Weed Resources

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Reference Desk
A collection of useful references for weed management.

Weed Science Archives
A listing of articles that have appeared on this site since November 1996. 

Hot pages on ISU Weed Science
A listing of the top pages accessed by site visitors.

Palmer amaranth resources

Iowa's Noxious Weeds  

Herbicide Sites of Action/Group Numbers

2014 Herbicide Guide for Corn and Soybean Production

Herbicide Ad Hall of Shame

Weed control results - 2013


Terminating cover crops. Don't let your cover crop turn into a weed.

Two apps are better than one. Maximize the benefit of layered residuals

Historic distribution of weedy pigweeds. Maps of the origins of the pigweeds of Iowa farm fields.

Palmer amaranth in Iowa: Update - Information on known infestations in the state.

Benefits of diversified weed management - Summary of paper describing how Australian farmers responded to rampant resistant weeds

Group 4 Resistance in Weeds - A review of current status of weeds resistant to growth regulator herbicides, and the implications of the release of crops resistant to these herbicides.

Take Action: New resourses from regional herbicide resistance project sponsored by the United Soybean Board

Herbicide sites of action Description of sites of action and herbicide group numbers, including listing of products with their group numbers

Herbicide recommendations for 2014 (WC-94) is available The 2014 Herbicide Guide for Iowa Corn and Soybean Production is available

Palmer amaranth: ID, biology and management

Effectiveness of using multiple sites of acton to manage resistance: Paper describing importance of critically evaluating herbicide programs




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ISU Extension Weed Management
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