Publications Database

Annual Reports

Enter a combination of keywords, authors and/or year of publication to filter results.

Evaluation of N Fertilizer Rate and Timing on Wheat Yield

Series/Report Number: COARC2015

Abstract: This project sought to evaluate the effects of N rate and timing on yield and grain protein content in irrigated winter wheat grown in central...

Evaluation of New Fungicide Seed Treatment Pre-Mixes for Penicillium Dry Rot Control in Soft White Winter Wheat

Series/Report Number: COARC2015

Abstract: Penicillium dry rot of wheat (also known as Penicillium dry seed decay) occurs when wheat seed is planted into soils that are too dry to allow for...

Evaluation of Predator Mites for Control of Two-Spotted Spider Mites in Carrots Grown for Hybrid Seed in Central Oregon, 2015

Series/Report Number: COARC2015

Abstract: Two-spotted spider mites (TSSM) are an important pest on hybrid carrot seed production in central Oregon. Predator mites have been used to...

Incidence, Resistance, and Evaluation of Chemical Controls for Bacterial Soft Rot in Carrot Stecklings

Series/Report Number: COARC2015

Abstract: Bacterial soft rot, caused by Pectobacterium spp. (formerly Erwinia carotovora), can be an important disease of certain carrot steckling lines used...

Layby Herbicide Treatments to Control Weeds During Row Closure in Sugar Beets Grown for Seed

Series/Report Number: COARC2015

Abstract: Sugar beets grown for seed in central Oregon is a small, established industry. Weed control in sugar beets is dependent on precise application...

Managing Straw Residue Without Burning

Series/Report Number: COARC2015

Abstract: Managing straw residue with fire is an effective tool for growers. However, as tourism thrives and drought becomes more prevalent, increased...

Pilot Balloon Observations, 2015 Jefferson County Smoke Management

Series/Report Number: COARC2015

Abstract: Pilot Balloon (PIBAL) observations are a major component of the daily decision-making process used in managing open field burning of grass seed and...

Summary Report of Conventional and Roundup Ready Alfalfa Variety Yield and Quality over Four Production Years in Central Oregon, 2011-2015

Series/Report Number: COARC2015

Abstract: An alfalfa variety trial was established in August, 2011 at the Central Oregon Agricultural Research Center in Madras, Oregon. The trial includes...

2014 COARC Annual Report

The Central Oregon Agricultural Research Center (COARC) faculty and staff are pleased to present this summary of 2014 research activities for your review. The reports included in this publication focus on grass seed, vegetable seed,...

Central Oregon Potato Extension Program, 2014

Series/Report Number: COARC2014

Abstract: Insect pests were monitored in potato fields to assess potential risk of disease transmission. Aphid, tuberworm moths, and potato psyllids were...

COARC Research Garden and Learning Center, 2014

Series/Report Number: COARC2014

Abstract: The Central Oregon Agricultural Research and Learning Center is an ongoing project in its 8th year of activity. The garden provides a hands-on...

Electronic Mint Pest Alert Newsletter to Promote Optimal Application of Coragen® to Control Mint Root Borer, Cutworms, Armyworms and Loopers, 2014

Series/Report Number: COARC2014

Abstract: An electronic newsletter was developed for the peppermint production regions in Oregon to assist growers and fieldmen to consider control of mint...

Environmental Factors Influencing Airborne Ergot Ascospore Concentrations in Kentucky Bluegrass Grown for Seed in Central Oregon

Series/Report Number: COARC2014

Abstract: Ergot, caused by the fungus Claviceps purpurea, is an important disease affecting Kentucky bluegrass seed production in central Oregon. Multiple...

Evaluation of an Onion Soil Amendment to Reduce White Rot Sclerotia in Garlic

Series/Report Number: COARC2014

Abstract: White rot is one of the most important diseases of onion, garlic, and other Allium crops. The pathogen survives in the soil as sclerotia, which...

Evaluation of Biofumigation with Allyl Isothiocyanate to Reduce Verticillium Wilt in Mint

Series/Report Number: COARC2014

Abstract: Verticillium wilt, caused by the fungus Verticillium dahliae, is the most important disease of commercial mint production in the Pacific Northwest....

