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Creator:: Noren, Carl Albin
Abstract:: Quarantine and inspection as generally applied, both in the past and at present, has been limited to horticultural plants and horticultural plant products as nursery stock including trees, shrubs, vines, cuttings, ornamentals, scions, buds, rootings, bulbs, herbs, dried fruits, etc. This application is without a question too narrow, as it...
Resource Type:: Undergraduate Thesis
Full Text:: fruits, nursery stock, and ornamentals were often refused en- trance on account of being infected with

Creator:: Fisher, Joanna J.
Abstract:: The entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana are commercially available as microbial control agents for the black vine weevil, Otiorhynchus sulcatus (F.) (Coleoptera: Curculionidae), the key root-feeding insect pest in Pacific Northwest small fruits and ornamentals. Understanding habitat selection is critical to improve the efficacy, persistence and cost of...
Resource Type:: Honors College Thesis

Creator:: Heintzelman, Stuart A.
Resource Type:: Undergraduate Thesis
Full Text:: Chapter I. History and Characteristics. II. Commercial Importance. . . . III. Cork Production of the

Creator:: Caldwell, Stephanie E.
Abstract:: For the past 50 years, open-field burning has served as the main method to manage postharvest residue in grass seed fields within the Willamette Valley. Recently, farmers have implemented the full straw load and clean-nonthermal methods to remove straw after harvest. We hypothesized that these two alternative methods have caused...
Resource Type:: Honors College Thesis
Full Text:: Western Oregon is currently the world’s leading producer of cool-season forage and turf grass seed. At

Creator:: Brown, Melanie
Abstract:: The sagebrush ecosystem, home to numerous plant and animal species including big sagebrush (Artemisia tridentata) and the endemic greater sage-grouse (Centrocercus urophasianus), has endured fragmentation and degradation of both quantity and quality due to the cumulative and synergistic relationships between an abundance of individual disturbances including grazing, invasive annuals and...
Resource Type:: Undergraduate Thesis
Full Text:: ), has endured fragmentation and degradation of both quantity and quality due to the cumulative and

Creator:: Roig-Paul, Mireia
Abstract:: Phytophthora ramorum is the causal agent of Sudden Oak Death (SOD), which is an economically and environmentally important disease causing up to 80% mortality of tanoaks in Pacific Northwest coastal forests (LeBoldus et al., 2022). There are currently four clonal lineages in the United States and Europe, named North America...
Resource Type:: Undergraduate Thesis
Full Text:: Baccalaureate of Science in BioResource Research, Plant Growth and Development Option May 15 2023

ScholarsArchive@OSU