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Monitoring pesticide resistance in Psylla pyricola Foerster from western Oregon pear orchards

Creator:: Follett, Peter A.
Abstract:: A modified slide-dip bioassay was used to survey and establish baseline resistance levels in Psylla pyricola Foerster from western Oregon orchards to four pesticides. Orchards selected in the Hood River, Rogue River and Willamette Valleys spanned a wide range of environmental and management conditions. During the study period of 1982-1983,...
Resource Type:: Masters Thesis
Full Text:: encouragement throughout the course of this project. Discussions with Dr. Peter H. Westigard and other

Effects of early season immigration on acaricide resistance of Tetranychus urticae Koch on strawberry in the California Pajaro and Salinas valleys

Creator:: Miller, Richard W. (Richard William), 1958-
Abstract:: In the Pajaro Valley near Watsonville, California, twospotted spider mite (Tetranychus urticae Koch) populations were surveyed in 1983 and '84 to detect the influence of immigrants from nursery plants or surrounding vegetation on subsequent resistance development to cyhexatin and formetanate in strawberry fields. Susceptible mites (cyhexatin LC50 = 0.0039 %...
Resource Type:: Masters Thesis
Full Text:: , Peter Westigard, Richard Converse and Arnold Appleby for their valuable advice and criticisms

Canola meal as a protein source in chicken diets

Creator:: Nassar, Abdul-Rahman H.
Abstract:: Several experiments involving broilers and laying hens were conducted with the primary goal of evaluating the feeding value of Canola meal (CM) in both broiler and laying hen rations. A secondary goal was to study the growth response of broilers receiving higher concentrations of CM in their starter diets to...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy George H. Arscott Several experiments involving broilers and laying hens were

Wave forces on submerged artificial reefs fabricated from scrap tires

Creator:: Kim, Tae In
Resource Type:: Masters Thesis
Full Text:: grateful to Dr. John H. Nath, Dr. Peter C. Klingeman and Dr. Bradford N.. Arnold for their participation

Examining Wave Attenuation Rates and Subsurface Pore Pressures Across Three Marsh Restoration Sill Structures on a Sandy Bed

Creator:: Converse, Jordan D.
Abstract:: With rising sea levels and more frequent exposure to extreme storms, coastlines worldwide are vulnerable to increased erosion and loss of natural marsh lands. In an effort to lessen these impacts, there is a growing practice of adapting hard or “gray” coastline protection techniques to more nature-based features that promote...
Resource Type:: Masters Thesis
Full Text:: f) Pensacola bay, FL g) Bay St Louis, MS h) San Francisco Bay, CA i) Willapa Bay, WA j) Arcata Bay

The Works Progress Administration in Oregon : An Administrative Overview

Creator:: Butcher, Karyle S.
Abstract:: The depression of the 1930s had an early effect on the state of Oregon. A decline in timber and agricultural production resulted in severe unemployment in the late 1920s. State and local charitable organizations attempted to care for the unemployed but they did not have the financial resources to do...
Resource Type:: Masters Thesis
Full Text:: . Donald H. Farness and Dr. Peter C. List for their advice and timely suggestions. I would also like to

Geostatistics applied to groundwater contaminant plume characterization

Creator:: Cooper, Richard Mark
Resource Type:: Masters Thesis
Full Text:: review of my thesis is greatly appreciated. Thanks are also due Dr. Richard H. Cuenca who not only

Hybrid visualization of asymmetric tensor fields : glyphs and hyperstreamlines

Creator:: Palke, Darrel
Abstract:: Asymmetric tensor fields are useful for understanding fluid flow and solid deformation. They present new challenges, however, for traditional tensor field visualization techniques such as hyperstreamline placement and glyph packing. This is because the physical behavior of tensors inside real domains where eigenvalues are real is fundamentally different from the...
Resource Type:: Masters Thesis

Photochemical transformations of phenolic compounds added to marine surface microlayers

Creator:: Lin, Kaijun
Resource Type:: Dissertation

A study of the sodium + potassium-activated adenosinetriphosphatase in brine shrimp Artemia salina, Nauplii

Creator:: Peterson, Gary Lee
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGEMENTS I wish to thank all the members of my committee, Drs. Frank P. Conte, Ronald H. Alvarado, Peter

ScholarsArchive@OSU

Monitoring pesticide resistance in Psylla pyricola Foerster from western Oregon pear orchards

Effects of early season immigration on acaricide resistance of Tetranychus urticae Koch on strawberry in the California Pajaro and Salinas valleys

Canola meal as a protein source in chicken diets

Wave forces on submerged artificial reefs fabricated from scrap tires

Examining Wave Attenuation Rates and Subsurface Pore Pressures Across Three Marsh Restoration Sill Structures on a Sandy Bed

The Works Progress Administration in Oregon : An Administrative Overview

Geostatistics applied to groundwater contaminant plume characterization

Hybrid visualization of asymmetric tensor fields : glyphs and hyperstreamlines

Photochemical transformations of phenolic compounds added to marine surface microlayers

A study of the sodium + potassium-activated adenosinetriphosphatase in brine shrimp Artemia salina, Nauplii

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