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Creator:: Starbuck, Christopher J.
Abstract:: Experiments were conducted to determine if the plagiotropic growth habit of rooted cuttings of Douglas-fir might result from a system favoring the accumulation of indoleacetic acid in the adaxial side of the shoot in response to vertical placement. Actively growing excised branch terminals were subjected to gravitational disorientation to determine...
Resource Type:: Dissertation
Full Text:: members of my graduate committee: Drs. L. H. Fuchigami, P. J. Breen, W. S. McGuire, R. S. Quatrano

Creator:: Chen, Chi-sin
Abstract:: Chemical and microbial analyses were made at four seasonal intervals on soil horizons under red alder, conifers, and mixed alder-conifers at the Cascade Head Experimental Forest, established in 1937 by the U. S. Forest Service near Otis, Oregon. Microbial analyses showed that although plate counts of molds and bacteria fluctuated...
Resource Type:: Dissertation
Full Text:: -conifers at the Cascade Head Experimental Forest, estab- lished in 1937 by the U. S. Forest Service near

Creator:: Acuna, Mauricio A.
Abstract:: There are a number of wood properties which affect the quality of forest products such as lumber and pulp. Of these, wood density is considered by some to be the single most important physical characteristic because it is an excellent predictor of strength, stiffness, hardness, and paper-making capacities. Accurately assessing...
Resource Type:: Dissertation
Full Text:: et al. 1989; Kennedy 1995). Jozsa and Kellogg (1986) examined the density pattern from pith to

Creator:: Dougal, Edward Francis
Abstract:: Because Douglas-fir [Pseudotsuga menziesii(Mirb.)Franco] bark is a raw material produced in our renewable forests along with wood, an understanding of the ultrastructure of bark cells is of paramount importance if wood technologists are to utilize the bark to the fullest potential. The objectives of this study were to develop microscopic...
Resource Type:: Dissertation
Full Text:: Douglas-fir bark showing a sclereid (s) that differentiated from a strand parenchyma cell. 5 Isolated

Creator:: Lavender, Denis Peter, 1926-
Resource Type:: Dissertation
Full Text:: . 119• Mineral Nutrients 120 Growth Response 132 136Light. S~il Moisture • 141 SUMMARY. 143

Creator:: Sorensen, Frank C.
Resource Type:: Dissertation
Full Text:: often be expected. 31 RESULTS AND DISCUSSION Photosynthe s is Effect of age on net photosynthesis

Creator:: Musbah, Durria Abdel Azim
Abstract:: Chemical stains that develop on commercial woods are problems of great economic importance. The polyphenol oxidases catalyze the oxidation of the phenolics that naturally exist in plants to quinones when the cell structure is disrupted. The quinones produced are further oxidized and polymerized to melanin, the pigment which is responsible...
Resource Type:: Dissertation

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