Herbicide Guide (WC94) Now Available on the ISU Weed Science Web Page

January 30, 2013

The 2013 Herbicide Guide for Iowa Corn and Soybean Production (WC 94) can now be accessed from the Iowa State University Weed Science web page. The publication provides an update of new herbicide products as well as an herbicide effectiveness chart for herbicides used in soybean and corn. Herbicide site of action and injury symptoms are described and information about herbicide group numbers is included. A list of prepackage mixtures of herbicides is included. The current herbicide resistant weed situation in Iowa is described and a discussion about Palmer amaranth is provided.

If you have questions about WC 94 or other aspects of weed management, please contact Mike Owen at mdowen@iastate.edu or Bob Hartzler at hartzler@iastate.edu.

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Micheal D.K. Owen University Professor and Associate Chair of Agronomy

Dr. Micheal D. K. Owen is a University Professor and associate chair in the Department of Agronomy and an extension weed specialist for Iowa State University Extension and Outreach. He is also an adjunct professor in the Department of Vegetable Protection at Esculea Agricola Panamericana at Zamor...