Index Catalog // ScholarsArchive@OSU

The effects of CIPC, monuron and 2,4-D herbicides on yield, crude protein and nitrate nitrogen content of four forage-crop species

Creator:: Furtick, William Ralph, 1927-
Resource Type:: Dissertation
Full Text:: SPECIES by WILLIAM RALPH FURTICK A THESIS submitted to OREGON STATE COLLEGE in partial

Genetic variations in length of active growth period among races of Douglas fir, Pseudotsuga menziesii (Mirb.) Franco

Creator:: Irgens-Moller, Helge
Resource Type:: Dissertation
Full Text:: ; to Dr. J. R. Cowan for guidance during the initial phase of the study; to Dr. W. K. Ferrell, and to

A method of breeding for resistance to fusarium and bacterial wilt in alfalfa

Creator:: Wilson, Marvin L.
Resource Type:: Dissertation
Full Text:: arpreciation to the following for their help in the preparation of this thesies Dre. J. Ritohie Cowan

Seed development and germination of monogerm sugar beets (Beta vulgaris L.) as affected by maturity

Creator:: TeKrony, Dennis M.
Abstract:: Maturation rates of monogerm sugar beet seed grown in Western Oregon were measured quantitatively to determine attainment of maximum seed development and germination. Seed was collected at various intervals after anthesis from two hybrid varieties representing the extremes in resistance (hard bolting) and susceptibility (easy bolting) to seedstalk development. The...
Resource Type:: Dissertation
Full Text:: approved: Redacted for Privacy i.,p. Ritchie Cowan Maturation rates of monogerm sugar beet seed grown in

Flowering habit, pollen characteristics, and seed germination of Phormium tenax Forster

Creator:: Puri, Yesh Pal
Resource Type:: Dissertation
Full Text:: aleo ,o to flr. Q. Neleon ror hie geations n'i advice in the con'uct of this study; to Mr. C. R

Some effects of CMU (3-para-chlorophenyl 1, 1-dimethylurea) as a preemergence herbicide on peppermint, potato and grain crops

Creator:: Renney, Arthur James
Resource Type:: Dissertation
Full Text:: Sheila Buchanan A C O W LDGMENT The author is ìndebtod to personnel of the Departnents of Farm

Variability of morphological and chemical quality characteristics in flowers of male hops, Humulus lupulus L.

Creator:: Brooks, Stanley Nelson
Resource Type:: Dissertation
Full Text:: ccnpletion of this thesis. Sincere appreciation is expressed to Dr. J. Ritchie Cowan for encouragement

Seed-head development in tall fescue as influenced by date of application of 3 Chloro IPC

Creator:: Dunn, Samuel Jefferson
Resource Type:: Dissertation

Measurement of outcrossing in Lolium spp. as determined by fluorescence tests

Creator:: Copeland, L. O. (Lawrence O.), 1936-
Abstract:: Research was conducted to determine the distance and amount of outcrossing between varieties of highly fluorescent annual ryegrass (Lolium multiflorum Lam.) and low-fluorescing perennial ryegrass (Lolium perenne L.). Studies were conducted under both spaced-plant and seed production field conditions. Fluorescence tests on seed collected from low-fluorescing perennial ryegrass at successive...
Resource Type:: Dissertation
Full Text:: Lolium Spp. as Determined by Fluorescence Tests Abstract approved: RI.tc_ie Cowan Research was

Factors influencing survival of tall fescue (Festuca arundinacea Schreb.) propagules

Creator:: Miltimore, James Earl
Resource Type:: Dissertation
Full Text:: ,tbr rrglmmtr fsr thr 0rgrm of DS,!!0A C rEufiorf,v Ju tecl IPIROtED r Ohrlmrn of Ocnctlol Dou of

The genus Ophionectria (Ascomycetes, Hypocreales)

Creator:: Rossman, Amy Y.
Abstract:: A taxonomic study of the genus Ophionectria Saccardo is presented. The genus is described and the only remaining species, the type species, Ophionectria trichospora, is described and figured. Ophionectria trichospora is compared with Nectria haematococca to define relationships between the two genera. All other species formerly placed in Ophionectria are...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy William C. lenison A taxonomic study of the genus Ophionectria Saccardo is presented

