Malheur Experiment Station

Information for Sustainable Agriculture

2003 Annual Report Table of Contents^††

Weather

2003 Weather Report

Alfalfa

Fifth Year Results of the 1999-2003 Alfalfa Forage Variety Trial
Relationship Between Water Stress and Seed Yield of Two Drip-Irrigated Alfalfa Varieties
Second Year Results of the 2002-2006 Alfalfa Forage Variety Trial

Corn

Weed Control and Crop Response with Option® Herbicide Applied in Field Corn

Onion

2003 Onion Variety Trials
Alternative Methods for Controlling Onion Thrips - Effects of Thrips on Two Varieties of Stored Red Onions
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 Onion Singe 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

Potatoes

Development of New Herbicide Options for Weed Control in Potato Production
Planting Configuration and Plant Population Effects on Umatilla Russet Yield and Grade
Potato Tuber Bulking Rate and Processing Quality for Early Harvest
Potato Variety Trials 2003
Predicting the Spread and Severity of Potato Late Blight (Phytophthora infestans) in Oregon, 2003

Poplars

Effect of Pruning Severity on the Annual Growth of Hybrid Poplar
Micro-irrigation Alternatives for Hybrid Poplar Production 2003 Trial
Performance of Hybrid Poplar Clones on an Alkaline Soil

Range Land and Pasture

Downy Brome Control and Desirable Species Establishment as Influenced by Burning and Plateau® Application Rate and Time
Russian Knapweed Control as Influenced by Herbicides and Mowing
Reduction of Irrigation-Induced Loss of E. coli from Surface-Irrigated Pastures

Soybeans

Soybean Performance in Ontario in 2003

Sugar Beets

Dual Magnum® Applications for Weed Control in Sugar Beet
Evaluation of Progress® and Betamix® Formulations for Weed Control and Sugar Beet Response
Influence of Soil-Active Herbicides on Weed Control with Micro-rate Herbicide Programs in Sugar Beet
Kochia Control with Preemergence Nortron® in Standard and Micro-Rate Herbicide Programs
Sugar Beet Variety 2003 Testing Results
Timing of Outlook® and Dual Magnum® Applications for Weed Control in Sugar Beet
Variable Upbeet® and Progress® Rates in Standard and Micro-Rate Herbicide Programs in Sugar Beet

Soil Moisture Monitoring

Comparison of the AM400 and Watermark Monitor for Precise Irrigation Scheduling

Weed Control

Rotational Response of Alfalfa and Sugar Beet to Clarion™ and Steadfast™ Herbicides
Yellow Nutsedge Control in Various Crops
Yellow Nutsedge Growth in Response to Environment

Appendicies

Appendix A. Herbicides and Adjuvants
Appendix B. Insecticides, Fungicides, and Nematicides
Appendix C. Common and Scientific Names of Crops, Forages, and Forbs
Appendix D. Common and Scientific Names of Weeds
Appendix E. Common and Scientific Names of Diseases and Insects

^††The information in this report is for the purpose of informing cooperators in industry, colleagues at other universities, and others of the results of research in field crops. Reference to products and companies in this publication is for the specific information only and does not endorse or recommend that product or company to the exclusion of others that may be suitable. Nor should any information and interpretation thereof be considered as recommendations for the application of any pesticide. Pesticide labels should always be consulted before any pesticide use.

MES Publications, MES Notice of events, Vegetation,Malheur County, Leslie Gulch,Succor Creek,Owyhee River,Local wildlife,Strawberry Mountain, Eagle Caps

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

Malheur Experiment Station Web Site Purpose and Policy

Last updated Wednesday September 13, 2006 .