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BASF Launches Ridivex Herbicide to Combat Resistant Weeds in Corn Fields

BASF Launches Ridivex Herbicide to Combat Resistant Weeds in Corn Fields
Jun 03, 2026
By Mathew Murphy
Assistant Editor, North American Content, Farms.com

Ridivex Combines Burndown Activity, Residual Weed Control, and Crop Safety in a Single Corn Herbicide Solution.

BASF is introducing Ridivex Herbicide, a new post-emergence weed control solution designed to help corn growers tackle the increasing challenge of herbicide-resistant weeds. Ridivex herbicide is currently pending registration with the U.S. Environmental Protection Agency (EPA).

The product was developed to provide growers with another tool to manage difficult weed populations that have become resistant to commonly used herbicides, including HPPD inhibitors and glyphosate.

Josh Putman of BASF explained to Farms.com that Ridivex is built around three key benefits.

The first is its strong burndown activity, which comes from the combination of dicamba and diflufenzopyr active ingredients.

Together, these components deliver effective control of emerged weeds and help reduce competition during critical stages of crop development.

The second benefit is the product’s residual performance.

Ridivex provides extended control of more than 80+ broadleaf and grass weed species, including troublesome weeds such as Palmer amaranth and waterhemp.

By maintaining weed suppression after application, the herbicide helps protect yield potential and reduces pressure from late-emerging weeds.

The third advantage is its convenient premixed formulation.

BASF notes that the product also contains a crop safener, which helps corn plants metabolize the herbicide more efficiently and minimizes the risk of crop injury following application.

As herbicide resistance continues to spread across corn-producing regions, Putman emphasized the importance of incorporating multiple modes of action into weed management programs.

Putman noted that Ridivex can play an important role alongside both pre-emergence and post-emergence applications as part of a season-long strategy.

By delivering knockdown activity, residual weed control, and crop safety in a single product, Ridivex aims to help growers keep fields cleaner, protect yield potential, and manage resistant weed populations now and in the future.

Ridivex is not registered and is not available for sale, but for more information, visit www.agriculture.basf.com.


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A cold snap swept across west central Minnesota and eastern South Dakota, bringing frost, fog, and temperatures dipping into the 20s—raising urgent questions about early crop damage.

Pioneer Agronomist Eric Rice breaks down what those overnight temperatures could mean for emerged corn and soybeans, how to assess frost injury, and why patience is key before making any replant decisions. Learn the critical differences between corn and soybean growing points, what cosmetic vs. serious damage looks like, and how last week’s high winds may also be influencing what you’re seeing in the field.

Watch for:

• Frost thresholds for early-season crop damage

• Why corn may be more resilient than it looks

• Soybean growth stages and frost susceptibility

• How to evaluate brittle stems and discolored tissue

• Why waiting 4–5 days before assessing stand loss matters

• When to contact your local Pioneer agronomist or sales representative