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Pests

Resistance is showing up in weeds, insects and disease pathogens in Iowa and has the potential to impact yields, increase the cost of production, and limit farmers’ future
pest management options.

Examples of Resistant Weeds

Common cocklebur, common lambsquarters, common sunflower, giant foxtail, giant ragweed, horseweed, Kochia, Pennsylvania smartweed, waterhemp, and recently, Palmer amaranth.

Examples of Resistant Insects

Western corn rootworm, also soybean aphid populations near, but not yet inside, Iowa.

Examples of Resistant Diseases

Soybean cyst nematode and frogeye leaf spot.

Pilot projects will be selected from these pest options and will be used to inform management option strategies as well as collaborative efforts within communities to resolve resistant pest issues.

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What is the Iowa Pest Resistance Management Program?

The Iowa Pest Resistance Management Program (IPRMP) is an Iowa-specific effort to address pests--including weeds, insects and diseases--that can adapt and become resistant to chemical, genetic, and agronomic control practices. The IPRMP outlines approaches for effective, integrated management solutions that will sustainably control pests. By fostering methods to detect resistance, resistance can be delayed or even prevented, limiting the spread of pest resistance.


IPRMP Questions and Answers


Click here to learn more about the IPRMP. 


Version 1 of the IPRMP is here


IPRMP Introduction--Webinar Recording

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Webinar Recording: Iowa Pest Resistance Management Program

Wednesday, December 20, 2017 - 1:00pm to 3:09pm

Evan SivesindView this webinar to learn more about the Iowa Pest Resistance Management Program (IPRMP), an Iowa-specific effort to address pests--including weeds, insects and diseases--that can adapt and become resistant to chemical, genetic, and agronomic control practices. The IPRMP outlines approaches for protecting your crops with effective, integrated management solutions that will sustainably control pest

Weed Management Field Day--Harrison County Pilot

Monday, June 18, 2018 - 9:30am to 11:00am

The Harrison County Herbicide Resistance Project features side-by-side comparison of 10 herbicide programs in both corn and soybeans. Join us from 9:30am to 11:00am for a field walk at the corn plot (address coming soon) to gauge success and implications for future resistance management. This event is free and open to the public, and coffee and donuts will be provided.

EPA Releases Guidance on Slowing Pest Resistance

November 14, 2017

The U.S. Environmental Protection Agency (EPA) recently released two pesticide registration notices (PRNs) that impact how technology providers, crop advisers, and producers manage resistance. These documents are in addition to a new framework to address Bt resistance in corn rootworm released in 2016. These releases, which all went through public comment, provide guidance in managing resistance and support the strategies and goals of the Iowa Pest Resistance Management Program (IPRMP).

Narrower Rows, Early-Season Action can Improve Weed Management

January 26, 2018

We are entering an era where successful weed management requires a planning process. Learn more about elements you should consider for your plan from Tony Pleggenkuhl, regional sales agronomist, Stine Seed, John Cantwell, farmer and weed management technology development representative, Monsanto and Kent Bennis, marketing specialist and farmer, Dow AgroSciences.

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