New video: How to validate your corn root worm management

Bryan Jensen, IPM Program

Mid to late July in Wisconsin is the time you can validate your corn rootworm management decisions by checking for root damage. This is the time period just after feeding damage would have occurred, and just before regrowth would start to mask the damage.

Knowing how your 2014 corn rootworm control practice performed can go a long way to improving your comfort level as you make decisions for 2015. Digging, washing and evaluating corn roots can also answer questions you might have regarding the potential for damage on first year corn. You cannot assume lodged corn is a result of rootworm feeding nor can you assume straight standing corn does not have rootworm feeding. Digging roots prior to significant root regeneration can answer several questions and make decision more effective in 2015. Please review this video is you have any questions.


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