Effectiveness of using multiple sites of action to battle herbicide resistance
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The Iowa State University Integrated Crop Management Conference is Iowa's premier crop production education event. No other program in Iowa brings together the diverse range of topics, slate of expert presenters and results of the latest University research.
The ICM Conference offers workshops focusing on the latest in crop production technology. Experts from Iowa and surrounding states will provide research updates and results in soil fertility, soil and water management, crop production and pest management.
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Abstract
The ‘Age of Convenient Weed Control’ is coming to an end. Some say it is already over. While glyphosate resistance has garnered the headlines, it is important to realize that the problem facing agriculture is herbicide resistance in general. Weeds such as waterhemp have ‘quietly’ evolved resistance to other herbicides such as the PPO and HPPD inhibitors. Less fanfare has been given to these developments since these products do not dominate the market in the way glyphosate has for the past 16 years. However, since these herbicide classes are needed to fight glyphosate resistance, the significance of the spread of resistance to them should not be overlooked. Now is the time to change our attitude towards weed management to insure that we have a diverse range of tools available to battle weeds in the future.