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Genetic studies with Russian wheat aphid (Diuraphis noxia Mordvilko) in PI 294994 bread wheat (Triticum aestivum L.)

Creator:: Elsiddig, Ahmed A.
Abstract:: Russian wheat aphid (RWA), Diuraphis noxia (Mordvilko), is a widely distributed species in western north America, and a major economic pest of wheat (Triticum aestivum L.) and barley (Hordeum vulgare L.). The objectives of this study were to : 1) determine the inheritance of seedling and adult plant resistances in...
Resource Type:: Masters Thesis
Full Text:: , Ralph E. Berry and Adams W. Thomas for serving on my graduate committee. Special thanks are extended

Statistical properties of estimators of genetic correlation

Creator:: Liu, Ben-Hui
Resource Type:: Dissertation
Full Text:: , Drs. Thomas W. Adams, David Birkes, Peter J. Bottomley, and Patrick M. Hayes for their time and

Variation in adaptive traits of coastal Douglas-fir : genetic and environmental components

Creator:: Balduman, Lisa M.
Abstract:: Cold hardiness and phenology are important adaptive traits for perennial plant species in temperate climates. Timing of growth, dormancy, and associated cold acclimation and deacclimation represents a delicate balance between maximizing growth under favorable conditions and minimizing frost damage under unfavorable conditions. Geographic patterns of genetic variation in adaptive traits,...
Resource Type:: Masters Thesis

Selecting donor inbred lines for enhancing the performance of single-cross hybrids from key heterotic groups of oilseed sunflower (Helianthus annuus L.)

Creator:: Cheres, Mercy Tuiya
Resource Type:: Dissertation
Full Text:: Thielges, Patrick M. Hayes, Charles D. Boyer, W. Thomas Adams, and Fred Ramsey for serving in my graduate

Dynamics and control of continuous crystallizers

Creator:: Leu, Lii-ping
Abstract:: The theoretical analysis of an unseeded, isothermal mixed-suspension mixed-product-removal (MSMPR) crystallizer with a fines trap is developed. The lumped parameter system equations are presented for a homogeneous nucleation and a number-dependent secondary-nucleation model. Linear stability analysis and system simulations are used to investigate the system's dynamic behavior. Modal control algorithms...
Resource Type:: Dissertation
Full Text:: thankful to the members of graduate committee, Dr. W. Bublitz, Dr. R. Adams, and Dr. R. Davis for their

Development of oven and Karl Fischer techniques for moisture testing of grass seeds

Creator:: Benjamin, Ethan
Abstract:: Seed moisture is a primary factor influencing seed quality during harvesting, storage, and marketing of grass seed. However, the Association of Official Seed Analysts' Rules for Testing Seeds do not contain methods for moisture testing. The oven methods in use by seed testing laboratories in the U.S. are diverse and...
Resource Type:: Masters Thesis
Full Text:: during the past two years. I am grateful to Dr. Arnold P. Appleby, Dr. Thomas C. Moore and Mr. Thomas W

Analysis of hydrology and erosion in small, paired watersheds in a juniper-sagebrush area of central Oregon

Creator:: Fisher, Michael, (Michael Patrick), 1966-
Abstract:: Current research indicates that the expansion of western juniper can inhibit soil water retention, storage and prolonged releases from watersheds. This phenomenon is of great importance in eastern Oregon, as western juniper is encroaching into sagebrush/grass communities with a correlated reduction in herbaceous ground cover, resulting in reduced infiltration rates...
Resource Type:: Dissertation

An evaluation of alternative estimates of demand for and benefits from Oregon salmon sport fishing

Creator:: Hsiao, Ching-kai
Abstract:: The main objective of this study was to estimate the demand for and net economic benefits from Oregon salmon sport fishing. The travel cost method was used as the primary technique for demand analysis. Several empirical estimates of consumer surplus per trip and per fish were obtained from different estimation...
Resource Type:: Dissertation
Full Text:: curve H (U ) an equivalent variation in income will be p dfp22 0 1 (area x + z + w) which is the amount

β-lactoglubin adsorption equilibrium and kinetics at silanized silica surfaces

Creator:: Krisdhasima, Viwat
Abstract:: The adsorption equilibrium and kinetic behavior exhibited by β-lactoglobulin at silanized silicon surfaces of varying hydrophobicity were examined using ellipsometry. Adsorption equilibrium results were used to construct adsorption isotherms; the adsorbed mass of β-lactoglobulin was observed to increase with increasing surface hydrophobicity, within a defined range of hydrophobicity. Adsorption kinetics...
Resource Type:: Dissertation
Full Text:: Conformational change rate constant, min-' t Time, min W, Work of adhesion, mJ/m2 W,P Polar or non-dispersive

New configurations of bandpass filters in single and multilayer environment

Creator:: Gururajan, Kala
Abstract:: Mobile and telecommunication industry has experienced tremendous growth in the recent past. Miniaturization and increased functionality have become necessary for all passive components in the system. Bandpass filters are critical passive components in any communication system and the existing designs in the crucial 1-10 GHz bandwidth suffer many drawbacks. For...
Resource Type:: Masters Thesis
Full Text:: my heartfelt appreciation to my other committee members Dr. Thomas K. Plant and Dr. Joseph W. Nibler

ScholarsArchive@OSU

Genetic studies with Russian wheat aphid (Diuraphis noxia Mordvilko) in PI 294994 bread wheat (Triticum aestivum L.)

Statistical properties of estimators of genetic correlation

Variation in adaptive traits of coastal Douglas-fir : genetic and environmental components

Selecting donor inbred lines for enhancing the performance of single-cross hybrids from key heterotic groups of oilseed sunflower (Helianthus annuus L.)

Dynamics and control of continuous crystallizers

Development of oven and Karl Fischer techniques for moisture testing of grass seeds

Analysis of hydrology and erosion in small, paired watersheds in a juniper-sagebrush area of central Oregon

An evaluation of alternative estimates of demand for and benefits from Oregon salmon sport fishing

β-lactoglubin adsorption equilibrium and kinetics at silanized silica surfaces

New configurations of bandpass filters in single and multilayer environment

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