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Seed dormancy, germination and seedling vigor of some Kentucky bluegrass (Poa pratensis L.) varieties as affected by environmental and endogenous factors

Creator:: Maguire, James Dale
Abstract:: Seed of Cougar and Newport Kentucky bluegrass (Poa pratensis L.) was harvested at Pullman and Spokane at several stages of maturity. Variations in seed attributes resulting from environmental and maturity effects were evaluated through germination tests, tetrazolium staining, seed moisture and seed weight determinations. Seedling vigor was determined by .speed...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF JAMES DALE MAGUIRE for the

Distribution of the sabellid polychaete Eudistylia polymorpha in a tidepool at Strawberry Hill

Creator:: Dedrick, Millridge C., Orr, Jack L., Towle, Christine A., and Wilson, Dennis L.
Abstract:: Keywords: Strawberry Hill; Eudistylia polymorpha; Tide pool; Mytilus; Mitella polymerus; Pisaster ochraceous; Katharina tunicata; Corallina gracilis; Anthopleura xanthogrammica; Eudistylia polymorphous; Haliciona; Balanus; Eel grass; Strongylocentrotus purpuratus; Mytilus californianus; Anthopleura elegantissima; Laminaria
Resource Type:: Research Paper

Intertidal zonation of organisms on the northwest and southeast faces of Butte Rock at Yaquina Head, Newport, Oregon

Creator:: Dedrick, Millridge C., Orr, Jack L., Towle, Christine A., and Wilson, Dennis L.
Abstract:: Keywords: Yaquina Head; Butte Rock; Intertidal zone; Zonation; Mytilus californianus; Strongylocentrotus purpuratus; Pisaster ochraceus; Anthopleura xanthogrammica; Tonicella lineata; Calliostoma costatum; Pagurus hirsutiuscutus; Oedignathus inermis; Phascolosoma agassizzi; Leptasterias aequalis; Leptasterias pusilla; Balanus cariosus; Katharina tunicate; Eupolymnia; Ampithoe; Tubulanus polymorphus; Amphiporus impatispindeus; Petrolisthes cinctipes; Mitella polymerus; Mitella polymerus; Cyanoplax dentiens; Cirolana harfordi;...
Resource Type:: Research Paper

Effect of snowbrush on the establishment and growth of Douglas-fir seedlings

Creator:: Scott, William
Abstract:: Six, recent clear cut areas were selected in the Douglas-fir zone of the Western Cascade Range of Oregon to determine the environmental and nutritional effects that snowbrush has on the establishment and growth of Douglas-fir seedlings. One thousand eighty milacre sample plots on the six clear cuts were used to...
Resource Type:: Masters Thesis
Full Text:: major pro- fessor, Dr. C. T. Youngberg, for suggesting this project and for his interest and

Reproductive characteristics of two breeds of swine fed dichlorvos

Creator:: Trindade, Roger James
Abstract:: Thirty-six gilts were used in an experiment of 2³ factorial design. The experiment consisted of two breeds (Yorkshire- Berkshire and Yorkshire), two feeding regimens (pre-breeding and post-breeding) and two levels of dichlorvos (2, 2-dichlorovinyl dimethyl phosphate, 0 and 800 mg. per gilt per day). Pre-breeding treatment consisted of feeding dichlorvos...
Resource Type:: Masters Thesis
Full Text:: SWINE FED DICHLORVOS Abstract approved: Redacted for Privacy David C. EnglOd Thirty-six gilts were

Reactively sputtered films of silicon nitride for diffusion masking

Creator:: Delzer, Dennis Richard
Abstract:: The experimental procedure for reactively sputtering films of silicon nitride together with the methods for measuring the film thickness have been investigated. Some of the properties of these nitride films were studied. These properties included: infrared spectrum, etching properties, and index of refraction. The adherence of the films was also...
Resource Type:: Masters Thesis
Full Text:: Professor James C. Looney for his many suggestions and valuable guidance throughout the course of this

A comparison of the personal and social adjustment of 38 never-married women and 38 married women

Creator:: Baker, Luther Galloway, Jr.
Abstract:: A survey of scholarly and popular contemporary literature reveals two persisting stereotypes regarding the nature of women. First is the theory that woman is inferior to man and that since she is the "negative" of man's masculine nature, she cannot develop her humanity to the fullest extent without fusion with...
Resource Type:: Dissertation
Full Text:: Family Life Dean a Graduate Sahoo Date thesis is presented: August 9, 1966 Typed by Marilyn C

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:: . Frakes, and Dr. T. C. Moore who were always approach- able, helpful and encouraging. Dr. D. C. Church

The development and evaluation of audiovisual techniques to acquaint high school students with opportunities available in the private colleges in Oregon

Creator:: Plimpton, Hollis Winslow
Abstract:: The purpose of this study was to test a proposed procedure for providing seniors in small high schools of Oregon with information in regard to the private colleges and universities of the state. It included the development of an audio-visual technique and its trial on a sample group. Scope and...
Resource Type:: Dissertation
Full Text:: Program Proposed in the Study 78 Class "8" and "C" Oregon Public Secondary Schools 83 Table LIST OF

The reproduction and mode of spread of sago pondweed (Potamogeton pectinatus L.) in irrigation system

Creator:: Ogg, Alex G.
Abstract:: Nine experiments were conducted during 1964 and 1965 to study the methods of reproduction and mode of spread of sago pondweed (Potamogeton pectinatus) in irrigation systems. Frequent treatments of sago pondweed foliage with aromatic solvent greatly reduced the number of tubers in the substratum of an irrigation canal. However, complete...
Resource Type:: Masters Thesis
Full Text:: germination. Storage of seed in water at 0.0 degrees C. for 12 days resulted in the highest percentage of

ScholarsArchive@OSU

Seed dormancy, germination and seedling vigor of some Kentucky bluegrass (Poa pratensis L.) varieties as affected by environmental and endogenous factors

Distribution of the sabellid polychaete Eudistylia polymorpha in a tidepool at Strawberry Hill

Intertidal zonation of organisms on the northwest and southeast faces of Butte Rock at Yaquina Head, Newport, Oregon

Effect of snowbrush on the establishment and growth of Douglas-fir seedlings

Reproductive characteristics of two breeds of swine fed dichlorvos

Reactively sputtered films of silicon nitride for diffusion masking

A comparison of the personal and social adjustment of 38 never-married women and 38 married women

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

The development and evaluation of audiovisual techniques to acquaint high school students with opportunities available in the private colleges in Oregon

The reproduction and mode of spread of sago pondweed (Potamogeton pectinatus L.) in irrigation system

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