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Corn Rootworm Insights from the Dixon, IL Grow More Experience Site

October 8, 2020
This agronomic image shows corn rootworm damage

Adult corn rootworm on a corn silk at the Dixon, IL, Grow More™ Experience site.

With a summer windstorm and an increase in corn rootworm (CRW) pressure, 2020 has thrown some curveballs. The severity of CRW varies every season, however, and populations have increased over the past few years in Northern IL. CRW damage includes reduced root mass and leads to corn lodging and fallen plants, which can impact your bottom line. Read our previous post to learn about management strategies you can implement to stop the CRW life cycle.

Trials at the Dixon, IL, Grow More Experience site provide helpful insights into both northern and western CRW beetle management and demonstrate the effectiveness of using a high-load insecticide. Watch as agronomy service representative, Kevin Scholl, walks us through the impact of CRW, and take a look at a few images below:

This agronomic compares insecticide treated and untreated corn stalks

Left: SmartStax® RIB Complete® without an insecticide treatment.
Right: SmartStax® RIB Complete® with a treatment of Force® 6.5G insecticide.

Although the Dixon trials experienced high CRW pressure, Force 6.5G delivered superior protection for straighter stalks without lodging and improved root quality.  The untreated corn plants endured significant damage from the pest, even with the pyramided trait stacks.

To prevent CRW damage in your corn, we recommend using Force 6.5G insecticide. It creates a zone of protection from CRW and other soil-dwelling insects such as white grub, wireworm, seedcorn maggot and cutworm. Consider adding Force 6.5G to your CRW management plan in 2021 so your corn is protected and can reach its maximum yield potential.

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