Evaluation of Conventional and Roundup Ready Alfalfa Varieties in Central Oregon, 2014

Series/Report Number: COARC2014

Abstract: An alfalfa variety trial was established in August, 2011 at the Central Oregon Agricultural Research Center, Madras, Oregon. 2014 was the third...

Evaluation of Fungicides for the Control of Leaf Diseases in Alfalfa Seed

Series/Report Number: COARC2014

Abstract: A replicated field study was established to evaluate the efficacy of fungicides to control common leaf spot in alfalfa seed production fields. Plots...

Evaluation of Herbicides to Provide Control and Seed Head Suppression of Creeping Bentgrass

Series/Report Number: COARC2014

Abstract: Glyphosate tolerant creeping bentgrass (Agrostisstolonifera L.) accidentally escaped from production fields in 2003 and is now found growing along...

Evaluation of Late-Season Bactericide Applications to Reduce Xanthomonas hortorum pv. carotae on Harvested Carrot Seed

Series/Report Number: COARC2014

Abstract: and Phyton 27 AG for the suppression of Xanthomonas hortorum pv. carotae (Xhc) on harvested carrot seed. Bactericide applications were made in late...

Evaluation of Miticides for Two-Spotted Spider Mite Control in Carrots Grown for Hybrid Seed in Central Oregon, 2014

Series/Report Number: COARC2014

Abstract: Two-spotted spider mites (TSSM) are an important pest on hybrid carrot seed production in central Oregon. Concern about the two-week knock down...

Evaluation of Predator Mites for Control of Two-Spotted Spider Mites in Carrots Grown for Hybrid Seed in Central Oregon, 2014

Series/Report Number: COARC2014

Abstract: Two-spotted spider mites (TSSM) are an important pest on hybrid carrot seed production in central Oregon. Predator mites have been used to...

Incidence and Potential Impact of Bacterial Soft Rot in Steckling-Planted Carrot Seed Fields

Series/Report Number: COARC2014

Abstract: Bacterial soft rot can be an important disease of carrots, including carrot stecklings used for hybrid carrot seed production. The objectives of...

Pilot Balloon Observations, 2014 Jefferson County Smoke Management

Series/Report Number: COARC2014

Abstract: Pilot Balloon (Pibal) observations are a major component of the daily decision-making process used in managing open field burning of grass seed and...

Central Oregon Potato Extension Program, 2013

Series/Report Number: COARC2013

Publications

2023

Journal Article

Boyd, Chad S et al. Using Virtual Fencing To Create Fuel Breaks In The Sagebrush Steppe. Rangeland Ecology & Management 89 (2023): 87 - 93. Web. Rangeland Ecology & Management.
Thomas, T.W., and Kirk W Davies. Grazing Effects On Fuels Vary By Community State In Wyoming Big Sagebrush Steppe. Rangeland Ecology & Management 89 (2023): 42 - 50. Web. Rangeland Ecology & Management.
Fernández‐Pascual, Eduardo et al. Seedarc, A Global Archive Of Primary Seed Germination Data. New Phytologist 240.2 (2023): 466 - 470. Web. New Phytologist.
Schantz, Merilynn C et al. Modeling Weather Effects On Plant Production In The California Annual Grassland. Rangeland Ecology & Management 87 (2023): 177 - 184. Web. Rangeland Ecology & Management.
Svejcar, Lauren, Kirk W Davies, and Alison L Ritchie. Ecological Restoration In The Age Of Apocalypse. Global Change Biology 29.17 (2023): 4706 - 4710. Web. Global Change Biology.
Maestas, Jeremy D et al. Using Dynamic, Fuels-Based Fire Probability Maps To Reduce Large Wildfires In The Great Basin. Rangeland Ecology & Management 89 (2023): 33 - 41. Web. Rangeland Ecology & Management.
Davies, Kirk W, Jonathan D Bates, and Chad S Boyd. Is Crested Wheatgrass Invasive In Sagebrush Steppe With Intact Understories In The Great Basin?. Rangeland Ecology & Management 90 (2023): 322 - 328. Web. Rangeland Ecology & Management.
Bates, Jonathan D et al. Effects Of Annual Weather Variation On Peak Herbaceous Yield Date In Sagebrush Steppe. Western North American Naturalist 83 (2023): 220-231. Web. Western North American Naturalist.
Price, William J et al. Managing Medusahead Using Dormant Season Grazing In The Northern Great Basin. Rangeland Ecology & Management 90 (2023): 146 - 156. Web. Rangeland Ecology & Management.
Smith, Joseph T et al. Where There's Smoke, There's Fuel: Dynamic Vegetation Data Improve Predictions Of Wildfire Hazard In The Great Basin. Rangeland Ecology & Management 89 (2023): 20 - 32. Web. Rangeland Ecology & Management.
Davies, Kirk W et al. Influence Of Directional Side Of Sagebrush Canopies And Interspaces On Microhabitats. Basic and Applied Ecology 72 (2023): 16 - 21. Web. Basic And Applied Ecology.
Wollstein, Katie, and Dustin D Johnson. Integrating Rangeland Fire Planning And Management: The Scales, Actors, And Processes. Rangeland Ecology & Management 86 (2023): 9 - 17. Web. Rangeland Ecology & Management.
Crist, Michele R et al. Trends, Impacts, And Cost Of Catastrophic And Frequent Wildfires In The Sagebrush Biome. Rangeland Ecology & Management 89 (2023): 3 - 19. Web. Rangeland Ecology & Management.
Beck, Jeffrey L et al. Chapter 10 Sage-Grouse . Rangeland Wildlife Ecology and Conservation (2023): 295-338. Web. Rangeland Wildlife Ecology And Conservation.
Stephenson, Mitchell B et al. Strategic Supplementation To Manage Fine Fuels In A Cheatgrass (Bromus Tectorum)−Invaded System. Rangeland Ecology & Management 89 (2023): 61 - 68. Web. Rangeland Ecology & Management.

