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Life history studies in Monostroma fuscum (Post. and Rupr.) Wittr.

Creator:: Dube, Maurice Andrew
Resource Type:: Dissertation
Full Text:: .) Wittr. LIFE HISTORY STUDIES IN MONOSTROMA FUSCUM (POST. AND RUPR.) WITTR. by MAURICE ANDREW DUBE

The effects of abscisic acid on protein synthesis in mature and immature embryos of wheat

Creator:: Mansfield, Michael Andrews
Resource Type:: Masters Thesis
Full Text:: stained in 0.1% (w/v) Coomassie brilliant blue R 250 in methanolsdistilled waters glacial acetic acid (5

The influence of tree cover and shade pattern upon the distribution of understory plants in ponderosa pine stands of central Oregon

Creator:: Robinson, Andrew Frederick, Jr.
Abstract:: Seven sites of uniform topography and soil were selected within a self perpetuating ponderosa pine forest found on the eastern flank of the central Oregon Cascades. These plots were located along a vegetational gradient caused mainly by an orographic rain shadow. Data gathered included density, frequency, and cover for all...
Resource Type:: Masters Thesis
Full Text:: Distribution of Understory Plants in Ponderosa Pine Stands of Central Oregon AN ABSTRACT OF Andrew Frederick

Pathogenic causes of premature decline and death of alsike clover, Trifolium hybridum L., in central Oregon

Creator:: Corden, Malcolm Ernest
Resource Type:: Dissertation
Full Text:: JIttø The author wishes to express his appreciation to Dr. John R. Hardison for counsel during the

Biology of symbiotic fungi associated with Ambrosia beetles of western United States

Creator:: Roeper, Richard Allen
Abstract:: Eight primary ambrosia fungi, Raffaelea canadensis, R. sulcati, Ambrosiella brunnea, A. ferruginea, A. gnathotrichi, A. hartigii, A. sulcati, and A. sulphurea (Fungi Imperfecti), were found in association with 11 ambrosia beetle species (Scolytidae and Platypodidae). The fungi are reported from new beetle symbionts, new tree hosts, and/or increased geographical distribution....
Resource Type:: Dissertation
Full Text:: . Denison Eight primary ambrosia fungi, Raffaelea canadensis, R. sulcati, Ambrosiella brunnea, A

A contribution toward a bibliography of Oregon botany with notes on the botanical explorers of the state

Creator:: Osborn, Katherine H., 1906-
Resource Type:: Masters Thesis
Full Text:: bibliography was stiniu- lated by the usefulness of the bibliography of Oregon geology prepared by R. C

Taxonomy of desert truffles : the genera Phaeangium and Tirmania

Creator:: Alsheikh, Abdulmagid M.
Abstract:: Mycorrhizal fungi are important in food production of arid lands. The desert truffles not only form a symbiotic association with range plants but also form fruiting bodies which are both prized as food and nutritious. The taxonomy and ecology of two genera of desert truffles are treated in this thesis....
Resource Type:: Masters Thesis
Full Text:: Patouillard, synonymized with Picoa by R. Maire, is resurrected. Phaeangium has ornamented spores at

Description and classification of the forests of the upper Illinois River drainage of Southwestern Oregon

Creator:: Atzet, Thomas
Abstract:: The purpose of this study was to develope a plant community classification within the Siskiyou mountains, a small range within the Klamath geological province well known for its geologic and floristic diversity. Forest land managers have expressed the need for identification of basic Land classes that will aid in the...
Resource Type:: Dissertation
Full Text:: Bentley and Andrew Kier provided field and office help as well as many penetrating questions during the

The role of ethylene in ectomycorrhiza formation and Fusarium infection of Douglas fir roots

Creator:: Graham, James Herbert
Abstract:: The ectomycorrhizal fungi Cenococcum geophilum, Hebeloma crustuliniforme and Laccaria laccata produced ethylene in vitro in modified Melin-Norkrans liquid medium only if amended with 2.5 to 10 mM methionine; Pisolithus tinctorius failed to produce ethylene unless the cultures were renewed with fresh methionine-amended medium prior to ethylene assay. An additional 19...
Resource Type:: Dissertation

Spatial and chronological patterns of Purshia tridentata as influenced by Pinus ponderosa overstory

Creator:: Sherman, Robert James
Abstract:: Twelve sites of uniform topography and soils were selected in the Pinus ponderosa/Purshia tridentata/Festuca idahoensis Association. These sites were located in the rain shadow on the east flank of the Oregon Cascades. A fire history in the form of fire scars on ponderosa pine was available for nine of these...
Resource Type:: Masters Thesis
Full Text:: fire scars on a ponderosa pine near Plot C. . 'r:;.. C`==i.i Figure 5. Photographic view of Plot I

ScholarsArchive@OSU

Life history studies in Monostroma fuscum (Post. and Rupr.) Wittr.

The effects of abscisic acid on protein synthesis in mature and immature embryos of wheat

The influence of tree cover and shade pattern upon the distribution of understory plants in ponderosa pine stands of central Oregon

Pathogenic causes of premature decline and death of alsike clover, Trifolium hybridum L., in central Oregon

Biology of symbiotic fungi associated with Ambrosia beetles of western United States

A contribution toward a bibliography of Oregon botany with notes on the botanical explorers of the state

Taxonomy of desert truffles : the genera Phaeangium and Tirmania

Description and classification of the forests of the upper Illinois River drainage of Southwestern Oregon

The role of ethylene in ectomycorrhiza formation and Fusarium infection of Douglas fir roots

Spatial and chronological patterns of Purshia tridentata as influenced by Pinus ponderosa overstory

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