BASF Introduces Ridivex Herbicide for Corn Weed Control, Awaits U.S. EPA Approval

26 March 2026, North Carolina: BASF has introduced its new post-emergence herbicide, Ridivex™, aimed at strengthening weed management in corn. The product, announced earlier this month on March 5, is currently pending registration with the U.S. Environmental Protection Agency (EPA) and is not yet available for commercial sale.

Ridivex herbicide is formulated as an all-in-one premix combining three active ingredients—diflufenzopyr, dicamba, and pyroxasulfone—each offering a different site of action. The company states that this combination is designed to improve control of resistant weed populations while reducing the need for multiple herbicide applications.

According to BASF, the herbicide delivers both immediate and residual control. It is positioned to provide rapid knockdown of more than 200 broadleaf weeds, with visible effects reported within hours of application. In addition, the formulation is expected to offer residual control of over 80 broadleaf and grass weeds for up to eight weeks, supported by the inclusion of pyroxasulfone, also used in Zidua® SC herbicide.

The launch comes at a time when corn growers are facing increasing pressure from herbicide-resistant weeds. Industry observations indicate that resistance is leading to higher input costs and more complex weed management programs, often requiring multiple applications and product combinations.

Jessica Dorsey, Product Manager for Corn POST Herbicides at BASF Agricultural Solutions, said the product has been developed to address these challenges by providing a multi-mode solution that supports sustained weed control during critical crop growth stages.

BASF has also incorporated a crop safener into the formulation to enhance crop tolerance and reduce the risk of phytotoxicity.

The company clarified that Ridivex herbicide remains under regulatory review and any future commercialization will depend on EPA approval. Until then, the product is being presented for informational purposes only.

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