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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.

Category: 

SCN and Soybean Aphid Resistance Management Workshop

Thursday, August 17, 2017 - 8:30am to 4:15pm

The two most important pests that reduce soybean yield (nematodes and aphids) are evolving, becoming resistant to commonly used pest management tools. This workshop will provide research-based, sustainable pest management recommendations for the control of soybean cyst nematode and soybean aphid. Information provided will include updates on the status of resistant pest populations in Iowa and hands-on demonstrations of sampling and managing both pests.   

Iowa Pest Resistance Management Plan Unveiled

January 30, 2017

Iowa Pest Resistance Management Plan logo

DES MOINES – Iowa Secretary of Agriculture Bill Northey, Iowa State University College of Agriculture and Life Sciences Associate Dean John Lawrence and Iowa farmer Larry Buss of Logan today announced the release of the Iowa Pest Resistance Management Plan. A video of the announcement is available here.

Version 1 of the IPRMP is an Iowa-specific plan that seeks to engage farmers on the issue of pest resistance management with the goal of keeping technology and tools such as pesticides, seed treatments and biotechnology products and native traits available and effective.

SCN and Soybean Aphid Resistance Management Workshop

August 3, 2017

Ames, Iowa – Soybean aphid resistance will be one of the topics covered at the August 17, 2017, SCN and Soybean Aphid Resistance Management Workshop at the Iowa State Field Extension Education Laboratory in Boone, Iowa.