Use of livestock to improve the quality of elk winter range forage in northeastern Oregon

Creator:: Clark, Patrick Eugene
Abstract:: The effects of late spring defoliation on the winter forage quality of bluebunch wheatgrass (Agropyron spicatum [Pursh] Scribn. & Smith), Idaho fescue (Festuca idahoensis Elmer) and elk sedge (Carex geyeri Boott) and the response of wintering Rocky Mountain elk (Cervus elaphus nelsoni Bailey) to changes in winter range forage quality...
Resource Type:: Dissertation
Full Text:: Improve the Quality of Elk Winter Range Forage in Northeastern Oregon. Abstract approved: William C

William Keith Brooks (1848-1908) : a case study in morphology and the development of American biology

Creator:: Benson, Keith Rodney
Abstract:: The major historical studies that have examined American biology have emphasized the development of experimental biology at the end of the nineteenth century. In this characterization, the descriptive branch of biology has often been treated as less than important and, in several cases, as a hindrance in the application of...
Resource Type:: Dissertation
Full Text:: William Keith Brooks (1848-1908) : a case study in

The physiology of Picea grafts

Creator:: Beeson, Richard C.
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Richard C. Beeson Jr. for the

Heritabilities and associations of seed yield components and seed yield in tall fescue (Festuca arundinacea, Schreb.)

Creator:: Thomas, Johnny Ray
Abstract:: Estimates of heritability and associations of tiller number, seed number, seed weight, and seed yield were determined in two groups of tall fescue. Group E was early maturing and had eight parental clones, while group I was intermediate in maturity and had nine parental clones. The parents and five progeny...
Resource Type:: Dissertation
Full Text:: criticism of the manuscript. Appreciation is also expressed to Dr. Ralph Bogart, Dr. J. Ritchie Cowan

Genetic diversity in coastal cutthroat trout and Dolly Varden in Prince William Sound, Alaska

Creator:: Griswold, Kitty E.
Abstract:: Genetic diversity of two salmonid species, Dolly Varden (Salvelinus malma) and coastal cutthroat trout (Oncorhynchus clarki clarki) in Prince William Sound, Alaska were examined at multiple spatial scales with three molecular markers. Pleistocene glaciers covered what is now Prince William Sound 8,000- 12,000 years ago and both species colonized the...
Resource Type:: Dissertation
Full Text:: in Coastal Cutthroat Trout and Dolly Varden in Prince William Sound, Alaska. Abstract approved

Harlequin duck demography during winter in Prince William Sound, Alaska : effects of the Exxon Valdez oil spill

Creator:: Esler, Daniel
Abstract:: The 1989 Exxon Valdez oil spill was a major perturbation of nearshore habitats of Prince William Sound, a wintering area for harlequin ducks (Histrionicus histrionicus). This research was designed to evaluate harlequin duck population recovery from the oil spill from 1995 to 1998, using a demographic approach to assess both...
Resource Type:: Dissertation
Full Text:: Harlequin duck demography during winter in Prince William

Photosynthesis, respiration, and dry matter accumulation of Douglas-fir seedlings from different geographic sources and growth at different temperatures

Creator:: Sorensen, Frank C.
Resource Type:: Dissertation
Full Text:: - trolled environment chambers, one maintained at 360 day/2l°C night temperature, the other at 18°/4°C to

Geneticist L.C. Dunn : politics, activism, and community

Creator:: Gormley, Melinda (Melinda Brooke)
Abstract:: L. C. Dunn (1893-1974) spent most of his scientific career conducting research in developmental genetics as a member of the Zoology Department at Columbia University in the City of New York. He had an accomplished scientific career researching mutations in mice, which earned him respect from other geneticists and scientists....
Resource Type:: Dissertation
Full Text:: : Mary Jo Nye L. C. Dunn (1893-1974) spent most of his scientific career conducting research

