Index Catalog // ScholarsArchive@OSU

Effectiveness of pheromone mating disruption for the ponderosa pine tip moth, Rhyacionia zozana (Kearfott) (Lepidoptera: Tortricidae), and its influence on the associated parasite complex

Creator:: Niwa, Christine Gail
Abstract:: The importance of pheromones in insect control relies both on their ability to reduce pest populations and on their relatively benign effects on nontarget organisms. This study was conducted to test the effectiveness of a pheromone application for mating disruption of the ponderosa pine tip moth, Rhyacionia zozana (Kearfott), and...
Resource Type:: Dissertation
Full Text:: ponderosa pine tip moth, Rhyacionia zozana, in California (Lepidoptera: Olethreutidae). Ann. Entomol. Soc

Endosperm morphogenesis in wheat (Triticum aestivum L.)

Creator:: Huber, Andrew Gail, 1944-
Abstract:: Wheat endosperm morphogenesis was studied by light microscopy during the entire growth period of anthesis to maturity. Four developmental stages have been described in this thesis: (1) double fertilization, (2) formation of the lower endosperm cells, (3) termination of nuclear divisions, and (4) initiation of protein bodies. The first manuscript...
Resource Type:: Dissertation

Champoeg, a perspective of a frontier community in Oregon, 1830-1861

Creator:: Speulda-Drews, Lou Ann
Abstract:: Champoeg, located along the Willamette River, developed as a transportation center for both river and overland travel and as a shipping point for agricultural products. Retired employees of the Hudson's Bay Company were the first to settle in the area, in the 1830s. American settlers began arriving in large numbers...
Resource Type:: Masters Thesis
Full Text:: , 1830-1861 AN ABSTRACT OF THE THESIS OF Lou Ann Speulda Nicholls for the degree of Master of Arts in

A study of factors affecting child-centered teaching in elementary grades

Creator:: Hatch, Lynda Sylvia
Abstract:: Some elementary teachers want to be more child-centered in their teaching. They are trying to consider the needs of the students before the coverage of curriculum. Much of the inspiration for this educational approach has come from the British primary schools. The purpose of this study was to see if...
Resource Type:: Dissertation
Full Text:: . Lee Jenkins Dr. Jo Ann Brewer Dr. Jake Nice Dr. Perry Brown Dr. John Buckhouse for their patience

Horticultural weed control report : 1980-81

Creator:: Oregon State University. Department of Horticulture
Abstract:: Crops were grown using accepted cultural practices within the limits of experimentation or trials were conducted on growers' fields, Most experiments were designed as randomized complete blocks with two to five replications. Herbicide treatments were applied uniformly with equipment ranging from precision plot sprayers to quart jars (granular applications). Unless...
Resource Type:: Technical Report
Full Text:: part of this work possible. Compiled by: R. D. William and G. Crabtree Contributors: Gail Barth

The Porter house in Shedd, Oregon, circa 1874

Creator:: Willson, Mary
Abstract:: The 109-year-old Porter house in Shedd, Oregon is one of few remaining, well-preserved examples of Rural Gothic architecture in the Willamette Valley. This study attempts to record its history: the economic circumstances which led the pioneering David Putnam Porter family to build this relatively large house, the family background, and...
Resource Type:: Masters Thesis
Full Text:: . Pamela Ulrich--deserve thanks for their contributions. I am indebted to Gail Grill for her timely

OSU theses and dissertations : 1978-1982

Creator:: Leasher, Evelyn M.
Abstract:: The bibliographic series contains a listing of all theses and dissertations accepted by the University from 1932 to date.
Resource Type:: Book
Full Text:: dissertations may be obtained from University Microfilms, Ann Arbor, Michigan. The bibliographic series

OSU theses and dissertations : 1970-1977

Creator:: Brown, Pia Tollo
Abstract:: This compilation of theses and dissertations (a part of the OSU Bibliographic Series) for the period 1970-1977 reflects this university's emphasis on research and graduate study. It may be viewed as an indicator of the contributions made to the state of Oregon through graduate study and research at Oregon State...
Resource Type:: Book
Full Text:: . University Microfilms in Ann Arbor, Michigan provides this service for doctoral works through Dissertation

Timber lines ; Vol. 27 (April 1987)

Creator:: United States. Forest Service. Pacific Northwest Region. Thirty Year Club
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: STAFF Editor MERLE S. LOWDEN Assistant Editor GAIL BAKER Publisher R-6 THIRTY YEAR CLUB In Memorium GAIL

Timber lines ; Vol. 28 (April 1989)

Creator:: United States. Forest Service. Pacific Northwest Region. Thirty Year Club
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: Locked Up Tight Gail Baker 32 Mashed Beef At Dawn Bob Mercer 33 Marion Lake Experiences Ken Wilson 34

ScholarsArchive@OSU

Effectiveness of pheromone mating disruption for the ponderosa pine tip moth, Rhyacionia zozana (Kearfott) (Lepidoptera: Tortricidae), and its influence on the associated parasite complex

Endosperm morphogenesis in wheat (Triticum aestivum L.)

Champoeg, a perspective of a frontier community in Oregon, 1830-1861

A study of factors affecting child-centered teaching in elementary grades

Horticultural weed control report : 1980-81

The Porter house in Shedd, Oregon, circa 1874

OSU theses and dissertations : 1978-1982

OSU theses and dissertations : 1970-1977

Timber lines ; Vol. 27 (April 1987)

Timber lines ; Vol. 28 (April 1989)

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