Index Catalog // ScholarsArchive@OSU

Spatial and chronological patterns of Purshia tridentata as influenced by Pinus ponderosa overstory

Creator:: Sherman, Robert James
Abstract:: Twelve sites of uniform topography and soils were selected in the Pinus ponderosa/Purshia tridentata/Festuca idahoensis Association. These sites were located in the rain shadow on the east flank of the Oregon Cascades. A fire history in the form of fire scars on ponderosa pine was available for nine of these...
Resource Type:: Masters Thesis
Full Text:: Influenced By Pinus Ponderosa Overstory AN ABSTRACT OF THE THESIS OF ROBERT JAMES SHERMAN for the M. S

Description of the plant communities and succession of the Oregon coast grasslands

Creator:: Ripley, James Douglas
Abstract:: In an effort to describe the plant communities and succession of the Oregon coastal grasslands, vegetation and environmental data were collected from 75 stands at 24 separate locations ranging from Cape Falcon in Tillamook County to Cape Ferrelo in Curry County. The vegetation data consisted of cover and frequency values...
Resource Type:: Dissertation
Full Text:: Oregon Coastal Grasslands AN ABSTRACT OF THE THESIS OF James Douglas Ripley for the degree of Doctor

Potential susceptibility of tanoak associated and rare ericaceous plant species of southwestern Oregon to Phytophthora ramorum

Creator:: Zanzot, James W.
Abstract:: The sudden oak death pathogen, Phytophthora ramorum, is present in southwestern Oregon, and while an eradication effort is underway, the potential impact of the polyphagous pathogen on surrounding vegetation is unknown. Plant communities in the area are substantially different from those affected in California, although tanoak (Lithocarpus densiflorus), evergreen huckleberry...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF James W. Zanzot for the degree of

Comparative gibberellin relationships in tall and dwarf peas (Pisum sativum L.)

Creator:: Anderson, James David
Abstract:: Experiments were performed to determine whether a direct correlation exists between the growth rates of tall and dwarf peas grown either in the light or in the dark and endogenous gibberellin (GA) content. Three separate but related experimental approaches were utilized: (1) the determination of possible qualitative and /or quantitative...
Resource Type:: Dissertation
Full Text:: peas (Pisum sativum L.) AN ABSTRACT OF THE THESIS OF JAMES DAVID ANDERSON in for the PH, D

Morphology, ultrastructure and mating of sporidia of a wheat-bunt fungus, Tilletia caries (DC.) Tul.

Creator:: Kollmorgen, James Frederick
Abstract:: The teliospore of Tilletia caries germinates to produce a promycelium with a whorl of primary sporidia at its tip. The time between emergence of the promycelium and the development of primary sporidia averaged 2.3 h. Fusion between compatible sporidia occurred within an additional 3.8 h. Primary sporidia appeared to be...
Resource Type:: Dissertation
Full Text:: wheat-bunt fungus, Tilletia caries (DC.) Tul. AN ABSTRACT OF THE THESIS OF James Frederick

Systematics, phylogeny, and biogeography of the hysterangiales and related taxa (Phallomycetidae, Homobasidiomycetes)

Creator:: Hosaka, Kentaro
Abstract:: Monophyly of the gomphoid-phalloid clade was confirmed based on multigene phylogenetic analyses. Four major subclades (Hysterangiales, Geastrales, Gomphales and Phallales) were also demonstrated to be monophyletic. The interrelationships among the subclades were, however, not resolved, and alternative topologies could not be rejected statistically. Nonetheless, most analyses showed that the Hysterangiales...
Resource Type:: Dissertation
Full Text:: and James Trappe. I would like to express my sincere thanks to my major advisor, Joey Spatafora, for

Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

Creator:: Gratkowski, H.
Resource Type:: Dissertation
Full Text:: . Mr. W. E. Hallin of the Roseburg Research Center and Dr. W. W. Chiloote, Associate Professor of

An analysis of montane forest vegetation on the east flank of the central Oregon Cascades

Creator:: West, Neil E.
Abstract:: Montane forest vegetation as it occurs on the east flank of the central Oregon Cascades has provided excellent conditions for a "natural experiment" in the use of various methodologies in studying vegetational distribution. This "experiment" has reflected on some theory and practice for the discipline of plant synecology. Detailed descriptions,...
Resource Type:: Dissertation
Full Text:: sympathetic understanding of his major professor, Dr. W. W. Chilcote. Many personnel of the United States

Revegetation in the 1914-1915 devastated area of Lassen Volcanic National Park

Creator:: Bailey, Warren Hutchinson, 1914-
Abstract:: At the time of the eruptions of Lassen Peak in 1914-1915, an area of vegetation along the east slope of the mountain approximately 1 1/4 miles wide and four miles long was destroyed. Except for a few surviving trees, all vegetation was destroyed. A study of the revegetation of this...
Resource Type:: Dissertation
Full Text:: preparation of this dissertation. Most of all, thanks should go to Dr. W. W. Chilcote, Associate Professor

Factors affecting the inoculum potential of VA and ectomycorrhizal fungi in forest soils of southwest Oregon and northern California

Creator:: Parke, Jennifer Lee
Resource Type:: Dissertation
Full Text:: thank Dr. James M. Trappe for the opportunity to study the ecology of native mycorrhizal fungi, and Mr

ScholarsArchive@OSU

Spatial and chronological patterns of Purshia tridentata as influenced by Pinus ponderosa overstory

Description of the plant communities and succession of the Oregon coast grasslands

Potential susceptibility of tanoak associated and rare ericaceous plant species of southwestern Oregon to Phytophthora ramorum

Comparative gibberellin relationships in tall and dwarf peas (Pisum sativum L.)

Morphology, ultrastructure and mating of sporidia of a wheat-bunt fungus, Tilletia caries (DC.) Tul.

Systematics, phylogeny, and biogeography of the hysterangiales and related taxa (Phallomycetidae, Homobasidiomycetes)

Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

An analysis of montane forest vegetation on the east flank of the central Oregon Cascades

Revegetation in the 1914-1915 devastated area of Lassen Volcanic National Park

Factors affecting the inoculum potential of VA and ectomycorrhizal fungi in forest soils of southwest Oregon and northern California

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