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Histological examination of Phytophthora ramorum in Notholithocarpus densiflorus bark tissues

Creator:: Botts, Molly M.
Abstract:: Colonization of N. densiflorus tissues by P. ramorum is not well understood. The pathogen is able to colonize nearly all tissues of this host but it is unclear how a tree is ultimately killed. Because this is such a destructive invasive pathogen, it is important to investigate its pathogenic strategy....
Resource Type:: Masters Thesis
Full Text:: _________________________________________________________________________ Everett M. Hansen Colonization of N. densiflorus tissues by P. ramorum is not well

The effects of Phytophthora ramorum infection on hydraulic conductivity and tylosis formation in tanoak sapwood

Creator:: Collins, Bradley R.
Abstract:: Tanoak (Lithocarpus densiflorus), along with some other members of Fagaceae, are susceptible to sudden oak death caused by the oomycete Phytophthora ramorum. Symptoms of the disease include dying crowns, bleeding cankers, and eventually death of infected trees. The cause of mortality is not well understood, but recent research indicates that...
Resource Type:: Masters Thesis
Full Text:: Lachenbruch and Everett Hansen from whom I have learned more than I can express, and Pat Breen for

Effect of Root and Shoot Manipulation on the Morphology and Physiology of Oregon White Oak (Quercus garryana) Seedlings in the Nursery and Following Outplanting

Creator:: Baumgart, Erin E.
Abstract:: Oregon white oak, or Garry oak (Quercus garryana), has been adversely affected by land-use conversion, landscape fragmentation, and anthropogenic fire suppression. Its historical range has contracted significantly to the point where an estimated 1-5% remains intact. Natural regeneration is difficult due to a lack of seed sources and the physiological...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ Anthony S. Davis

Prestige seeking consumer behavior and evaluative criteria of premium brand jeans

Creator:: Bell, Meagon M.
Abstract:: Although designer brand denim apparel has been popular since the early 1980’s, the term “premium denim” is a relatively new concept to the apparel industry. This study investigated evaluative criteria used by female consumers when purchasing premium denim jeans. Previous studies have examined evaluative criteria and its importance in purchasing...
Resource Type:: Masters Thesis
Full Text:: Davis Burns Although designer brand denim apparel has been popular since the early 1980’s, the

For the People: Power Distribution and the Development of Political Identity in State Lands Management

Creator:: Mallory, Gavriela M.
Abstract:: Purposive stakeholder involvement in public lands management has grown in the United States in recent decades as government bodies have initiated advisory groups in addition to public comment modalities of participation. While advisory groups and collaboratives on federal lands have been studied extensively, much less is known about network governance...
Resource Type:: Masters Thesis
Full Text:: ., 2020; Davis et al., 2018). On federal lands in the United States, National Environmental Policy Act

Impacts of dwarf mistletoe on the physiology of host Tsuga heterophylla trees as recorded in tree ring C and O stable isotopes

Creator:: Marias, Danielle E.
Abstract:: Dwarf mistletoes, obligate, parasitic plants with diminutive aerial shoots, have long-term effects on host tree water relations, hydraulic architecture, and photosynthetic gas exchange and can eventually lead to tree death. To investigate the long-term impacts of dwarf mistletoe on gas exchange of host western hemlock trees, I compared growth, gas...
Resource Type:: Masters Thesis
Full Text:: . Daytime (0630-1930 h) vapor pressure deficit (VPD; A), and precipitation (B) during the growing season

Faidherbia albida Water Use and Impacts on Teff Growth in a Sub-humid Environment in Mojo, Ethiopia

Creator:: Krampien, Jeannette T.
Abstract:: Faidherbia albida is a widely used tree species in sub-Saharan Africa, promoted for use in parkland agroforestry systems based on reduced competition with crops during the rainy season from its reverse leafing phenology and positive effect on soil fertility. Increases in growth and yield have been reported for crops such...
Resource Type:: Masters Thesis
Full Text:: (0000-2330 h) of sap flow density (Fd) of three Faidherbia albida trees (A) before pollarding on 16

Early genetic selection for wood stiffness in juvenile Douglas-fir and western hemlock

Creator:: Urhan, Oguz S.
Abstract:: Wood modulus of elasticity (MOE), also known as wood stiffness, is one of the most important wood properties. Wood stiffness is a measure of the resistance to deflection, and is important because some products such as laminated veneer lumber, plywood, and dimension lumber require stiff and strong wood. Incorporating wood...
Resource Type:: Masters Thesis

Impacts of Swiss needle cast on Douglas-fir tree-ring stable isotopes and tree carbohydrate reserves

Creator:: Saffell, Brandy J.
Abstract:: Understanding the mechanisms of disease in forest pathology is a critical component to learning how to most efficiently manage tree diseases like Swiss needle cast (SNC). SNC is an economically important, fungal disease of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) that is prevalent in coastal areas of the Pacific Northwest. This...
Resource Type:: Masters Thesis

Chemical modification of wood : dimensional stabilization of viscoelastic thermal compressed wood

Creator:: Gabrielli, Christopher P.
Abstract:: The tendency of wood to shrink and swell with changing moisture content remains as one of the most significant challenges to using wood in its many applications. Viscoelastic Thermal Compression (VTC) has been shown to significantly increase the density, strength and stiffness of wood. However, dimensional stability is still a...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Histological examination of Phytophthora ramorum in Notholithocarpus densiflorus bark tissues

The effects of Phytophthora ramorum infection on hydraulic conductivity and tylosis formation in tanoak sapwood

Effect of Root and Shoot Manipulation on the Morphology and Physiology of Oregon White Oak (Quercus garryana) Seedlings in the Nursery and Following Outplanting

Prestige seeking consumer behavior and evaluative criteria of premium brand jeans

For the People: Power Distribution and the Development of Political Identity in State Lands Management

Impacts of dwarf mistletoe on the physiology of host Tsuga heterophylla trees as recorded in tree ring C and O stable isotopes

Faidherbia albida Water Use and Impacts on Teff Growth in a Sub-humid Environment in Mojo, Ethiopia

Early genetic selection for wood stiffness in juvenile Douglas-fir and western hemlock

Impacts of Swiss needle cast on Douglas-fir tree-ring stable isotopes and tree carbohydrate reserves

Chemical modification of wood : dimensional stabilization of viscoelastic thermal compressed wood

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