Herbicide and Nonherbicide Injury Symptoms on Spring Wheat and Barley

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WW-06967 Reviewed 2009

Herbicide and Nonherbicide Injury Symptoms on
Spring Wheat and Barley

Kevin J. Cavanaugh, M.S.
Beverly R. Durgan, Ph.D.
Richard K. Zollinger, Ph.D.
Wayne A. Selberg, M.S.

Plant injury on spring wheat and barley can be caused by field equipment operations, weather-related stress, crop pests, soil nutrient problems, and other factors. Plant injury symptoms may look the same even though the cause of the injury is different. This publication will help professional agriculturists and growers distinguish between herbicide and nonherbicide injuries on spring wheat and barley.

Part I	Herbicide Injury Symptoms Herbicide Mode of Action Soil Applied Herbicide and Phytotoxicity Postemergence Herbicide and Phytotoxicity Herbicide Selectivity Herbicide Resistance Herbicide Families
Part II	Nonherbicide Injury Symptoms Cultural Practices Environmental Factors Fungal Diseases Insect Damage Nutrient Deficiencies Soil pH Viral Diseases
Appendices	Postemergence Herbicide Application Chart Trade and Product Names Glossary Credits

This publication was produced in cooperation with theNorth Dakota State University Extension Service.

In accordance with the Americans with Disabilities Act, this material is available in alternative formats upon request. Please contact your University of Minnesota Extension office or the Extension Store at (800) 876-8636.