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The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

Creator:: McMorran, Jeffrey P.
Abstract:: The reliability and sensitivity of enzyme-linked immunosorbent assay (ELISA) in the detection of ilarvirus (isometric labile ringspot virus) subgroup B and prune dwarf virus (PDV) isolates in Prunus and Malus species has been well established. To use this technique in large scale virus indexing programs more information was required on...
Resource Type:: Masters Thesis
Full Text:: Experimental Design 99 Experiment A 99 Experiment B 99 Experiment C 100 Experiment D 100- Experiment E 100

The relation of soil characteristics to growth and distribution of Chamaecyparis lawsoniana and Thuja plicata in southwestern Oregon

Creator:: Imper, David Kimberly
Abstract:: Twelve plots at six sites in southwestern Oregon were studied to determine the degree to which various soil characteristics are related to the occurrence and growth of Chamaecyparis lawsoniana and Thuja plicata. Soil profiles and vegetation were described in each plot, and measurements were made of insolation, soil and litter...
Resource Type:: Masters Thesis
Full Text:: lkoLltcT B. Zobel Twelve plots at six sites in southwestern Oregon were studied to determine the degree

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:: by November 1. Germination in the laboratory is inhibited at or below 10 deg C. At 12 and 15 deg

Calochortus howellii : ecology of a rare serpentine endemic, and comparison with the new species, C. umpquaensis (Liliaceae)

Creator:: Fredricks, Nancy Ann
Resource Type:: Masters Thesis
Full Text:: 2. Scanning electron micrographs of seeds. A. Q. tiowellii at 22X. B. Q. iowellii at 22X. C. Q

The ecology of lupines in Crater Lake National Park, Oregon

Creator:: Kerle, Elizabeth A.
Resource Type:: Masters Thesis
Full Text:: , and AAE, respectively, at the end of the 1983 growing season (Figure la,b,c). Every two weeks during

Responses of forest understory plants to burial by volcanic tephra from Mount St. Helens, Washington

Creator:: Antos, Joseph A.
Abstract:: The effects of burial by tephra (volcanic aerial ejecta) on forest understory plants were examined northeast of Mount St. Helens, Washington, in the area where the 18 May 1980 eruption deposited tephra but did not destroy canopy trees. At six sites along a tephra depth gradient from 2-15 cm, understory...
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for Privacy JDonal0 B. Zabel The effects of burial by tephra (volcanic aerial

Ecology of Pinus albicaulis on Bachelor Butte, Oregon

Creator:: Lueck, Dennis
Resource Type:: Masters Thesis
Full Text:: 87 Appendix A 87 Appendix B 89 Appendix C 90 LIST OF ILLUSTRATIONS Figure Page 1 Location of

Morphological variation, taxonomy, and host specificity of Phytophthora megasperma

Creator:: Hamm, Philip B.
Resource Type:: Masters Thesis
Full Text:: Phytophthora Megasperm AN ABSTRACT OF THE THESIS OF Philip B. Hamm for the degree of Master of Science in

Twenty-one years of secondary succession in Pseudotsuga forests of the western Cascade Range, Oregon

Creator:: Halpern, Charles B.
Resource Type:: Dissertation
Full Text:: scientific pursuits. ERRATA for Halpern, C. B. 1987. Twenty-one years of secondary succession in

Purification and partial characterization of a virus associated with korogwe leaf spot disease of sisal

Creator:: Mpunami, Anatolia
Abstract:: Sisal Wave sisalana Perrine), one of Tanzania's main cashcrops, is severely affected by korogwe leaf spot disease (KLS).Infected plants show chocolate brown, concentric, scablike eruptions on both surfaces of mature leaves, and produce stained, low-quality fiber. A flexuous, rod-shaped virus was isolated from KLS-infected sisal leaves and studied at Oregon...
Resource Type:: Masters Thesis
Full Text:: section of sisal leaf. B,C. Fibrous inclusions in sisal leaf. D. Phloem cells in bean leaf deeply

ScholarsArchive@OSU

The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

The relation of soil characteristics to growth and distribution of Chamaecyparis lawsoniana and Thuja plicata in southwestern Oregon

Growth and reproductive ecology of Larix laricina in interior Alaska

Calochortus howellii : ecology of a rare serpentine endemic, and comparison with the new species, C. umpquaensis (Liliaceae)

The ecology of lupines in Crater Lake National Park, Oregon

Responses of forest understory plants to burial by volcanic tephra from Mount St. Helens, Washington

Ecology of Pinus albicaulis on Bachelor Butte, Oregon

Morphological variation, taxonomy, and host specificity of Phytophthora megasperma

Twenty-one years of secondary succession in Pseudotsuga forests of the western Cascade Range, Oregon

Purification and partial characterization of a virus associated with korogwe leaf spot disease of sisal

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