Index Catalog // ScholarsArchive@OSU

Etiology and pathogenesis of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata

Creator:: Vandenberg, J. D. (John Donald)
Abstract:: Chalkbrood is a mycosis of larvae of the alfalfa leafcutting bee, Megachile rotundata (Fabricius). It is a serious threat to alfalfa seed growers in western North America who use populations of this bee for pollination. Basic studies were conducted to determine the etiology of this disease and the course of...
Resource Type:: Dissertation
Full Text:: . Denison and M. E. Martignoni, personal communications). Sporulation of A. aggregata has not been achieved

The effect of heterozygosity on phenotypic stability in spring barley

Creator:: Smith, Garry Austin
Abstract:: The effect of heterozygosity on the phenotypic stabilities of six morphological plant characteristics was studied in hybrid crosses of two self-pollinated barley species Hordeum vulgare L., emend Lam. and Hordeum distichum L., emend Lam. Experimental material consisting of parents and their F₁ diallel progeny were grown at two field locations...
Resource Type:: Dissertation
Full Text:: . M. E. Harward, who served on my graduate advisory committee. To my wife, Patsy Jo, special

A comparison of porous polymers used in collecting organic volatiles in foods

Creator:: Boyko, Alayne Linda
Abstract:: Porapak Q, Chromosorb 102, and Tenax GC, three porous polymers commonly used as adsorbents in headspace analyses were investigated. The retention times of various low-boiling compounds relative to water were measured on the collection columns to determine which compounds would be lost during the water removal step employed after sampling...
Resource Type:: Masters Thesis
Full Text:: thank Dr„ R. A. Scanlan and Dr. Mo E. Morgan for their suggestions and guidance during the

Utilization of wastes from Pacific whiting surimi manufacturing : proteinases and protein hydrolysate

Creator:: Benjakul, Soottawat
Abstract:: Both liquid and solid wastes from Pacific whiting surimi manufacturing were characterized and value-added products were recovered. A proteinase in surimi wash water (SWW) was determined to be cathepsin L with Mr 54,200 on SDS-substrate gel. Heat treatment and acidification shifted the activity zone to M [subscript r] 39,500. No...
Resource Type:: Dissertation
Full Text:: -calpain (|iM Ca2+-dependent) and m-calpain (mM Ca2+-dependent) appear to be sarcoplasmic enzymes which

The role of ethanol and certain ethyl esters in the fruity flavor defect of Cheddar cheese

Creator:: Bills, Donald D.
Abstract:: During the course of ripening, Cheddar cheese frequently develops a flavor defect described as fruity. Recent work has indicated that the use of certain starter cultures ultimately results in the development of the defect as the cheese ages. The flavor compounds responsible for the defect, however, have not been elaborated....
Resource Type:: Dissertation
Full Text:: , 1966 Typed by Opal Grossnicklaus ACKNOWLEDGMEN TS I would like to thank Dr. E. A. Day

Assessing the Impacts of the Red Imported Fire Ant on First-Generation Monarch Butterfly Reproductive Success in a Texas Coastal Prairie

Creator:: Sutherland, Remy C.
Abstract:: In recent years, monarch butterfly (Danaus plexippus) populations have declined at an alarming rate resulting in an extensive conservation effort across the species’ migratory range. One hypothesis for declining populations is decreased reproductive success during spring migration. The eastern monarch population’s first annual generation occurs in the early spring when...
Resource Type:: Masters Thesis
Full Text:: . Zylstra, E. R., L. Ries, N. Neupane, S. P. Saunders, M. I. Ramírez, E. Rendón-Salinas, K. S. Oberhauser

Determining the Superior Staffing Method in Assisted Living Facilities: Ratios versus Acuity-Based Staffing

Creator:: Finley, Tera R.
Abstract:: Assisted living facilities represent a large portion of the long-term care facilities in the United States. Although there are not uniform policies regulating assisted living facilities, debates on the best way to ensure adequate staffing center on two approaches: required ratios or acuity-based staffing. The purpose of this study is...
Resource Type:: Capstone Project
Full Text:: , 2023 APPROVED: Sally K. Gallagher, representing Sociology Mark E

The Public, The Forest, and The Conflict: A Case Study of Wendell State Forest

Creator:: McKeown, Christina K.
Abstract:: Forest management is an important mechanism that provides social, ecological, and economic benefits to the community. On public lands, management is often initiated for multi-use objectives. However, both history and research have proven that the level of acceptance for harvesting on public lands varies both temporally and spatially. Public perceptions...
Resource Type:: Capstone Project
Full Text:: mckeownc@oregonstate.edu MNR 561 2 | M c K e o w n ABSTRACT Forest management is an important

Examining the Effects on Salivary Cortisol Levels of Shelter Volunteers Interacting with Familiar Dogs

Creator:: Duvall, Holly K.
Abstract:: Heightened cortisol levels are a typical physiological response to stress. The many responsibilities of animal shelter workers can lead to increased stress levels and negative effects on their job satisfaction and overall wellness. As a result, workers are subject to burnout and compassion fatigue. While working in shelter environments may...
Resource Type:: Honors College Thesis
Full Text:: . E., Rosenlicht, G., Saturn, S. R., & Udell, M. A. R. (2017). Nasally-Administered Oxytocin Has

Paleozoic geology of the Dobbin Summit-Clear Creek area, Monitor Range, Nye county, Nevada

Creator:: Wise, Diane
Abstract:: Paleozoic limestones, dolomites, quartz arenites, and other clastic rocks were mapped in the vicinity of Dobbin Summit and Clear Creek in the central Monitor Range. Sedimentary rock units present in this area represent the shallow-shelf eastern assemblage and basin and also the basin-slope facies of the traditional limestoneclastic assemblage. The...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Etiology and pathogenesis of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata

The effect of heterozygosity on phenotypic stability in spring barley

A comparison of porous polymers used in collecting organic volatiles in foods

Utilization of wastes from Pacific whiting surimi manufacturing : proteinases and protein hydrolysate

The role of ethanol and certain ethyl esters in the fruity flavor defect of Cheddar cheese

Assessing the Impacts of the Red Imported Fire Ant on First-Generation Monarch Butterfly Reproductive Success in a Texas Coastal Prairie

Determining the Superior Staffing Method in Assisted Living Facilities: Ratios versus Acuity-Based Staffing

The Public, The Forest, and The Conflict: A Case Study of Wendell State Forest

Examining the Effects on Salivary Cortisol Levels of Shelter Volunteers Interacting with Familiar Dogs

Paleozoic geology of the Dobbin Summit-Clear Creek area, Monitor Range, Nye county, Nevada

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