Annual Reports

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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

Creeping Bentgrass Control in Central Oregon, 2013

Series/Report Number: COARC2013

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