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Southern rust threat:
While fields in some regions have reached or surpassed the recommended R1 fungicide application timing, it’s important to survey today’s disease pressure to help plan for next season. For those who have corn approaching R1, you still have the opportunity to help growers combat the most harmful and yield-limiting foliar diseases.
This year, Southern rust has already been confirmed in Arkansas, Mississippi, Texas, Alabama, Florida and Georgia. Under favorable weather conditions, yield loss from Southern rust can be severe, especially in late-planted corn, reducing yields by as much as 25 bu/A on susceptible hybrids.
This year’s wet spring delayed planting for many corn-growers nationwide. With tropical storms already beginning to make landfall and Southern rust’s ability to spread great distances by wind, growers should be considering the potential threat Southern rust may pose to corn yields this season.
Harder-working, longer-lasting disease control:
Last year, Southern rust made a showing in 11 different corn-growing states. The disease spread throughout the South and extended as far north as Iowa and southern Wisconsin. Luckily, many growers were proactive with their management plans last season.
Caleb Ragland from Magnolia, KY saw long-lasting protection against Southern rust on his corn acres he treated with Trivapro® fungicide last season.
“Trivapro fungicide was outstanding against Southern rust. It kept the corn alive when it otherwise would have died prematurely because of the rust.” Ragland said. “We saw a 65 bu/A increase compared to untreated. The corn treated with Trivapro stayed greener about two more weeks. The residual was just a night and day difference.”
James Boyd from Hodgensville, KY also had Southern corn rust in his area last year. With Trivapro, he saw a 74 bu/A yield bump over his untreated acres.
“In the last 5 years, we’ve never sprayed any fungicide. We just haven’t because the ROI was not there.” Boyd said. “The difference between the un-sprayed acres and Trivapro-treated acres was pretty ridiculous. The Trivapro-treated corn was bright green and still alive, and the untreated corn was dead.”
Taking preventive measures:
After such great performance last year, Boyd and Ragland continue to stay on top of Southern rust and management of other yield-robbing diseases.
“We believe that applying fungicides at VT for corn every year is an investment in completing the crop,” Ragland said.
In addition to control of Southern rust, Trivapro fungicide contains multiple modes of action for protection against a broad spectrum of disease in corn, soybeans and wheat. It also delivers plant health benefits for stronger stalks and an overall healthier crop. Syngenta encourages growers to stay ahead of disease and treat fields at VT/R1 before late-season diseases strike. Visit www.NotAfraidToWork.com to see more field performance stats.
Product performance assumes disease presence.
©2017 Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties. Please check with your local extension service to ensure registration status. Trivapro® is a registered trademark of a Syngenta Group Company.