Prostaglandin F α-induced signal transduction mechanism regulating the secretion of oxytocin from the bovine corpus lutem

Creator:: Orwig, Kyle Edwin
Resource Type:: Dissertation
Full Text:: C (PKC) present in the bovine corpus luteum (CL) and their subcellular distribution. In addition

Economic feasibility of mechanical strawberry harvesting in Oregon : estimated private and social benefits and costs

Creator:: Hussen, Ahmed M.
Abstract:: At its peak, Oregon produced 21 percent of the nation's total commercial strawberry production. However, since 1971, Oregon's share of strawberry production has been declining steadily. In fact, for the last three years strawberry production in Oregon constitutes only 8 percent of the nation's total production, which is the lowest...
Resource Type:: Dissertation
Full Text:: BENEFITS AND COSTS Abstract approved: William G. Brown At its peak, Oregon produced 21 percent of the

Responses of vegetation and sheep to three grazing pressures

Creator:: Thetford, Frank Oren
Abstract:: A study was conducted over a two year period, 1973 through 1974, on perennial ryegrass-subclover pastures with stocking rates of 7.4 (moderate), 9. 9 (heavy), and 12.4 (overstocked) ewes per hectare to establish guidelines on stocking intensity for dryland improved pastures in western Oregon. Climatic conditions varied annually and caused...
Resource Type:: Dissertation
Full Text:: to Dr. William C. Krueger for his assistance and supervision during the study and especially for

Growth characteristics and site potentials of perennial grass species

Creator:: Borman, Michael M.
Abstract:: In this study I assessed the potentials of selected, established perennial grasses to maintain site occupancy in the foothills ecosystem of the Rogue River Valley of southwest Oregon which is currently dominated by a variety of annual plants. The first evaluation compared growth curves of the perennial grasses and contrasted...
Resource Type:: Dissertation
Full Text:: contribute a quality program to the Department of Rangeland Resources. Dr. William C. Krueger has been not

Application of nonequilibrium ecology to managed riparian ecosystems

Creator:: Stringham, Tamzen K.
Abstract:: Seasonal trends in water table level and soil moisture for four plant community types within an irrigated eastern Oregon riparian zone were described. Aboveground biomass, species composition, litter, percent bareground and percent basal cover of key plant species and life forms were measured. The relationship between water table levels and...
Resource Type:: Dissertation
Full Text:: Riparian Ecosystems Abstract approved: William C. Krue r Seasonal trends in water table level and

Father's nurturance as related to social class and authoritarianism

Creator:: Owen, Lois Darling
Abstract:: The purpose of this exploratory study was to develop hypotheses about the relationships between nurturance in fathers to their small children and independent variables thought to be associated with fathers' nurturance. A second purpose was to attempt to clarify the father role in contemporary American society. The literature of child...
Resource Type:: Dissertation
Full Text:: particular: My committee: Dr. William C. Jenne' , Mrs. Marian Carlin, Dr. J. P. O'Neill, Dr. Charles W

Cattle grazing habits and movements related to riparian habitats and forested ranges with inference to acute dietary bovine pulmonary emphysema (ADBPE)

Creator:: Roath, Leonard Roy
Abstract:: Grazing on the mountainous forested ranges of the Camp Creek Unit, Malhuer National Forest, was typified by irregular distribution of free-ranging cattle. A combination of management and physical, topographic constraints caused cattle to concentrate on the riparian zone early in the grazing season in 1977 and 1978. A large percentage...
Resource Type:: Dissertation
Full Text:: process. Dr. William Krueger provided a guiding hand when needed, and judicial wisdom when problems

The impact of three stocking intensities and four grazing treatments on the carbohydrate reserves of perennial ryegrass (Lolium perenne L.)

