Contents
- Occurrence and Trends of Weed Seed Contaminants in Fine Fescue Seed Lots in Oregon
- Effect of Strobilurin Fungicides Applied at Two Timings on Seed Yield in Tall Fescue
- Irrigation and PGR Effects on Red Clover Seed Production
- Interaction of Trinexapac-Ethyl and Applied Nitrogen Increases Seed Yield in Perennial Ryegrass and Tall Fescue
- Annual Bluegrass Management with Pyroxasulfone and Flumioxazin in Perennial Ryegrass and Tall Fescue Grown For Seed
- Spatial Patterns of Claviceps purpurea in Kentucky Bluegrass and Perennial Ryegrass Grown for Seed and Effect of Soil-Applied Fungicides on Germination of Ergot Sclerotia
- Expression of Germination and Fluorescence in Annual Ryegrass Samples after Seven and Fourteen Day Germination Periods
- Feasibility of Reducing the Duration of Germination and Fluorescence Tests for Perennial Ryegrass(Lolium perenne L.)
- Char-Amended Acid Farm Soils – Effects on Soil Chemistry and Wheat Growth
- Comparison of Purity Test Results of Various Grass Species Using Automatic Sampler vs. Probe Sampling
- Choke Stroma Expression in Orchardgrass with Different Nitrogen Application Rates and Timings
- Identifying Western Oregon Crops by Satellite Imagery in the Absence Current Year Ground-Truth Data
- Progress on Stem Rust Resistance Genetics in Perennial Ryegrass
- Potential for Management of the Clover Crown Borer Pest in Red Clover Seed Production Using Biological Control
- Alkali Grass Removal Program for Central Oregon
- Medusahead (Taeniatherum caput-medusae) Control with Pre-emergence Herbicides Labeled in Kentucky Bluegrass Applied at 3 Fall Application Timings
Author Index
The following authors have contributed to this report. Use of a commercial or proprietary product in research does not constitute an endorsement of the product by the U.S. Department of Agriculture or Oregon State University.
Central Oregon Agricultural Research Center
G. Sbatella, Assistant Professor, Weed Scientist
- Alkali Grass Removal Program for Central Oregon
- Medusahead (Taeniatherum caput-medusae) Control with Pre-emergence Herbicides Labeled in Kentucky Bluegrass Applied at 3 Fall Application Timings
S. Twelker, Biological Sciences Research Technician
- Alkali Grass Removal Program for Central Oregon
- Medusahead (Taeniatherum caput-medusae) Control with Pre-emergence Herbicides Labeled in Kentucky Bluegrass Applied at 3 Fall Application Timings
Cooperative Extension Service – OSU
N.P. Anderson, North Valley Extension Field Crops Agent, Washington, Yamhill and Polk Counties
- Effect of Strobilurin Fungicides Applied at Two Timings on Seed Yield in Tall Fescue
- Irrigation and PGR Effects on Red Clover Seed Production
D.L. Walenta, Extension Crops Specialist, Union County
Department of Crop and Soil Science – OSU
T.G. Chastain, Associate Professor, Seed Crop Physiology
- Effect of Strobilurin Fungicides Applied at Two Timings on Seed Yield in Tall Fescue
- Irrigation and PGR Effects on Red Clover Seed Production
- Interaction of Trinexapac-Ethyl and Applied Nitrogen Increases Seed Yield in Perennial Ryegrass and Tall Fescue
A.R. Corkery, Technician, Entomology
D.W. Curtis, Faculty Research Assistant, Weed Science
S. Elias, Associate Professor, Senior Research, Seed Science and Technology
- Occurrence and Trends of Weed Seed Contaminants in Fine Fescue Seed Lots in Oregon
- Expression of Germination and Fluorescence in Annual Ryegrass Samples after Seven and Fourteen Day Germination Periods
- Feasibility of Reducing the Duration of Germination and Fluorescence Tests for Perennial Ryegrass (Lolium perenne L.)
