Index Catalog // ScholarsArchive@OSU

A pioneer exotic tree search for the douglas fir region

Creator:: Silen, Roy R. and Olson, Donald L.
Abstract:: After three-quarters of a century of introduction of 152 conifer and broadleaf species, no promising candidate exotic was found for the Douglas-fir region. Growth curves spanning 50 years or longer are figured for many species. Firs, pines, larches, spruces, hemlocks, and cedars originating in northwestern North America had superior growth...
Resource Type:: Other
Full Text:: results from early reports and long -term conclusions. Keywords: Plant introduction, forest genetics

The power monopoly ; its make-up and its menace

Creator:: Pinchot, Gifford, 1865-1946
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: Co. 251 Standard Gas & Electric Co. 225 United Gas Improvement Co. 177 United Light & Power Co. 221

Ash

Creator:: Stewart, Harold A., Krajicek, John E., and United States. Forest Service
Resource Type:: Technical Report
Full Text:: American trees (exclusive of Mexico and tropical United States). Ja. State College Press, Ames, 371 p

Potato psyllid vector of zebra chip disease in the Pacific Northwest : biology, ecology, and management

Creator:: Rondon, Silvia I., Schreiber, Alan, Jensen, Andrew S., Hamm, Philip B., Munyaneza, Joseph, Nolte, Phillip, Olsen, Nora, Wenninger, Erik, Henne, Don, Wohleb, Carrie, Waters, Tim, and Oregon State University. Extension Service
Abstract:: This publication addresses the emergent issue in the Pacific Northwest of a potato infection called zebra chip disease, vectored by the potato psyllid. Includes information on the bacterium, the biology of the vector, description of damage from both vector and non-vector psyllids, and most current research on management.
Resource Type:: Technical Report
Full Text:: the southwestern United States, particularly Texas. ZC was first recorded in Idaho and the Columbia

Jointed goatgrass : outcrossing, competition with winter wheat, and response to timing and rate of imazamox

Creator:: Cannon, Joshua B.
Abstract:: Jointed goatgrass (Aegilops cylindrica Host.) is a serious weed problem in wheat (Triticum aestivum L.) production in the United States. Studies were conducted to determine the outcrossing rate, competitive ability, and effectiveness of certain control practices on jointed goatgrass. A field study was conducted over two years at four locations...
Resource Type:: Masters Thesis
Full Text:: .) production in the United States. Studies were conducted to determine the outcrossing rate, competitive

Agricultural Quarantine and Inspection in the United States

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:: the initiative and a quarantine against nearly all plant life was passed by that state in 1881. This

The public forage pricing implications of public/private market interdependence

Creator:: Collins, Alan
Resource Type:: Dissertation
Full Text:: lease markets in the Western United States. Thus, market interdependence in Harney County provides a

Political economy and trade effects of invasive species regulation : the case of noxious weeds

Creator:: Min, He
Abstract:: Many non-native weed pests of food, fiber, and nursery crops pose threats to U.S. environment and agriculture. Noxious weed regulations play an important role in preventing the introduction and spread of non-native plants, thereby protecting the local biodiversity, environment and economic activities. However, these regulations could also hamper agricultural trade....
Resource Type:: Dissertation
Full Text:: ). Several provisions of the Federal Seed Act (FSA) and Plant Protection Act (PPA) control the introduction

Synthesis of knowledge on the effects of fire and thinning treatments on understory vegetation in U.S. dry forests

Creator:: Oregon State University. Agricultural Experiment Station, Bartuszevige, Anne M., and Kennedy, Patricia L.
Abstract:: "... One goal of this document is to synthesize the literature on the effects of mechanical thinning on understory plant species. A second goal is to document the effect of prescribed burning on rare, threatened, or endangered species. We review current literature on studies that address effects of prescribed fire...
Resource Type:: Technical Report
Full Text:: 1095 7 INTRODUCTION Most North American forest plant species evolved under the influence of fire

Spatial and temporal effects of atmospheric deposition, climate, and land management on forest nutrient cycling and biodiversity

Creator:: McDonnell, Todd C.
Abstract:: Emissions largely associated with the combustion of fossil fuels and agriculture has caused elevated atmospheric deposition of nitrogen (N) and sulfur (S) throughout much of the developed world. Increased atmospheric deposition of N and S can lead to soil and surface water acidification and affect forest soil nutrient supply. The...
Resource Type:: Dissertation
Full Text:: : Estimating steady-state sulfur critical loads and exceedances ............................. 43 Introduction

ScholarsArchive@OSU

A pioneer exotic tree search for the douglas fir region

The power monopoly ; its make-up and its menace

Ash

Potato psyllid vector of zebra chip disease in the Pacific Northwest : biology, ecology, and management

Jointed goatgrass : outcrossing, competition with winter wheat, and response to timing and rate of imazamox

Agricultural Quarantine and Inspection in the United States

The public forage pricing implications of public/private market interdependence

Political economy and trade effects of invasive species regulation : the case of noxious weeds

Synthesis of knowledge on the effects of fire and thinning treatments on understory vegetation in U.S. dry forests

Spatial and temporal effects of atmospheric deposition, climate, and land management on forest nutrient cycling and biodiversity

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