2004 Annual Report Table of Contents††

Weather

2004 Weather Report

Alfalfa

Third Year Results of the 2002-2006 Alfalfa Forage Variety Trial

Corn

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

Mint

Evaluations of Spring Herbicide Applications to Dormant Mint

Onion

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
Insecticide Trials For Onion Thrips (Thrips tabaci) Control
Pungency of Selected Onion Varieties Before and After Storage
Soil-active Herbicide Applications for Weed Control in Onion
Treatment of Onion Bulbs with "Surround" to Reduce Temperature and Bulb Sunscald
Weed Control in Onion with Postemergence Herbicides

Poplars

Effect of Pruning Severity on the Annual Growth of Hybrid Poplar
Micro-irrigation Alternatives for Hybrid Poplar Production 2004 Trial
Performance of Hybrid Poplar Clones on an Alkaline Soil

Potatoes

A Single Episode of Water Stress Reduces the Yield and Grade of Ranger Russet Potato Yield and Grade
Development of New Herbicide Options for Weed Control in Potato Production
Irrigation System Comparison for the Production of Ranger Russet and Umatilla Russet Potato
Planting Configuration and Plant Population Effects on Drip-irrigated Umatilla Russet Potato Yield and Grade
Potato Tuber Bulking Rate and Processing Quality for Early Potato Selections
Potato Variety Trials 2004

Soybeans

Soybean Performance in Ontario in 2004

Sugar Beets

Comparison of Calender Days and Growing Degree-Days for Scheduling Herbicide Applications in Sugar Beet
Kochia Control with Preemergence Nortron® in Standard and Micro-Rate Herbicide Programs
Sugar Beet Variety 2004 Testing Results
Timing of Dual Magnum® and Outlook® Applications for Weed Control in Sugar Beet

Wheat and Small Grains

2004 Winter Elite Wheat Trial

Soil Moisture Monitoring

Automatic Collection, Radio Transmission, and Use of Soil Water Data
Use of Irrigas® for Irrigation Scheduling for Onion under Furrow Irrigation

Yellow Nutsedge Biology and Control

Chemical Fallow for Yellow Nutsedge Suppression following Wheat Harvest
Factors Influencing Vapam ® Efficacy on Yellow Nutsedge
Yellow Nutsedge control in Corn and Dry Bean 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.