Creator:: El Hassan, Babiker Ahmed, 1940-
Abstract:: A study was conducted during 1974 and 1975 to evaluate the impact of stocking intensity and season of grazing upon carbohydrate concentration, biomass of storage organs, and total carbohydrate per plant in the roots and crowns of perennial ryegrass (Lolium perenne L.) in improved rangelands in Western Oregon. The stocking...
Resource Type:: Dissertation
Full Text:: Privacy - -- Dr. /William C. Krueger A study was conducted during 1974 and 1975 to evaluate the im

An evaluation of understory vegetation dynamics, ecosystem resilience and state and transition ecological theory in an eastern Oregon ponderosa pine forest

Creator:: Carr, Craig A.
Abstract:: Relatively recent increases in ponderosa pine abundance have effected unprecedented changes to ecosystem structure and function. Efforts to restore ponderosa pine systems are often focused on the manipulation of tree structure and the re-introduction of a more natural fire regime. Successful restoration should also incorporate understory components but information addressing...
Resource Type:: Dissertation
Full Text:: Ponderosa Pine Forest Abstract approved: William C. Krueger Relatively recent increases

The genus Trichopezizella

Creator:: Haines, John Haldor, 1938-
Abstract:: A taxonomic study of the genus Trichopezizella Raitviir is presented. T. nidulus var. nidulus, T. horridula, T. barbata, and T. relicina var. relicina are fully described and figured. Three provisional combinations are made: T. nidulus var. hystriculus, T. nidulus var. setigera, and T. relicina var. macrospora. T. onocleae and T....
Resource Type:: Dissertation
Full Text:: this study possible, to Dr. William C. Denison, Dr. Richard P. Korf, and Mr. Stanley Jay Smith, upon

The genus Anthracobia Boudier (Pezizales, Ascomycetes)

Creator:: Larsen, Harold J.
Abstract:: A taxonomic revision of the genus Anthracobia Boudier is presented. The genus and eight included taxa are described and figured. A discussion of the taxonomic criteria used to delimit the genus and the species is included, and a key to the recognized taxa is given. Four imperfect states for included...
Resource Type:: Dissertation
Full Text:: ANTHRACOBIA BOUDIER (PEZIZALES, ASCOMYCETES) Redacted for privacyAbstract approved: William C. Denison A

Modeling riparian zone processes : biomass production and grazing

Creator:: Korpela, Edwin J.
Abstract:: Seasonal trends in forage production and environmental parameters for five plant community types within a northeastern Oregon riparian zone were described and modeled using correlation and path analysis. Wet meadows produced the greatest amount of herbage biomass, followed by moist bluegrass meadows, gravel bars, forests and dry bluegrass meadows. Trends...
Resource Type:: Dissertation
Full Text:: to express my gratitude to my major professor, Dr. William C. Krueger. Your encouragement, support

Ecological relationships between cervid herbivory and understory vegetation in old-growth Sitka spruce-western hemlock forests in western Washington

Creator:: Happe, Patricia Jenkins
Abstract:: The relationships between black-tailed deer (Odocoileus hemionus columbianus) and Roosevelt elk (Cervus elaphus roosevelti) herbivory and understory vegetation in unmanaged forests in Olympic National Park were studied from 1985 - 1989. From 1985 to 1986 I studied the impact of cervid exclusion on shrub, fern, and forb forage quality, tannin...
Resource Type:: Dissertation
Full Text:: Forests in Western Washinqton Abstract approved: /'L William rueg The relationships between black-tailed

Biology of symbiotic fungi associated with Ambrosia beetles of western United States

Creator:: Roeper, Richard Allen
Abstract:: Eight primary ambrosia fungi, Raffaelea canadensis, R. sulcati, Ambrosiella brunnea, A. ferruginea, A. gnathotrichi, A. hartigii, A. sulcati, and A. sulphurea (Fungi Imperfecti), were found in association with 11 ambrosia beetle species (Scolytidae and Platypodidae). The fungi are reported from new beetle symbionts, new tree hosts, and/or increased geographical distribution....
Resource Type:: Dissertation
Full Text:: WITH AMBROSIA BEETLES OF WESTERN UNITED STATZS Redacted for PrivacyAbstract approved: William C

