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New Tool Assesses Corn Rootworm Risk

The National Corn Growers Association is introducing a new tool for growers looking to find out their risk for Corn Rootworm. The new Corn Rootworm Risk Tool gives farmers the chance to enter historical data and current management data, along with corn rootworm intensity, to determine the potential risk for developing resistance to valuable Bt traits. Using the information that’s submitted by the farmer or technical advisor, the tool gives growers a low-, medium-, or high-risk level and summarizes the appropriate best management practices for each scenario. The predictive tool is a helpful resource that’s not designed to replace conversations with technical advisors on what practices or strategies to employ. The ultimate objective is to suppress corn rootworm populations and assist farmers in maintaining the effectiveness of important tools like Bt corn. For more information or assess the potential risk of resistance, go to For additional best management practices, go to

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