Malheur Experiment Station
Oregon State University
Information for Sustainable Agriculture

Annual Reports: Onion topics

2010 Annual Report

2010 Onion Variety Trials

Management of Onion Cultural Practices to Control the Expression of Iris Yellow Spot Virus

Onion Production from Transplants

Onion Production from Sets, 2010

Effect of Timing of Harvest on Onion Yield and Storability

Response of Eight Onion Varieties to Four Plant Populations

Evaluation of Zeba® as a Soil Amendment for Onion Production

Evaluation of Transit Soil as a Soil Amendment for Onion Production

Insecticide Rotation Trial for Maximum Efficacy Against Thrips in Dry Bulb Onions, 2010

Insecticide Screening for Effectiveness in Controlling Thrips in Dry Bulb Onions, 2010

Maximizing the Economic Value of Insecticide Applications for Thrips Control – A Two-year Study

Dose Response of Activated Charcoal to Detoxify Dual Magnum® and Outlook® Applied Pre-emergence on Direct-seeded Onions

Evaluation of Dual Magnum® and Outlook® Used Pre-emergence on Direct-seeded Dry Bulb Onions with Activated Charcoal

Evaluation of Several Herbicides for Possible Use to Control Weeds in Direct-seeded Onion

Evaluation of KIH-485 Herbicide for Weed Control in Direct-seeded Onion

Long-term Storage of Onion Cultivars, 2010

2009 Annual Report

2009 Onion Variety Trials

Use of Activated Charcoal to Detoxify Dual Magnum® and Outlook® Applied Pre-Emergence on Direct-Seeded Onions

Evaluation of Herbicides for Weed Control in Direct-Seeded Onions

Additive Effects of Telone® C-17 and Vapam® Soil Fumigants on Yellow Nutsedge in Dry-Bulb Onions

Insecticide Screening for Effectiveness in Controlling Thrips in Dry Bulb Onions - 2009

Insecticide Rotation Trial For Maximum Efficacy Against Thrips in Dry Bulb Onions - 2009

Maximizing the Economic Value of Insecticide Applications for Thrips Control - 2009

Management of Onion Cultural Practices to Control the Expression of Iris Yellow Spot Virus, 2009

Performance of Onion Varietyies in a Field with High Iris Yellow Spot Virus Presence

Effect of Harvest Timing on Onion Yield and Storability, 2009

Onion Production from Sets, 2009

Onion Production from Transplants Grown in a Low Tunnel Cold Frame and in a Greenhouse

2009 Onion Variety Trials

Evaluation of Goal® 2XL Soil Carryover Injury in Winter Wheat Planted After Dry Bulb Onions

2008 Annual Report

2008 Onion Variety Trials

Performance of Onion Varieties in a Field with High Iris Yellow Spot Virus Presence

Onion Production from Transplants Grown in a Low Tunnel Cold Frame and in a Greenhouse

Managment of Onion Cultural Practices to Control the Expression of Iris Yellow Spot Virus

Insecticide Efficacy Trial for Thrips Control in Dry Bulb Onions - 2008

Managing Insecticides for Maximum Efficacy Against Thrips in Dry Bulb Onions - 2008

Preliminary Evaluation of Activated Carbon to Detoxify Pre-emergence Applied Herbicides in Dry Bulb Onion

Long-term Onion Storage: 2008 Report

2007 Annual Report

2007 Onion Variety Trials

Onion Production from Transplants Grown in a Low Tunnel Cold Frame and in a Greenhouse

Management of Onion Cultural Practices as a Means to Control the Expression of Iris Yellow Spot Virus

Insecticide Efficacy Trial for Thrips Control in Dry Bulb Onions 2007

Managing Carzol® for Maximum Efficacy Against Thrips 2007
          Managing Onion Production Survey for Malheur County Oregon and Idaho 2008

          Evaluation of Basagran® Herbicide for Yellow Nutsedge Control in Bulb Onion

2006 Annual Report

2006 Onion Variety Trials

Evaluation of Overwintering Onion for Production in the Treasure Valley, 2005-2006 Trial

Onion Production From Transplants

Evaluation of Primed Onion Seed

Insecticide Efficacy Trial for Thrips Control in Dry Bulb Onions

Managing Carzol® for Maximum Efficacy Against Thrips

Effectiveness of Regent® as a Seed Treatment for Early Season Thrips Suppression in
        Dry Bulb Onion

Effect on Nozzle Type, Spray Pressure, Spray Volume, and Time of Application on
        Thrips Control

A Survey of Thrips Movement into Onion Fields in the Treasure Valley

Evaluation of Auxigro® for Drip-irrigated Onion Production

Evaluation of Intracept® for Onion Production

2005 Annual Report

2005 Onion Variety Trials

Evaluation of Over-wintering Onion Production in the Treasure Valley - 2004/2005 Trial

Onion Production From Sets

Onion Production From Field-grown Transplants

Automatic Collection, Radio Transmission, and Use of Soil Water Data

Short-duration Water Stress Decreases Onion Single Centers Without Causing Translucent Scale

Insecticide Trials for Onion Thrips (Thrips tabaci) Control - 2005

A Three-year Study on Varietal Response to an Alternative Approach for Collecting Onion Thrips (Thrips tabaci) in Spanish Onions

A One-year Study on the Effectiveness of Vydate L® (Oxamyl) to Control Thrips in Onions When Injected into a Drip-irrigation System

Preemergence and Postemergence Combinations for Weed Control in Onion

Soil-active Herbicide Applications for Weed Control in Onion

Comparison of Goal 2XL® and Goal Tender® for Crop Injury and Weed Control in Onion

