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Extension > Minnesota Crop News > IPM Podcast: Update on Recent Corn Rootworm Activity and Bt Resistance Trends in Minnesota

Thursday, June 7, 2018

IPM Podcast: Update on Recent Corn Rootworm Activity and Bt Resistance Trends in Minnesota

Welcome to the 3rd IPM Podcast for Field Crops – this Podcast is sponsored by the UMN Extension Integrated Pest Management (IPM) Program.


Corn rootworm larvae feeding damage to corn roots. Photo: Dave Hansen
The purpose of the IPM podcasts is to alert Growers, Ag Professionals and Educators about emerging pest concerns on Minnesota Field Crops - including corn, soybean, small grains and alfalfa. We also review recent pest trends and research updates.

Our guest this week is Dr. Ken Ostlie, University of Minnesota Extension Entomologist, and Professor in the Dept. of Entomology, UMN. Ken’s primary research and extension responsibilities include corn insect pest management. Ken joined us June 7, 2018, to provide an update on population trends for both the Western and Northern Corn Rootworm species in Minnesota. He also reviewed some of the recent research he is active with regarding the status of Bt resistance in WCR in Minnesota, as well as some methods for monitoring adults, later this summer.

This podcast was hosted by Bill Hutchison, Coordinator of the UMN Extension IPM Program and Dave Nicolai, Crops Extension Educator & Coordinator for the Extension Institute for Ag Professionals. Special thanks to Anthony Hanson, Extension Post-Doctoral Associate for recording and technical assistance.


Click here to listen to the podcast.

Subscribe to the podcast and never miss an episode on iTunes and now, Stitcher .

For recent Corn IPM updates, see MN Crop News for Corn and for IPM Program updates, visit the
UMN Extension IPM website.

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