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Manage Scab and Prevent DON

January 8, 2019
This agronomic image compares Miravis Ace and Folicur fungicide.

Application timing: 50% head emergence*. Pictures taken 32 days after treatment. Glyndon, MN 2017.

While Fusarium head blight (scab) was not as severe in most areas of the country this year, it’s likely you’ve had to battle this disease at some point in the past. If you’ve ever had head scab in your fields, you’ve also likely dealt with increased levels of Deoxynivalenol (DON), and possibly even rejection at the elevator.

As you look back on 2018 and begin to plan for 2019, below are a few things to keep in mind as you plan to manage scab and prevent DON.

  • Resistant wheat varieties can help in the fight against head scab. Ohio State University specialists’ say resistant varieties can have up to 50% less head scab and DON than susceptible varieties.
  • University of Delaware experts say that crop rotation can help keep head scab out of fields. The disease pathogen does not grow as well on soybeans as it does on corn and wheat, so planting wheat after soybeans can help keep disease pressure low.
  • To avoid yield and quality loss, consider a fungicide in 2019. We recommend applying a preventive fungicide application when conditions and farm history point to head scab development in your area.

Manage Scab and Reduce DON

If you have used older fungicides to treat head scab, you may have felt stuck trying to decide the right time to apply due to the narrow application window. Or perhaps you ran into scheduling conflicts with your applicator. In 2019, you’ll have access to the first-of-its-kind fungicide that will widen your application window.

With Miravis® Ace fungicide, a combination of Adepidyn® fungicide, the first and only SDHI available for head scab control, and propiconazole, you can spray as early as 50% head emergence through flowering. With more time, because of greater power and stamina, you can protect both yield and quality of both the main heads and tillers for higher yield and reduced DON.

This new way of managing scab, and ultimately DON, will help you get a jump start on protecting your yield and profitability in 2019.

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©2019 Syngenta. Adepidyn® is a registered trademark of a Syngenta Group Company. All other trademarks are the property of their respective owners.

 

*Folicur is not labeled for use at 50% head emergence, and no recommendation or suggestion for use at this timing is being made. Data and images are intended solely for comparison at this application timing with Miravis Ace, which is labeled for use as early as 50% head emergence.

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