Quality of bluebunch wheatgrass (Agropyron spicatum) as a winter range forage for Rocky Mountain Elk (Cervus elaphus nelsoni) in the Blue Mountains of Oregon

Creator:: Bryant, Larry Duane
Abstract:: This research was conducted on three study areas on elk winter ranges in Northeast Oregon. One was on the Starkey Experimental Forest and Range and the others were in the same vicinity. Plant appendages, spring and fall defoliation and fall growth of bluebunch wheatgrass were evaluated in terms of quality...
Resource Type:: Dissertation
Full Text:: thank Dr. William C. Krueger, my major professor, for his continual counsel, guidance, encouragement and

Evaluation of an early stage of the interior Columbia Basin Ecosystem Management Project : leadership, organization, and communication/interpersonal relations

Creator:: Page, Edward B.
Abstract:: Leadership, organizational structure, and communication/interpersonal relations are key functions studied. Evaluation of the Interior Columbia Basin Ecosystem Management Project (Project) considers how well those factors were managed by Forest Service and Bureau of Land Management in a bioregional assessment during a period from November, 1994 to November, 1995. Exploration of...
Resource Type:: Dissertation
Full Text:: , Organization, and Communication/Interpersonal Relations. William C. Krueger Sally Davenport Richard P. Gale

Grazing behavior and distribution of cattle on mountain rangelands

Creator:: Gillen, Robert L.
Abstract:: Several aspects of cattle grazing behavior and distribution were studied on mountain rangeland dominated by ponderosa pine- Douglas fir, mixed conifer, and white fir forest communities in northeastern Oregon. The association between upland distribution, determined by forage utilization and by direct cattle observation, and several habitat factors was studied through...
Resource Type:: Dissertation
Full Text:: MOUNTAIN RANGELANDS ,/ Redacted for privacyAbstract approved: W. C. Krueger Several aspects of cattle

Habitat associations of small mammals and amphibians in the central Oregon Coast Range

Creator:: Martin, Karl J.
Abstract:: One of the goals of ecosystem management is to integrate management of many species and processes across a range of temporal and spatial scales. I investigated the relationship between small mammals and amphibians at 3 spatial scales. My objective was to identify, habitat associations of forest floor vertebrates at the...
Resource Type:: Dissertation

Response of terrestrial vertebrates to three silvicultural treatments in the Central Oregon Coast Range

Creator:: Chambers, Carol Louise, 1958-
Abstract:: Growing concerns over maintaining animal and plant biodiversity have led to significant changes in forest management policies in the Pacific Northwest. Silvicultural alternatives to clear cutting are being suggested to promote development, retention, or creation of late-successional features such as large trees, multilayered canopies, snags and logs. As alternative management...
Resource Type:: Dissertation

Relationship between landscape structure and avian abundance patterns in the Oregon Coast Range

Creator:: McGarigal, Kevin
Abstract:: Human-induced fragmentation of forests is increasing, yet the consequences of these landscape changes to vertebrate communities are poorly understood. Despite progress in our understanding of how bird communities respond to forest fragmentation caused by agricultural or urban development, we have little understanding of these dynamics in landscapes undergoing intensive forest...
Resource Type:: Dissertation

A study of complex formation in solutions of nickel and nitrite ions and nickel ions and hydrazine

Creator:: Evans, William H. (William Harrington), 1921-
Resource Type:: Dissertation
Full Text:: NITRITE IONS AND NICKEL IONS AND HYDRAZINE br WILLIAM HARRINGTON EVANS submitted to OREOON STATE

An investigation of the relationship between administrator leadership style and teacher morale

Creator:: Bhella, Surjit Kaur
Abstract:: Industry, business, military and other government agencies are increasingly recognizing the significance of human factors in the productivity of complex organizations. Educational institutions are no exception to this fact. It is assumed that morale and productivity are related to the managerial style of the supervisor. Leaders are faced with the...
Resource Type:: Dissertation
Full Text:: MORALE Abstract approved: Redacted for Privacy Dr. William R. Fielder Industry, business, military and

