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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

2015 Herbicide Guide for Corn and Soybean Production

Herbicide Ad Hall of Shame

Weed control results - 2014





Effect of residual herbicides on cover crop establishment - Consider the impacts herbicides used in corn and soybean might have on cover crop success

Enlist Duo: New era herbicide label - Discussion of some of the restrictions on the label that may not make total sense

Why in the world is Enlist corn resistant to the fop herbicides?
Something for the biochem nerds in the weed world. Updated Feb. 7

2014 Weed Control Results - PDF download of herbicide trials

Will a cereal rye cover crop suppress your weeds? - Summary of recent ISU research

Soybean response to sublethal doses of 2,4-D and dicamba - Review of 'recent' research on drift injury to soybean

New product update for 2015 - a brief description of some of the new weed management products

Herbicide recommendations for 2015 (WC-94) is availableThe 2015 Herbicide Guide for Iowa Corn and Soybean Production is available

Western Iowa Palmer amaranth tour - Summary of the state of Palmer amaranth at known infestations in western Iowa.

Is the term Superweed appropriate? - ISU's two weed scientists debate the buzzword used to grab attention regarding resistant weeds

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

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

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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