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Keep Southern Corn Leaf Blight at Bay

October 11, 2021
healthy corn leaves

Healthy corn leaves.

For corn growers, Southern corn leaf blight can devastate a crop if left unchecked. Caused by the pathogen Bipolaris maydis, Southern corn leaf blight usually occurs around silking or R1, which is a critical growth stage for yield production. Luckily, this timing is also the optimal time to apply a fungicide to protect against costly diseases.

Watch as Syngenta Agronomy Service Representative Dr. Keith Burnell, walks through a corn field that has been infected by Southern corn leaf blight and demonstrates the efficacy of Trivapro® fungicide.

The corn in the video suffered from the ear leaf downward, and some leaves in the lower canopy died down early due to the disease infection. When this happens, leaves that are compromised to this degree no longer help the plant produce yield. Burnell explains that Trivapro was applied about 19 days before the video was taken and helped shut down the disease from the point of application, helping help preserve valuable green leaf area.

As you head toward harvest, take note of this season’s disease pressure. Many costly diseases like Southern corn leaf blight can overwinter and show up the following season. Then, talk to your local retailer about Trivapro. Offering proven plant-health benefits and broad-spectrum preventive and curative disease control, Trivapro helps maximize plant health and protect against diseases like Southern and common rust, Southern and Northern corn leaf blight, gray leaf spot and more. Corn growers who used Trivapro saw an average yield increase of 14 bu/A compared to untreated acres.1

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All photos and videos are either the property of Syngenta or are used with permission.

Syngenta hereby disclaims any liability for third party websites referenced herein. 

Product performance assumes disease presence.

Performance assessments are based upon results or analysis of public information, field observations and/or internal Syngenta evaluations. Trials reflect treatment rates commonly recommended in the marketplace.

The trademarks or service marks displayed or otherwise used herein are the property of a Syngenta Group Company. All other trademarks are the property of their respective owners.

[1]Data from 368 non-replicated strip trials in AR, IA, IL, IN, KS, MN, MO, NE, SD, WI from 2016 – 2020. Application rate and timing: 13.7 fl. oz/A applied at VT to R1 corn.

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