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Tackling pest resistance in Iowa

January 17, 2020

Resistance to pesticides, genetic traits and other control practices continues to show up in weeds, insects and disease pathogens in Iowa. If this problem isn’t addressed, crop yields will decrease, or crop production costs will increase — or both. Iowa has taken the lead on the issue by creating and implementing the Iowa Pest Resistance Management Program. 

Community Collaboration--Why Pest Resistance Management must Involve Group Action

April 8, 2020

By Paul Lasley, Iowa State University Sociologist

In my last editorial I argued that group action is required if we are to effectively manage field crop pests by concluding, “Some things are too big for anyone to accomplish alone and too important not to try to do together.”  

There is little doubt that productivity gains in corn and soybeans can be attributed, in part, to better pest management, which often relies upon herbicides and insecticides. However these pesticides are becoming less effective.

The National Corn Growers Association issues a call for pre-proposals addressing innovative solutions to weed management

May 11, 2021

The National Corn Growers Association recently issued a call for pre-proposals addressing innovative solutions to weed management.  Potential concepts include automation in weed control, targeted herbicide application technology; targeted tillage; and harvest technologies to reduce the weed seed bank.  Pre-proposals are due June 2, 2021. 

More information can be found in the here

Farmers learn weed resistance management at western Iowa field day

July 14, 2021

The Harrison County Pest Resistance Management Project team held a field day at the Larry Buss farm southwest of Logan. 10 herbicide programs were available for comparison to evaluate success and implications for resistance management of weeds including waterhemp, marestail, giant ragweed and Palmer amaranth.

Possible tool in the war on resistant weeds

November 22, 2021

For the second year, ISU is testing a Redekop Seed Control Unit on Iowa farm fields to determine the economic feasibility of harvest weed-seed control.

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