The Watch

Know Before You Grow
The Watch 2026 has ended, but we’re only continuing to combat corn rootworm. If you have pressure in your fields, talk to your dealer or Bayer rep about VT4PRO™ with RNAi Technology and SmartStax® PRO with RNAi Technology
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Resources

View the resources to get more information on corn rootworm.

1

Corn Rootworm Articles and Guides

Stay up to date on current corn rootworm technology with our resources.
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2

Take the Find Your Trait Quiz

No matter the pressure, we’ve got the latest trait innovations tailored for your fields. Take our quiz to find out the best trait for your operation.
Take the Quiz

A close-up of a developing corn ear in the field with the text "CORN ROOTWORM 4" overlaid, highlighting Bayer’s next-generation 4th generation corn rootworm defense technology and R&D pipeline.

Coming Soon: CRW4

Stay tuned as Bayer’s 4th generation of corn rootworm defense, CRW4, is expected to launch later this decade. With two new modes of action plus improved RNAi Technology, CRW4 acts as a strong defense against high-pressure rootworm populations.

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Check out 2020-2025 CRW pressure maps

See how pressure has evolved across the Midwest with sticky trap data results from prior seasons.

Disclaimer

ALWAYS READ AND FOLLOW GRAIN MARKETING AND ALL OTHER STEWARDSHIP PRACTICES AND PESTICIDE LABEL DIRECTIONS.