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Frogeye Leaf Spot (FLS) may sound harmless, but it can quietly take a serious toll on your soybean yields. In this episode, we welcome back Daren Mueller to dive into this increasingly common and often misdiagnosed disease. Learn why FLS is gaining ground in regions once thought safe, how resistance is developing, and the most effective strategies to identify, manage, and stay ahead of the threat.

Key Takeaways:

• Frogeye Leaf Spot can cause up to 30% yield loss if left unmanaged.
• Fungicide resistance is on the rise—relying on one mode of action may no longer be enough.
• Proactive scouting and accurate diagnosis are critical to prevent mismanagement.
• A layered approach—including variety selection, rotation, and multi-mode fungicides—offers the best line of defense.
• New tools and data are helping growers get ahead of resistance trends and protect plant health season after season.

Disclaimer:

Liberty, Outlook , Zidua, Zidua PRO , Poncho Votivo Precise, Endura , Revytek, Fastac CS, ILEVO , Vault IP Plus , Relenya , Priaxor , Liberty ULTRA , are registered trademarks of BASF. Nemasphere, Zorina and Voraxor are trademarks of BASF. Enlist, Enlist One, Enlist Duo, and Enlist E3 are registered trademarks of Corteva Agriscience LLC. The transgenic event in Enlist E3 soybeans is jointly developed and owned by Corteva Agriscience LLC and M.S. Technologies, L.L.C.

Xitavo is a registered trademark of MS Technologies and exclusively distributed by BASF. All other trademarks are the property of their respective owners and use of any such trademark does not imply any affiliation with or endorsement by its owner.

Always read and follow label directions. Before mixing components, always conduct a compatibility jar test. Always consult respective product labels for specific mixing instructions. The most restrictive label applies. Fastac CS is a restricted use pesticide. Nemasphere, Zorina, and Voraxor are not registered and not available for sale. This information is provided for educational purposes only and is not intended to promote the sale of this product. Any sale of this product after registration is obtained shall be based solely on the EPA approved product label, and any claims regarding product safety and efficacy shall be addressed solely by the label. The views expressed by BASF employees and Guest are their own and do not necessarily reflect the views of BASF. Grow Smart is a registered trademark of BASF. Copyright 2025 BASF Corporation. All Rights Reserved.