Index Catalog // ScholarsArchive@OSU

Factors determining species composition of post-disturbance vegetation following logging and burning of an old growth Douglas-fir forest

Creator:: Clark, Deborah Louise, 1950-
Resource Type:: Masters Thesis
Full Text:: which he gave me exceptional guidance and encouragement. thank my committee members, Don Zobel and Dave

The reproductive ecology of the pacific yew (Taxus brevifolia nutt.) under a range of overstory conditions in western Oregon

Creator:: DiFazio, Stephen P.
Abstract:: The influence of overstory openness on the reproductive ecology of Pacific yew (Taxus brevifolia Nutt.) was investigated on 4 sites in western Oregon over 2 years. The breeding system of T. brevifolia was found to deviate from pure dioecy under a broad range of canopy and site conditions. Production of...
Resource Type:: Masters Thesis
Full Text:: entire committee, including Don Minore and George Somero, showed remarkable patience and

Effects of single and multiple stressors on communities of wheat and wild oats

Creator:: Pfleeger, Thomas G.
Abstract:: Most plant toxicology tests developed in support of environmental laws use a single stress applied to an individual plant. While tests using individual species or stresses require fewer resources and are easier to interpret, they are under increasing criticism for being unrealistic and missing important ecological interactions. The objective of...
Resource Type:: Dissertation
Full Text:: extremely helpful, especially when we were endlessly counting seeds. John Laurence, Mary Powelson, Don

Port-Orford-cedar and Phytophthora lateralis : grafting and heritability of resistance in the host, and variation in the pathogen

Creator:: McWilliams, Michael G.
Abstract:: Port-Orford-cedar (Chamaecyparis lawsoniana) is a forest tree native to a small area of Oregon and California. A root disease caused by Phytophthora lateralis causes widespread mortality of Port-Orford-cedar. This dissertation examines three important elements of the Port-Orford-cedar P. lateralis pathosystem related to breeding for disease resistance: use of resistant rootstocks...
Resource Type:: Dissertation
Full Text:: yellow- cedar were provided by Don Carson and John Russell, and Don and the crew at the Cowician Lake

A biochemical analysis of the interaction of victorin and oats

Creator:: Navarre, Duroy A.
Abstract:: Victoria blight of oats is caused by the fungus Cochhobolus victoriae. This fungus is pathogenic due to its ability to produce the host-selective toxin victorin. Previously, a 100-kD protein that binds victorin in vivo only in susceptible genotypes was identified as the P protein of the glycine decarboxylase complex (GDC)....
Resource Type:: Dissertation
Full Text:: members, Dr. Don Armstrong, Dr. Terri Lomax and Dr. Dallice Mills for their guidance and generous use of

Morphological and cytological variation in Trillium albidum Freeman (Liliaceae)

Creator:: Bledsoe, Karen E.
Abstract:: This work was performed on Trillium albidum Freeman (Liliaceae), to clarify the pattern of morphological variation between the small-flowered populations at the northern limit of its range ( T. parviflorum Soukup) and the larger-flowered populations from southern Oregon and northern California. It was hypothesized that only a single species of...
Resource Type:: Masters Thesis
Full Text:: serving on my thesis committee. Dr. Robert Frenkel, Dr. Don Zobel, and Dr. Lee Eddleman were the other

Growth and reproductive ecology of Larix laricina in interior Alaska

Creator:: Brown, Kevin R.
Abstract:: Larix laricina in Alaska occurs on sites ranging from productive slopes and riverbottoms to wet bogs underlain by permafrost. It is largest on sites without permafrost, where it is associated with Picea glauca, but is much more common in bogs, where it occurs with Picea mariana. In this study, I...
Resource Type:: Masters Thesis
Full Text:: encouragement and good ideas, more of which I should have listened to. My advisor, Don Zobel, deserves much

Integration and excision of pMMC7105 in Pseudomonas syringae pv. phaseolicola occur by recombination between copies of a repetitive IS-like sequence

Creator:: Ehrenshaft, Marilyn
Resource Type:: Dissertation
Full Text:: Drs. Ralph Quatrano, George Pearson, Larry Moore, Al Ferro and Don Armstrong for serving as members

Auxin and cytokinin interaction in tomato (Lycopersicon esculentum Mill.)

Creator:: Coenen, Catharina
Abstract:: The phytohormones auxin and cytokinin control plant development through a complex network of interactions which include synergistic, additive, and opposite effects whose mechanisms are unknown. The auxin-insensitive diageotropica (dgt) mutant provided a tool to dissect the relationship between auxin- and cytokinin-induced responses in tomato. Morphological, physiological, and molecular data support...
Resource Type:: Dissertation
Full Text:: abilities. I thank the members of my committee, Carol Rivin, Don Armstrong, Machteld Mok, Paul Farber, and

The Ecology and Epidemiology of Xanthomonas hortorum pv. carotae in Central Oregon Carrot Seed Production Systems

Creator:: Baldino, Katelyn D.
Abstract:: Xanthomonas hortorum pv. carotae (Xhc) is an epiphytic, plant pathogenic bacterium that causes the disease bacterial blight of carrot (Daucus carota subsp. sativus). Infection with Xhc can result in blighting of leaves and umbels and reduce quality and yield of carrot seed crops. Carrot production in the United States approaches...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Factors determining species composition of post-disturbance vegetation following logging and burning of an old growth Douglas-fir forest

The reproductive ecology of the pacific yew (Taxus brevifolia nutt.) under a range of overstory conditions in western Oregon

Effects of single and multiple stressors on communities of wheat and wild oats

Port-Orford-cedar and Phytophthora lateralis : grafting and heritability of resistance in the host, and variation in the pathogen

A biochemical analysis of the interaction of victorin and oats

Morphological and cytological variation in Trillium albidum Freeman (Liliaceae)

Growth and reproductive ecology of Larix laricina in interior Alaska

Integration and excision of pMMC7105 in Pseudomonas syringae pv. phaseolicola occur by recombination between copies of a repetitive IS-like sequence

Auxin and cytokinin interaction in tomato (Lycopersicon esculentum Mill.)

The Ecology and Epidemiology of Xanthomonas hortorum pv. carotae in Central Oregon Carrot Seed Production Systems

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