- Char-Amended Acid Farm Soils – Effects on Soil Chemistry and Wheat Growth
- Comparison of Purity Test Results of Various Grass Species Using Automatic Sampler vs. Probe Sampling
A. Garay, Manager of OSU Seed Laboratory
- Expression of Germination and Fluorescence in Annual Ryegrass Samples after Seven and Fourteen Day Germination Periods
- Feasibility of Reducing the Duration of Germination and Fluorescence Tests for Perennial Ryegrass (Lolium perenne L.)
C.J. Garbacik, Senior Faculty Research Assistant, Seed Crop Physiology
- Irrigation and PGR Effects on Red Clover Seed Production
- Interaction of Trinexapac-Ethyl and Applied Nitrogen Increases Seed Yield in Perennial Ryegrass and Tall Fescue
R. Hankins, Instructor and Seed Certification Specialist
G.D. Hoffman, Faculty Research Assistant, Integrated Pest Management
A.G. Hulting, Associate Professor, Extension Weeds Specialist
- Occurrence and Trends of Weed Seed Contaminants in Fine Fescue Seed Lots in Oregon
- Annual Bluegrass Management with Pyroxasulfone and Flumioxazin in Perennial Ryegrass and Tall Fescue Grown For Seed
C.A. Mallory-Smith, Professor, Weed Science
S. Rao, Professor, Entomology
- Choke Stroma Expression in Orchardgrass with Different Nitrogen Application Rates and Timings
- Potential for Management of the Clover Crown Borer Pest in Red Clover Seed Production Using Biological Control
K.C. Roerig, Faculty Research Assistant, Weed Science
W.C. Young III, Professor Emeritus, Extension Seed Production
Department of Horticulture – OSU
D. Bruck, Courtesy Research Entomologist (USDA-ARS)
Hermiston Agricultural Research and Extension Center
P.B. Hamm, Station Director and Professor Emeritus
Hermiston Experiment Station
J.K.S. Dung, Postdoctoral Scholar, Plant Pathology
National Forage Seed Production Research Center - USDA-ARS
S.C. Alderman, Professor and Research Plant Pathologist
- Spatial Patterns of Claviceps purpurea in Kentucky Bluegrass and Perennial Ryegrass Grown for Seed and Effect of Soil-Applied Fungicides on Germination of Ergot Sclerotia
- Occurrence and Trends of Weed Seed Contaminants in Fine Fescue Seed Lots in Oregon
G.M. Banowetz, Research Plant Physiologist and Research Leader
B.L. Barnhart, Research Physical Scientist
S.M. Griffith, Professor and Research Plant Physiologist
- Char-Amended Acid Farm Soils – Effects on Soil Chemistry and Wheat Growth
- Identifying Western Oregon Crops by Satellite Imagery in the Absence Current Year Ground-Truth Data
G.W. Mueller-Warrant, Associate Professor and Research Agronomist
W. Pfender, Research Plant Pathologist
G.W. Whittaker, Research Hydrologist
Private Industry
D. Gady, Engineer, Farm Power, Rockford, WA
Credits
This report has been published with a grant from the Oregon Seed Council
Appreciation is expressed to the Officers of the 2012-2013 Oregon Seed Council:
Nick Bowers, President
Bill Dunn, First Vice President
Denver Pugh, Second Vice President
Don Doerfler, Treasurer
Roger Beyer, Executive Director
Business Address
Oregon Seed Council
494 State Street, Suite 220
Salem, OR 97301
Tel: (503) 585-1157
FAX: (503) 585-1292
E-mail: roger@rwbeyer.com
www.OregonSeedCouncil.org
Sincere appreciation is also extended to the growers who have allowed trials to be conducted on their farms. Data presented in many of the research reports would not be available without their cooperation.
Lastly, appreciation is also expressed to Ms. Tracy Mitzel for her conscientious attention to detail in formatting this manuscript for publication.
Now available online at http://cropandsoil.oregonstate.edu/seed-ext