Farmer grabbing corn crop out of the ground, by the root

Trait protection to match your corn rootworm pressure.

With pest pressures constantly changing, you might need to change your trait, too. See which trait innovation from Bayer offers you the protection your fields need most.

Take our quiz. Find your trait.

This quick quiz will help you find the right corn trait that matches your specific needs when it comes to pest pressure in your fields.

A desktop with a question and multiple choice answers along with the VT4PRO and SmartStax PRO logos

Pressure’s Rising. Are You Tracking It?

Ignoring corn rootworm pressure could cost you 45% of your yield.* Track evolving threats, make smarter trait choices and protect your fields with The Watch. Get your FREE** Corn Rootworm Pressure Starter Kit today.

*Tinsley, N.A., Estes, R.E., and Gray, M.E. 2012. Validation of a nested error component model to estimate damage caused by corn rootworm larvae. Journal of Applied Entomology. DOI:10.1111/j.1439- 0418.2012.01736.x.

**NoPurchNec. Ends 7/7/25. Open to U.S. commercial corn farmers, 21+. Full rules, eligibility, restrictions, and details at https://traits.bayer.com/thewatchofficialrules

Our Widest Spectrum of Insect Defense

VT4PRO with RNAi Technology is the trait with the widest spectrum of insect defense from Bayer, +5 bushels per acre yield advantage over Qrome® products*.

A summary of the modes of action and corn rootworm pressure level for the VT4PRO with RNAi Technology

*Based on Bayer 2022 breeding data generated in corn growing geographies over 253 locations, 2,838 comparisons of 2024 launch class of VT4PRO with RNAi Technology vs key commercial Qrome® Products within +/- 2 RM maturity range.

The All-in Corn Rootworm Fighter

SmartStax® PRO with RNAi Technology is the all-in corn rootworm fighter for very high levels of pressure. It combines the proven benefits of SmartStax® Technology with the breakthrough RNAi Technology to provide more than double the root node protection vs. competitor products**.

A summary of the modes of action and corn rootworm pressure level for the SmartStax PRO with RNAi Technology

**94 2021-2023 Bayer Trials in the corn belt (CO, KS, NE, IA, IL, OH, ND, SD, MN, WI & NM) in low to high CRW pressure environments (as shown by a Node Injury Score on 0-3 scale of 0.5-3.0 in the non-CRW traited check). Products tested were in the 95-115 RM range with comparable trait packages.

Our leading trait technologies are available from Bayer’s trusted seed brands. 

Additional Corn Rootworm Resources


Insect Forecast

With consistent updates on insect tracking and migration patterns, including corn rootworm, you’ll be armed with the information you need to stay ahead.

A map of the U.S. Midwest region with red, yellow, and green colors indicating insect forecast