Index Catalog // ScholarsArchive@OSU

Creator:: Klein, Matthew L.
Abstract:: Potato (Solanum tuberosum L.) is the fourth largest food crop in the world following rice (Oryza sativa L.), wheat (Triticum spp.), and maize (Zea mays subs. mays). Potatoes arrived in the United States in the early 1600s and over the following centuries, the crop was subsequently cultivated across the country...
Resource Type:: Masters Thesis
Full Text:: annually (USDA 2008, Beeles 2016). Insect pests Insects, have been studied by entomologists for

Creator:: Ersch, Erica A.
Abstract:: A causative factor in declining greater sage-grouse (Centrocercus urophasianus) populations is reduced annual recruitment due to poor habitat quality. Sage-grouse population decline is concurrent with a decline in the extent and quality of the sagebrush (Artemisia sp.) biome. However, current research has shown a positive relationship between sage-grouse brood and...
Resource Type:: Masters Thesis
Full Text:: Viable Seed Bank Composition under Western Juniper in

Creator:: Light, Sarah Elizabeth
Abstract:: Although the potato (Solanum tuberosum L.) is a global crop, few growing regions rival the high yields of the Columbia Basin of Eastern Oregon and Washington. Two research projects were conducted in Hermiston, OR to contribute to best management practices for the region. The first project evaluated the efficacy of...
Resource Type:: Masters Thesis
Full Text:: untreated controls. These six treatments, as well as salicylic acid, were then used as potato seed

Creator:: Green, Jessica M.
Abstract:: Weed management in sustainable farming systems often requires the integration of several different pest management techniques. Cultural, biological, and chemical pest control efforts can be utilized to contribute to the common goal of reducing weeds in vegetable row crop systems. This research addresses how common disturbances such as tillage and...
Resource Type:: Masters Thesis
Full Text:: herbivore. The common perception is that buried seed is unavailable to predation by granivorous insects

Creator:: Haavisto, Jessica Lee
Abstract:: Hare barley (Hordeum murinum ssp. leporinum) is a cool season annual grass that invades pastures and range areas around the world. A documented weed management issue in several Oregon counties, hare barley may infest several thousand acres in western Oregon. This study was conducted to investigate the biology and develop...
Resource Type:: Masters Thesis
Full Text:: day model to understand when viable seed is produced in hare barley. We determined that viable seed

Creator:: Laws, Margaret S.
Abstract:: Lepidium latifolium L. (perennial pepperweed, LEPLA) is an exotic invader throughout western North America. At Malheur National Wildlife Refuge (MNWR) in southeast Oregon, it has invaded about 10% of meadow habitats that are important for wildlife. This study's objective was to determine the most effective and least environmentally harmful treatment...
Resource Type:: Masters Thesis
Full Text:: Conservation Service (NRCS), Bozeman, Montana provided grass seed for revegetation efforts. Mark Stannard of

Creator:: Dinger, Eric J.
Abstract:: Three studies were conducted to characterize and present early-seral competition between Douglas-fir seedlings and the surrounding vegetation communities during Pacific Northwest forest establishment. The first experiment served as the foundation for this dissertation and was designed to quantify tradeoffs associated with delaying forest establishment activities by introducing a fallow year...
Resource Type:: Dissertation
Full Text:: germinating from the existing seed bank, and seed dispersed to the site begin to simultaneously colonize

ScholarsArchive@OSU