Enhanced dollar spot alert | Syngenta US

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Enhanced dollar spot alerts now available from Syngenta

Greensboro, N.C., USA, March 19, 2019 – To help golf course superintendents monitor for dollar spot, the most prevalent disease on courses nationwide , Syngenta has enhanced its dollar spot alerts. Based on the Smith-Kerns Dollar Spot Model, the alerts now offer season-long text and email notifications plus the ability to forecast disease development risk five days into the future. Superintendents may sign up at GreenCastOnline.com/DollarSpot to be notified by email or text, when conditions in their area are conducive to dollar spot development.

“Syngenta is always researching not only new products but also new digital technologies to help superintendents manage their turf,” said Stephanie Schwenke, turf market manager at Syngenta. “By working with the researchers who developed the original dollar spot model, Syngenta was able to digitize the model, bringing convenience and automation to superintendents.”

The dollar spot prediction model was developed by Damon Smith, Ph.D., associate professor and extension specialist, University of Wisconsin-Madison, and Jim Kerns, Ph.D., associate professor and extension specialist, N.C. State University, along with researchers in Wisconsin, Oklahoma, Pennsylvania, Mississippi, Tennessee, Connecticut and New Jersey . It uses weather indicators to predict when conditions will be conducive for dollar spot development.

“The model itself is basically a logistic equation that you plug in the parameters, such as relative humidity, mean and max air temps, as well as how much risk you're willing to take – 20, 30, 40 percent, whatever it might be,” explains Kerns. “Essentially it spits out a probability of whether or not you're going to have disease. One of the things we are most proud of is it allows superintendents at their own facility to decide for themselves how much risk they are willing to accept. In our research, we found that 20 percent was the most accurate prediction.”

Once a superintendent signs up, they will receive their first notification of the season when dollar spot pressure in their area is forecasted to reach a 20 percent risk threshold in the next five days, which will help them prepare for a preventive fungicide application. After the first alert, superintendents can also elect to be notified of their dollar spot risk on seven-, 14-, 21- or 28-day intervals.

To sign up for the alerts, superintendents can visit the Syngenta Dollar Spot Solutions website, where they will also find more dollar spot resources including trial data, researcher interviews and control options, including the latest dollar spot fungicides from Syngenta, Posterity® and Secure® Action™. Posterity holds strong for up to 28 days of dollar spot control, and Secure Action includes a boost of acibenzolar-S-methyl to protect against biotic stress, including dollar spot, and abiotic stress, including drought and heat.

1 Specialty Consultants, 2018. A Strategic Analysis of the U.S. Professional Turf and Ornamental Pesticide Market: The 2017 Season.
2 Smith DL, Kerns JP, Walker NR, Payne AF, Horvath B, Inguagiato JC, et al., 2018. Development and validation of a weather-based warning system to advise fungicide applications to control dollar spot on turfgrass. PLoS ONE 13(3): e0194216. https://doi.org/10.1371/journal.pone.0194216

Join the conversation on Twitter with @SyngentaTurf and by using #DollarSpotSolutions.

About Syngenta
Syngenta is one of the world’s leading agriculture companies. Our ambition is to help safely feed the world while taking care of the planet. We aim to improve the sustainability, quality and safety of agriculture with world class science and innovative crop solutions. Our technologies enable millions of farmers around the world to make better use of limited agricultural resources. With 28,000 people in more than 90 countries we are working to transform how crops are grown. Through partnerships, collaboration and The Good Growth Plan we are committed to improving farm productivity, rescuing land from degradation, enhancing biodiversity and revitalizing rural communities. To learn more visit www.syngenta.com and www.goodgrowthplan.com. Follow us on Twitter at www.twitter.com/Syngenta and www.twitter.com/SyngentaUS.

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