Osmotic Potential, Patricia Ann Franks
Tissue Culture of Forage Grasses, Ping-Fai Lo
The Relationship of Root-pulling Resistance, Tassel Size, and Silk Delay with Yield in the F1 Hybrids of 12 Corn (Zea mays L.) Inbreds, David W. Peters
Effects of Prescribed Burning at Different Fuel Moisture Levels on Vegetation and Soils of Grasslands in Wind Cave National Park, Lynda Lou Worcester
ETDS from 1978
Methods of Analysis of Yield from Antecedent Winter Water, Charles Gregg Carlson
The Effect of Foliar Fertilization on Soybean Yield and Leaf Necrosis, Robert Jay Goos
First Year Corn Damage - Northern Corn Rootworm Ovipositional Studies, Thomas W. Hedrick
Western Corn Rootworm Sex Pheromone; Field Trapping Studies, Michael J. Lockwood
The Columnar Junipers of Western North Dakota (An Investigation into the Cause of their Columnarity), James M. Murphy
Water and Nitrogen Husbandry for Irrigated Corn in Central South Dakota, Stanley Eugene Papendick
Plant Availability of Aqueous Phosphates Removed by Fly Ash, Paul D. Weeldreyer
ETDS from 1977
Dicamba Use in Relationship to Drift Injury on Soybeans in Southeastern South Dakota, Duane E. Auch
Control of Phomopsis Blight of Eastern Redcedar with Benomyl, Douglas J. Fiedler
The Relationship Between Soil Test and Small Grain Response to P Fertilization in South Dakota Field Experiments, Paul Elias Fixen
Epiphytic Movement and Survival of Pseudomonas Syringae on Spring Wheat, Sandra J. Fryda
Inheritance of Regrowth and Other Characters in Smooth Bromegrass, Geprge Lance Holborn
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