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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

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

Creator:: Owens, John N.
Resource Type:: Dissertation
Full Text:: Differentiation of the Seed Cone of Pseudotsuga Menziesii (Mirbel) Franco Abstract approved (Major Professor

Pollen contamination trends in a maturing Douglas-fir seed orchard

Creator:: Adams, W. T., Hipkins, Valerie D., Burczyk, J., and Randall, W. K.
Abstract:: Pollen contamination was investigated in one block (block 4) of a 10-block Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seed orchard complex in western Oregon. Blocks (25 clones each) represent different breeding zones; thus, contaminant pollen sources not only included the adjacent natural stand of Douglas-fir, but also other blocks within the...
Resource Type:: Article
Full Text:: orchard were heavy enough in five years between 1981 and 1990 to warrant cone harvesting. Received

Influences of shoot origin and certain pre- and post-severance treatments on the rooting and growth characteristics of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stem cuttings

Creator:: Black, Darvil Kim
Resource Type:: Dissertation
Full Text:: CUTTINGS Abstract approved: W L/' r I V-.y w — w^j-<- A. N. Roberts Stem cuttings of

Silvicultural impacts of sheep grazing in Oregon's Coast Range

Creator:: Leininger, Wayne C.
Abstract:: A three-year investigation was conducted during 1980-1982 to evaluate the potential of using herded sheep as a silvicultural tool to suppress brush in Douglas-fir (Pseudotsuga menziesii) plantations of Oregon's Coast Range. Sheep browsing of Douglas-fir was highest in May soon after bud break. Averaged over the 2 years of grazing,...
Resource Type:: Dissertation
Full Text:: . Beschta, W. H. Emmingham, and H. F. Horton. Dr. W. C. Krueger was also very helpful during my tenure at

Root initiation and elongation in Douglas-fir, Pseudotsuga menziesii (Mirb.) franco, stem cuttings as related to bud and cambial activity

Creator:: Bhella, Harbans Singh
Abstract:: The relation of bud and cambial activity to root initiation and elongation in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stem cuttings was studied through two successive growth cycles. Stem cuttings of current season's growth were taken periodically from field-grown Douglas-fir trees to determine: (1) origin and development of root initials; and...
Resource Type:: Dissertation
Full Text:: . Fuchigami, W, D. Hohenboken and T. C. Moore for their guidance during my graduate program and in

Nutrient cycling under 450-year-old Douglas-fir stands

Creator:: Abee, Albert
Abstract:: To investigate the movement of elements (N, P, k, Ca, and Mg) from the tree crowns by natural litterfall and leave wash, plots were established on six 450 year-old growth stands at the H. J. Andrews Experimental Forest. The following are the results of the data analyses. Elemental concentrations contained...
Resource Type:: Masters Thesis
Full Text:: litterfall. Together, the needle, cone, and twig litterfall accounted for 84% of the total nutrient input

Microdistribution and retention of chloropicrin in wood

Creator:: Goodell, Barry Scott
Abstract:: Quantitative and qualitative information on the retention of chlorinated residues in chloropicrin treated wood is lacking. Retention of chloropicrin and its chemical breakdown products in wood, and the effects of chloropicrin treatment of wood on invading decay fungi are explored in this thesis. Chlorinated residues in amounts up to 1.5%...
Resource Type:: Dissertation
Full Text:: to 1.5% (w/w, as determined by neutron activation analysis) were present in Douglas-fir wood exposed

Genetics of Douglas-fir

Creator:: Silen, Roy R. and United States. Forest Service
Resource Type:: Other
Full Text:: Phenology _ 19 Resistances __- 19 Cone Production 19 Controlled Pollination 19 Testing ___ 20

Forest planting in the Douglas-fir region

Creator:: Kum̈mel, Julius Frank, Rindt, Charles A., 1903-, Munger, Thornton T. (Thornton Taft), 1883-, and United States. Forest Service
Resource Type:: Other
Full Text:: - - - - - - - - - - - - - - -- 38 Location 38 Climate ------------ - - - - - - - -- 38 1 Cone i

ScholarsArchive@OSU

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

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

Pollen contamination trends in a maturing Douglas-fir seed orchard

Influences of shoot origin and certain pre- and post-severance treatments on the rooting and growth characteristics of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stem cuttings

Silvicultural impacts of sheep grazing in Oregon's Coast Range

Root initiation and elongation in Douglas-fir, Pseudotsuga menziesii (Mirb.) franco, stem cuttings as related to bud and cambial activity

Nutrient cycling under 450-year-old Douglas-fir stands

Microdistribution and retention of chloropicrin in wood

Genetics of Douglas-fir

Forest planting in the Douglas-fir region

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