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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

The Application of Linear Programming for Forest Land Use and Timber Management Planning with Watershed Considerations in Terengganu, Peninsular Malaysia

Creator:: Mat Isa, Ahmad Zainal
Abstract:: The purpose of this paper is to illustrate the use of Linear Programming (LP) and other mathematical procedures to evaluate watershed and perpetuity constraints on forest land use for a selected scenario in Terengganu, Peninsular Malaysia. The paper describes the system of modelling and forecasting estimates of potential timber growth,...
Resource Type:: Capstone Project

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

Effect of waterborne preservative treatments on allowable stress design values

Creator:: Winandy, Jerrold E.
Resource Type:: Dissertation
Full Text:: acknowledge my Project Leaders, B. Alan Bendtsen and David W. Green. You gave me the chance to pursue a dream

The short term temporal and spatial variability of nitrogen and phosphorus in two Oregon Coast Range streams

Creator:: Scherer, Robert A.
Abstract:: High intensity sampling was undertaken to characterize the temporal and spatial variability of oxidized nitrogen (NO3-N + NO2-N), ammonia-nitrogen (NH3-N), total dissolved phosphorus, total unfiltered phosphorus and orthophosphorus (PO4-P) from two adjacent small streams in Western Oregon's Coast Range, Deer Creek (303 ha) and Flynn Creek (203 ha). Deer Creek...
Resource Type:: Masters Thesis

Estimates of genetic variability resulting from single, top, and double cross populations in durum wheat (Triticum turgidum L. var. durum)

Creator:: Abdennadher, Mourad
Abstract:: The success of a plant breeding program depends upon the availability of useable genetic diversity. Such diversity may be enhanced depending on the type of hybridization strategy employed. Segregating progenies resulting from F2 populations, a double cross, and a top cross were compared for the amount of useable genetic diversity...
Resource Type:: Masters Thesis
Full Text:: . Dale W. Weber for serving in my graduate committee and their constructive criticism during the

Conditioning bunchgrass on elk winter range

Creator:: Westenskow, Kathy Jo
Abstract:: Research was conducted near the Starkey Experimental Forest and Range in northeastern Oregon. Effects of defoliating bluebunch wheatgrass (Agropyron spicatum (Pursh) Scribn. and Smith) to increase the quality of regrowth available on elk (Cervus elaphus nelsoni) winter range were studied from 1988 through 1990. Clipping treatments were implemented to condition...
Resource Type:: Masters Thesis
Full Text:: winter defoliated samples (April (W)) were comparable in forage quality and available forage in April

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.)

The Application of Linear Programming for Forest Land Use and Timber Management Planning with Watershed Considerations in Terengganu, Peninsular Malaysia

β-lactoglubin adsorption equilibrium and kinetics at silanized silica surfaces

Effect of waterborne preservative treatments on allowable stress design values

The short term temporal and spatial variability of nitrogen and phosphorus in two Oregon Coast Range streams

Estimates of genetic variability resulting from single, top, and double cross populations in durum wheat (Triticum turgidum L. var. durum)

Conditioning bunchgrass on elk winter range

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