Response of Canada milkvetch (Astragalus canadensis var. mortonii (Nutt.) Wats.) to range and forest improvement practices in Northeastern Oregon

Creator:: Wood, Benjamin William
Abstract:: The response of Canada milkvetch (Astragalus canadensis var. mortonii) to range and forest improvement practices was studied on a stand of mixed-coniferous forest which was clear -cut and burned in 1963 and 1964, respectively. The field studies were conducted on the Hall Ranch of the Eastern Oregon Experiment Station during...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF BENJAMIN WILLIAM WOOD for the Ph

Metabolism of volatile compounds by microorganisms

Creator:: Keenan, Thomas William
Abstract:: Single-strain cultures of Streptococcus cremoris, Streptococcus lactis, Streptococcus diacetilactis, and Leuconostoc citrovorum produced little or no acetone and no dimethyl sulfide when grown in milk culture. These organisms had little or no ability to decarboxylate antexogenous source of acetoacetic acid nor were they capable of producing dimethyl sulfide from methyl...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Thomas William Keenan for the Ph

Some biochemical studies of phenylmercuric acetate and mercuric acetate toxicity in rats

Creator:: Ellis, Robert William
Abstract:: Biochemical studies of phenylmercuric acetate (PMA) and mercuric acetate toxicity in rats carried out during this investigation were (1) the metabolism of ²⁰³Hg(Ac)₂ and ²⁰³Hg-PMA within kidney and liver tissues following oral ingestion, (2) the effect on some soluble enzyme activities and determinations of ²⁰³Hg binding in the enzyme fractions,...
Resource Type:: Dissertation
Full Text:: mercuric acetate toxicity in rats AN ABSTRACT OF THE THESIS OF ROBERT WILLIAM ELLIS for the DOCTOR OF

C-SHIFT, Quantile Theory, and Assessing Monotonicity

Creator:: Logan, Paul R.
Abstract:: DNA microarray technology is a powerful tool for analyzing patterns in gene expression data for thousands of genes. Due to a number of systematic variations in microarray experiments, the raw gene expression data is often obfuscated by undesirable technical noises. Various normalization techniques were designed in an attempt to remove...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Statistics presented on March 16, 2020. Title: C-SHIFT, Quantile Theory

The evaluation of the function of pathways in tomato metabolism

Creator:: Doyle, William Patrick
Resource Type:: Dissertation
Full Text:: metabolism THE EVALUATION OP THE FU1WT ION OF 1LATrnJAYS IN TOMATO METABOLISM by WILLIAM PATRICK DOYLE

Aerobic and nitrate respiration routes of carbohydrate catabolism in Pseudomonas stutzeri

Creator:: Spangler, William Jan
Resource Type:: Dissertation
Full Text:: Catabolism in Psedomonas Stutzeri AN ABSTRACT OF THE THESIS OF WILLIAM JAN SPANGLER for the Ph. D. in

Branching Brownian Motion with One Absorbing and One Reflecting Boundary

Creator:: Felder, William F.
Abstract:: In this work we will analyze branching Brownian motion on a finite interval with oneabsorbing and one reflecting boundary, having constant drift rate toward the absorbingboundary. Similar processes have been considered by Kesten ([12]), and more recently byHarris, Hesse, and Kyprianou ([11]). The current offering is motivated largely by the...
Resource Type:: Dissertation

Some soil factors affecting snowbrush nodulation

Creator:: Scott, William
Resource Type:: Dissertation
Full Text:: Stratton for William Scott ACKNOWLEDGEMENT The author wishes to express his sincere thanks to Dr. C. T

A comparison of taste responses in pygmy goats, normal goats, sheep and cattle

Creator:: Goatcher, William Donald
Abstract:: This study involved the use of the two-choice preference test to determine the taste responses of eight, each, of pygmy goats, normal goats, sheep and cattle to ascending concentrations of sucrose (Suc), sodium chloride (NaC1), acetic acid (HAc) and quinine hydrochloride (QHCI). In addition, sheep and cattle were tested at...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF WILLIAM DONALD GOATCHER for the

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