The Effectiveness of Root Feed II and STO-5 for Onion Production When Injected into a Drip-irrigation System

2004 Annual Report

          2004 Onion Variety Trials

          A One-year study on the Effectiveness on Oxamyl (Vydate L®) to control Thrips in Onions when unjected into a Drip-irrigated system

          A Two-year study on Varietal Response to an Alternative Approach for controlling Onion Thrips (Thrips tabaci) in Spanish Onions

          Effect of Onion Bulb Temperature and Handling on Bruising

          Effect of Short-Duration Water Stress on Onion Single Centeredness and Translucent Scale

          Evaluation of Overwintering Onion for Production in the Treasure Valley, 2003-2004 trial

          Growers use less Nitrogen Fertilizer on Drip-irrigated Onion than Furrow-irrigated Onion

2003 Annual Report

2003 Onion Variety Trials

Alternative Methods for Controlling Onion Thrips - Effects of Thrips on Two Varieties of Stored Red Onion

Effect of a Mycorrhizae Formulation on Onion Yield and Quality

Effect of Phosphite Fertilizer Formulations on Onion Yield and Quality

Effect of Short-duration Water Stress on Single Centeredness and Translucent Scale

Insecticide Trials For Onion Thrips (Thrips tabaci) Control

Irrigation Frequency, Drip Tape Flow Rate, and Onion Performance

Onion Production from Transplants in the Treasure Valley


Preemergence Herbicides for Weed Control in Onion


Preliminary Observations on the Effect of Onion Bulb Temperature and Handling on Bruising

Pungency of Selected Onion Varieties Before and After Storage

Treatment of Onion Bulbs with "Surround" to Reduce Temperature and Bulb Sunscald

Varietal Response to an Alternative Approach for Controlling Onion Thrips (Thrips tabaci) in Spanish Onions

Weed Control in Onion with Postemergence Herbicides

Yellow Nutsedge Competition in Dry Bulb Onion Production

2002 Annual Report

2002 Onion Variety Trials

A Two Year Study on Alternative Methods for Controlling Onion Thrips (Thrips Tabaci) in Spanish Onions

Effects of Heating and Freezing on Translucent Scale in Onion Bulbs

Herbicide Application Methods for Control of Yellow Nutsedge in Onion

Insecticide Trial for Onion Thrips (Thrips Tabaci) Control-2002

Irrigation Frequency, Drip Tape Flow Rate, and Onion Performance

Neck Length and Insecticide Treatment in Relationship to Thrips (Thrips tabaci) Damage on Stored Red Onions

Treatment of Onion Bulbs with "Surround" to Reduce Temperature and Sunscald

Weed Control and Onion Tolerance with Soil-Active and Postemergence Herbicides

2001 Annual Report

2001 Onion Variety Trial

Effects of Onion Plant Damage and Field Heat Stress on Translucent Scale in Onion Bulbs

Effects of Heating and Freezing on Translucent Scale in Onion Bulbs

Plant Population and Nitrogen Fertilization for Subsurface Drip-irrigated Onions

Weed Control and Onion Tolerance with Soil Active and Postemergence Herbicides

Herbicide Application Methods for Control of Yellow Nutsedge in Onions

Volunteer Potato Control in Onions

Insecticide Trials for Onion Thrips (Thrips tabaci) Control

Alternative Methods for Controlling Onion Thrips (Thrips tabaci) in Spanish Onions

Evaluation of Neck Length and Insecticide Treatments for Thrips Control in Stored Onions

2000 Annual Report

2000 Onion Variety Trial

Evaluation of Humic Acid and Other Non-conventional Fertilizer Additives for Onion Production

Plant Population and Nitrogen Fertilization for Subsurface Drip-irrigated Onions

Control of Yellow Nutsedge and Annual Weeds in Onions

Volunteer Potato Control in Onions

Insecticide Trials for Onion Thrips (Thrips tabaci ) Control

Controlled-Release Fertilizers for Onions in the Treasure Valley

Cause and Timing of Red Stain on Treasure Valley Onions

1999 Annual Report

1998 Annual Report

1997 Annual Report

1996 Annual Report

ONION VARIETY TRIALS

AUTOMATION OF SUBSURFACE DRIP IRRIGATION FOR ONION PRODUCTION

ONION TOPPING AND HEAT TREATMENT FOR STORAGE, 1996-1997

APPLICATION OF ONION SLUDGE AS A FERTILIZER SUPPLEMENT

1995 Annual Report

ONION VARIETY TRIALS

STRATEGIES FOR CONTROLLING ONION THRIPS (Thrips tabaci) IN SWEET
SPANISH ONIONS

THRIPS EFFECTS ON FOURTEEN SWEET SPANISH ONION VARIETIES

NITROGEN FERTILIZATION FOR DRIP-IRRIGATED ONIONS

PLANT POPULATION FOR DRIP-IRRIGATED ONIONS

WEED CONTROL AND CROP TOLERANCE OF ONIONS TO HERBICIDES APPLIED POSTPLANT PREEMERGENCE AND AS MULTIPLE POSTEMERGENCE APPLICATIONS TO SEEDLING ONIONS


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For additional information about the Malheur Agricultural Experiment Station, please send an e-mail request to:
Dr. Clinton C. Shock
Clinton.Shock@oregonstate.edu


Malheur Agricultural Experiment Station

595 Onion Avenue
Ontario, OR 97914
(541) 889-2174

FAX (541) 889-7831
 
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Last updated  Tuesday July 19, 2011.