Publications Database

Annual Reports

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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

COARC Research Garden and Learning Center, 2013

Series/Report Number: COARC2013

Publications

2023

Journal Article

Orr, Devyn A, Jonathan D Bates, and Kirk W Davies. Grazing Intensity Effects On Fire Ignition Risk And Spread In Sagebrush Steppe. Rangeland Ecology & Management 89 (2023): 51 - 60. Web. Rangeland Ecology & Management.
Svejcar, Lauren et al. Plant Recruitment In Drylands Varies By Site, Year, And Seeding Technique. Restoration Ecology 31.2 (2023): n. pag. Web. Restoration Ecology.
Schantz, Merilynn C et al. Evaluating Multimodel Ensemble Seasonal Climate Forecasts On Rangeland Plant Production In The California Annual Grassland. Rangeland Ecology & Management 88 (2023): 135 - 142. Web. Rangeland Ecology & Management.
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.

Outreach

Report

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

2022

Journal Article

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.
Boyd, Chad S et al. Virtual Fencing Effectively Excludes Cattle From Burned Sagebrush Steppe. Rangeland Ecology & Management 81 (2022): 55 - 62. Web. Rangeland Ecology & Management.
Davies, Kirk W et al. Moderate Grazing During The Off-Season (Fall-Winter) Reduces Exotic Annual Grasses In Sagebrush-Bunchgrass Steppe. Rangeland Ecology & Management 82 (2022): 51 - 57. Web. Rangeland Ecology & Management.
Copeland, Stella M et al. Influence Of Weather On Production Dynamics In Wyoming Big Sagebrush Steppe Across Plant Associations. Rangeland Ecology & Management 85 (2022): 48 - 55. Web. Rangeland Ecology & Management.
Davies, Kirk W et al. Using Postfire Spatial Variability To Improve Restoration Success With Seeded Bitterbrush. Rangeland Ecology & Management 83 (2022): 117 - 123. Web. Rangeland Ecology & Management.
Arispe, Sergio A et al. Strategic Partnerships To Leverage Small Wins For Fine Fuels Management. Rangeland Ecology & Management 85 (2022): 66 - 75. Web. Rangeland Ecology & Management.
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.

Outreach

Report

2021

Conference Proceedings

Ranches, J. et al. Effects Of Virtual Fence Monitored By Global Positioning System On Beef Cattle Behavior. Translational Animal Science 2021: S144 - S148. Web. Translational Animal Science.

Journal Article

Ranches, J. et al. Use Of Radio‑Frequency Identification Technology To Assess The Frequency Of Cattle Visits To Mineral Feeders. Tropical Animal Health and Production 53:341 (2021): n. pag. Web. Tropical Animal Health And Production.
Swanson, E.K., Roger Sheley, and Jeremy J James. Shrubs Facilitate Perennial Bunchgrass Recruitment In Drylands Under Experimental Precipitation Change. Journal of Arid Environments 187.Article 104432 (2021): n. pag. Web. Journal Of Arid Environments.
Wisdom, Michael et al. Ungulate Grazing Relationships With Riparian Restoration: Meadow Creek Experiment. National Stream and Aquatic Ecology Center Summer 2021 (2021): 1-8. Print. National Stream And Aquatic Ecology Center.