Index Catalog // ScholarsArchive@OSU

Methylisothiocyanate as a wood fumigant : fungitoxicity to Poria carbonica in wood and gelatin encapsulation for use in wood products

Creator:: Zahora, Andrew Roy
Abstract:: Experiments were conducted to determine both the influence of wood moisture content on the fungitoxicity of methylisothiocyanate (MIT) to the wood-decay fungus Poria carbonica, and the ability of gelatin to safely en-capsulate MIT for efficient treatment of wood products. The fungitoxicity of MIT was studied by determining the product of...
Resource Type:: Masters Thesis
Full Text:: OF Andrew Roy Zahora for the degree of Master of Science in Botany and Plant Pathology presented on

Contracting nucleolar vacuoles in somatic tobacco cells growing in microcultures

Creator:: Johnson, John Morris
Abstract:: Contracting nucleolar vacuoles are a general and consistent feature of somatic tobacco cells growing in microcultures. Nucleolar vacuoles were studied in cells from callus tissues of two single-cell clones, H-196 and H-239, of hybrid tobacco (Nicotiana tabacum X N. glutinosa). Vacuoles periodically contracted either completely or incompletely, apparently releasing a...
Resource Type:: Dissertation
Full Text:: possible: The members of his committee, Dr. Henry P. Hansen, Dr. Roy A. Young, Dr. Frank H. Smith, and

Conservation of Rorippa columbiae : an evaluation of reintroduction potential through the study of germination ecology, propagation methods, and habitat requirements

Creator:: Kentnesse, Laura E.
Abstract:: Rare plant reintroductions are a critical conservation tool for the augmentation of diminishing populations, or re-establishment of extirpated populations. Analysis of reintroduction failures suggests that a sophisticated understanding of species biology, ecology, and habitat is essential for producing self-sustaining rare plant populations. This study sought to generate that background knowledge...
Resource Type:: Masters Thesis
Full Text:: statistical testing and ecological insights. I thank Dr. Dennis Albert for his enthusiasm for playa species

The Influence of Nitrogen Fertility on Hop Quality, Pest Management, and the Stability of Biological Control

Creator:: Iskra, Anne E.
Abstract:: A multi-year field study was conducted in Oregon and Washington to evaluate the influence of nitrogen fertilization rate and timing on cone quality, nitrate accumulation in cones, severity of powdery mildew (caused by Podosphaera macularis), arthropod pests, and the stability of conservation biological control of the twospotted spider mite (Tetranychus...
Resource Type:: Masters Thesis
Full Text:: arthropod pests, hop looper, Hypena humuli Harris, can cause substantial defoliation and crop damage by

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:: Melzer's reagent (Dennis, 1968) or with 0. 2% cotton blue (analine blue) in lactic acid after Le Gal (1947

Factors affecting establishment and germination of upland prairie species of conservation concern in the Willamette Valley, Oregon

Creator:: Jones, Katherine D.
Abstract:: Identifying mechanisms that determine who lives and dies is the first step in developing successful restoration techniques for rare species and endangered habitats. We studied interactions that affect establishment of native plant forbs of conservation concern at the seedling stage to support the theoretical basis for restoration activities in Pacific...
Resource Type:: Masters Thesis
Full Text:: and Harris 2001) and there is a clear call to answer these challenges through the direct application

Pathological and ecological aspects of decline and mortality of Chamaecyparis nootkatensis in southeast Alaska

Creator:: Hennon, Paul Edward
Abstract:: Alaska-cedar (Chamaecvparis nootkatensIs (D. Don) Spach) is a valuable tree that is suffering from a serious decline and mortality of unknown cause throughout southeast Alaska. Epidemiological and pathological studies were initiated to determine if a pathogen is the primary cause of this problem. By examining old aerial photographs and by...
Resource Type:: Dissertation
Full Text:: bright yellow and aromatic (Fig. 1.2) (Harris 1971, Duff et al. 1954). Currently, its wood is used for

Ribulose bisphosphate carboxylase : a marker for the germination pathway in wheat embryos

Creator:: Hamblin, Martha T.
Resource Type:: Masters Thesis
Full Text:: comigrates with the small subunit of RuBPCase. Roy, et al. (1976) working with wheat, and Dobberstein, et

Genomic Resources for Phylogenetics, Species Delimitation, and Geographic Localization of Neotropical Tree Species Cedrela odorata L. (Meliaceae)

Creator:: Finch, Kristen N.
Abstract:: Biodiversity loss is of global concern, and is due in part to deforestation and high consumer demand for wood and wood products. The neotropical tree species Cedrela odorata (“Spanish cedar” or “cedro”) is economically valuable for its wood and faces threats of overexploitation. Due to strong similarities in wood features...
Resource Type:: Dissertation
Full Text:: Garden. Dennis Stevenson and Lisa DeGironimo collected and properly preserved the tissue of that

The structure and dynamics of old-growth Sitka spruce (Picea sitchensis) forest of the Oregon Coast Range

Creator:: Quaye, Eric Charles
Abstract:: The objectives of this study are to: 1) study the variations among stands of old-growth Sitka spruce forest located within a relatively restricted geographical area, 2) determine the relationship between species distribution, vegetational pattern, and such site factors as slope and aspect, and 3) ascertain the abruptness of phytosociological change...
Resource Type:: Dissertation
Full Text:: over 70 m tall in some cases (Ruth and Harris, 1979). Productivity of the better sites, as measured

ScholarsArchive@OSU

Methylisothiocyanate as a wood fumigant : fungitoxicity to Poria carbonica in wood and gelatin encapsulation for use in wood products

Contracting nucleolar vacuoles in somatic tobacco cells growing in microcultures

Conservation of Rorippa columbiae : an evaluation of reintroduction potential through the study of germination ecology, propagation methods, and habitat requirements

The Influence of Nitrogen Fertility on Hop Quality, Pest Management, and the Stability of Biological Control

The genus Anthracobia Boudier (Pezizales, Ascomycetes)

Factors affecting establishment and germination of upland prairie species of conservation concern in the Willamette Valley, Oregon

Pathological and ecological aspects of decline and mortality of Chamaecyparis nootkatensis in southeast Alaska

Ribulose bisphosphate carboxylase : a marker for the germination pathway in wheat embryos

Genomic Resources for Phylogenetics, Species Delimitation, and Geographic Localization of Neotropical Tree Species Cedrela odorata L. (Meliaceae)

The structure and dynamics of old-growth Sitka spruce (Picea sitchensis) forest of the Oregon Coast Range

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