Outreach

Report

Goodwin, Jeff et al. Rangeland Ecosystem Services: Connecting Nature And People. 2023. Print. Society For Range Management.

2022

Journal Article

Davies, Kirk W et al. What Is Driving The Proliferation Of Exotic Annual Grasses In Sagebrush Communities? Comparing Fire With Off-Season Grazing. Rangeland Ecology & Management 82 (2022): 76 - 85. Web. Rangeland Ecology & Management.
Thomas, T.W. et al. Effects Of A Decade Of Grazing Exclusion On Three Wyoming Big Sagebrush Community Types. Global Ecology and Conservation 40 (2022): e02338. Web. Global Ecology And Conservation.
Andrew, Nigel R et al. What's Hot And What's Not – Identifying Publication Trends In Insect Ecology. Austral Ecology 47.1 (2022): 5 - 16. Web. Austral Ecology.
Wollstein, Katie et al. Toward Integrated Fire Management To Promote Ecosystem Resilience. Rangelands 44.3 (2022): 227 - 234. Web. Rangelands.
Schroeder, V. et al. Weather Explains Differences In Sagebrush-Obligate Songbird Nest Success Under Various Grazing Regimes. Global Ecology and Conservation 34 (2022): e02010. Web. Global Ecology And Conservation.
Johnson, Dustin D et al. Ratcheting Up Resilience In The Northern Great Basin. Rangelands 44.3 (2022): 200 - 209. Web. Rangelands.
Davies, Kirk W et al. Off-Season Grazing Reduces Exotic Annual Grasses And Increases A Native Bunchgrass. Oregon Cattleman March (2022): 30-33. Web. Oregon Cattleman.
Bates, Jonathan D, and Kirk W Davies. Early Succession Following Prescribed Fire In Low Sagebrush (Artemisia Arbuscula Var. Arbuscula) Steppe. Western North American Naturalist 82.1 (2022): 50-66. Web. Western North American Naturalist.
Wollstein, Katie et al. Minimize The Bad Days: Wildland Fire Response And Suppression Success. Rangelands 44.3 (2022): 187 - 193. Web. Rangelands.
Copeland, Stella M et al. Stomatal Conductance Relates To Sagebrush Transplant Survival Across Planting Season And Size-Class. Rangeland Ecology & Management 80 (2022): 26 - 30. Web. Rangeland Ecology & Management.
Smith, Joseph T et al. The Elevational Ascent And Spread Of Exotic Annual Grass Dominance In The Great Basin, Usa. Diversity and Distributions 28.1 (2022): 83 - 96. Web. Diversity And Distributions.