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Water relations, gas exchange, and growth responses of Douglas-fir seedlings to stresses associated with transplanting

Creator:: Joseph, Gladwin
Abstract:: The goal of this thesis was to determine the physiological mechanisms that link adverse preplanting treatments of Douglas-fir, such as exposure and root pruning, to the phenomenon of transplanting shock. The objective of experiments 1 and 2 was to measure the effect of exposure and pruning on the physiology and...
Resource Type:: Dissertation

Transplant shock in stored and unstored 2+0 Douglas-fir seedlings : effect of initial root volume and soil water content

Creator:: Haase, Diane L.
Abstract:: Transplant shock was induced by applying a range of soil water contents to unstored and cold-stored two-yearold (2+0) bareroot Douglas-fir seedlings graded by root volume. Moisture stress had the greatest influence on morphological characteristics commonly associated with transplant shock. Terminal growth, lateral growth, stem diameter growth, and needle length increased...
Resource Type:: Masters Thesis

Energy exchange of transplanted Douglas-fir seedlings on two cutover sites in southwestern Oregon

Creator:: Vanderwaal, James A.
Abstract:: An energy balance analysis was performed on each of four transplanted Douglas-fir [Pseudotsuga menziesii (Mirb.) Francol seedlings growing on two cutover sites in southwestern Oregon. The two sites were a clearcut and a partial-cut (shelterwood) side by side, with a pair of seedlings used on each site. One seedling of...
Resource Type:: Masters Thesis

The growth of seedlings of some coniferous species in a controlled environment

Creator:: Lavender, Denis Peter, 1926-
Resource Type:: Dissertation
Full Text:: Douglas Fir Seedlings after One Season's 1 Variation in Growth in a Douglas Fir Seedling z Black Rock

Botrytis infection of Douglas-fir seedlings and its control with thiram

Creator:: Halber, Max
Resource Type:: Masters Thesis
Full Text:: Botrytis Infection of Douglas-Fir Seedlings and Its

Origin and differentiation of the seed cone of Pseudotsuga menziesii (Mirbel) Franco

Creator:: Owens, John N.
Resource Type:: Dissertation
Full Text:: establishes the time and mode of lateral bud initiation in Douglas-fir and describes in detail the

Root initiation and differentiation in Pseudotsuga menziesii (Mirbel) Franco

Creator:: Bogar, Gerald Dale
Abstract:: Tissue differentiation of the primary root and its associated laterals is reported. Secretory elements are the first of the primary tissues to mature. They appear to be located between the precursory phloem and pericycle in the primary root, but are more closely associated with the pericycle in long lateral roots....
Resource Type:: Masters Thesis
Full Text:: ) FRANCO INTRODUCTION The anatomy of Douglas -fir (Pseudotsuga menziesii (Mirb. ) Franco) has been

Fungi associated with Douglas-fir seed during cone development, seed processing, and storage

Creator:: Gordon, Lewin Roland
Abstract:: The Pacific Coast form of Douglas-fir in natural forest succession is an intermediate species thriving in the Coast Range and Cascade Mountains of the Pacific Northwest. This species constitutes 26 percent of the standing timber in the United States, and 24 percent of the nation's annual timber harvest. Characteristics of...
Resource Type:: Masters Thesis
Full Text:: Fungi Associated with Douglas-Fir Seed During Cone

Cambial divisions in Pseudotsuga menziesii

Creator:: Sisson, Warren Elmer, Jr.
Abstract:: Mitotic activity in the vascular cambium was determined from ten samples from a single internode in each of four Douglas-fir [(Pseudotsuga menziesii (Franco.) Mirb.)]trees. Counts of interphase and mitotic nuclei from nine cores in each sample piece were averaged and expressed as the frequency and mitotic index. The sampling error...
Resource Type:: Masters Thesis
Full Text:: Douglas -fir [(Pseudotsuga menziesii (Franco. ) Mirb. )]trees. Counts of inter - phase and mitotic

Comparative rates of CO₂ production from the forest floor in the Douglas-fir ecosystem

Creator:: Phillips, Michael John
Abstract:: To obtain data on the decomposition of the forest floor, a battery operated electrolytic respirometer was developed making it possible to measure CO₂ evolution from field moist forest floor samples in situ independent of root respiration. Banks of four respirometers powered by two 12-volt batteries were installed in three old...
Resource Type:: Masters Thesis
Full Text:: CO2 PRODUCTION FROM THE FOREST FLOOR IN THE DOUGLAS-FIR ECOSYSTEM Redacted for Privacy ChesterA

ScholarsArchive@OSU

Water relations, gas exchange, and growth responses of Douglas-fir seedlings to stresses associated with transplanting

Transplant shock in stored and unstored 2+0 Douglas-fir seedlings : effect of initial root volume and soil water content

Energy exchange of transplanted Douglas-fir seedlings on two cutover sites in southwestern Oregon

The growth of seedlings of some coniferous species in a controlled environment

Botrytis infection of Douglas-fir seedlings and its control with thiram

Origin and differentiation of the seed cone of Pseudotsuga menziesii (Mirbel) Franco

Root initiation and differentiation in Pseudotsuga menziesii (Mirbel) Franco

Fungi associated with Douglas-fir seed during cone development, seed processing, and storage

Cambial divisions in Pseudotsuga menziesii

Comparative rates of CO₂ production from the forest floor in the Douglas-fir ecosystem

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