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Ascernity Fungicide

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Ascernity
Gain a new perspective on large patch control and more

AscernityĀ® fungicide combines an advanced SDHI and the proven cooling DMI to bring broad-spectrum disease control into focus.

Product Details Features & Benefits Supporting Materials Performance Videos Related Products FAQ News x

Product Details

Ascernity Fungicide

Ascernity fungicide combines SOLATENOLĀ® technology (benzovindiflupyr) – an advanced SDHI for golf course turf – and difenoconazole, the proven cooling DMI, to prevent and control several key diseases in cool and warm-season turf including large patch, brown patch and anthracnose with no heat restrictions.

Follow us onĀ TwitterĀ andĀ FacebookĀ @SyngentaTurf and join the conversation withĀ #Time4Ascernity

Important notes:

  • Always read and follow the directions for use and other instructions on the label of each container.

Active Ingredients:

SOLATENOLĀ® technology (benzovindiflupyr), difenoconazole

HRAC/FRAC/IRAC Classification:

Group 3, 7 Fungicide

EPA#:

100-1477

Label Downloads

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          Restricted Entry Interval:

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          PPE required for Early-Entry Workers:

          Select a state from the menu below:

          Label Downloads

           Current EPA - Approved Label  Previous EPA - Approved Label  Safety Data Sheet

          Features & Benefits

          Exceptional Disease Control

          • Is very active against Rhizoctonia diseases
          • Offers enhanced control of anthracnose, large patch, brown patch and dollar spot
          • Provides longer residual on large patch than current industry standards and is now the cornerstone of the Syngenta Large Patch Guarantee program
          • Can be used as part of an agronomic program for resistance management and disease control

          Large Patch Guarantee

          The key to protecting your turf from large patch is through preventive fungicide applications. When you follow our large patch guarantee program you are guaranteed 90% large patch control on your treated turf, or Syngenta will provide product for a rescue treatment at no cost.*

          For full program details, download our Large Patch Guarantee.

          Large Patch Guarantee

          GreenTrust 365 Large Patch Prevention guarantee from Syngenta. Download Guarantee Details

          Excellent Turf Safety and No Heat Restrictions

          • Safe for all turf species during times of high-stress times with no heat restrictions
          • Can be applied with no PGR effects, phytotoxicity, thinning or unwanted regulation

          *Terms and conditions apply. See full program for details.

          Supporting Materials

          Featured Downloads:

          Ascernity Fungicide Cool-Season Turf Information Sheet
          Ascernity controls more than 20 diseases in cool-season turf with no heat restrictions.
          View or Download >
          Ascernity Fungicide Warm-Season Turf Information Sheet
          Ascernity controls more than 20 diseases in warm-season turf with no heat restrictions.
          View or Download >
          GreenTrustĀ® 365 Large Patch Guarantee Program
          View or Download >

          Additional Resources:

          Guarantee Programs
          GreenTrustĀ® 365 Large Patch Guarantee Program
          Portfolio Sheets
          Fungicide Efficacy ChartGolf Portfolio Brochure

          Videos

          • Learn How to Control Five Key Turf Diseases
            Watch this interactive video to learn how to control Large Patch, Dollar Spot, Spring Dead Spot / Take-All Root Rot, Fairy Ring and Anthracnose.
          • Reliable Disease Control with Ascernity Fungicide
            Tim Kelly, golf course superintendent at Cedarbrook Country Club in Blue Bell, Pennsylvania, discusses how they use Ascernity fungicide as part of their agronomic strategy for reliable anthracnose and summer patch control.
          • Ascernity Fungicide: Bringing Large Patch Control Into Focus
            Matt Carson, first assistant superintendent at The Golf Club of Tennessee in Kingston Springs, Tennessee, walks through a trial plot comparison that shows the powerful large patch control of Ascernity fungicide vs. ProStarĀ® 70 WG fungicide.
          • Ascernity Fungicide: Gain a New Perspective on Large Patch Control and More
            Learn how Ascernity fungicide combines SOLATENOLĀ® technology (benzovindiflupyr) - an advanced SDHI for golf course turf - and difenoconazole, the proven cooling DMI, to prevent and control several key diseases in cool and warm-season turf including large patch, brown patch and anthracnose with no heat restrictions.
          • Get Guaranteed Protection With The Syngenta Large Patch Prevention Assurance
            Syngenta technical services managers, Lane Tredway, Ph.D. and Matt Giese, M.S., detail how superintendents can protect their turf from large patch by following the Syngenta Large Patch Prevention Assurance program.
          • Ascernity Fungicide at Manufacturers' Golf Club in Fort Washington, PA
            Hear what Tim Zurybida, assistant superintendent at Manufacturers' Golf Club in Fort Washington, Pennsylvania about his experience with Ascernity fungicide.
          • Control Anthracnose with Ascernity
            Bruce Clarke, Ph. D., Rutgers University, shows how Ascernity fungicide can control anthracnose on a 14-day application interval.
          • 2020 Brown Patch Trial with Ascernity, Posterity XT and Posterity Forte Fungicides
            Bruce Clarke, Ph. D., Rutgers University, puts Ascernity, PosterityĀ® XT and Posterity Forte fungicides through the ringer in his 2020 brown patch trial. See how well these products stand up to high disease pressure.
          • Gain Control of Turfgrass Diseases with Ascernity
            Jim Baird, Ph.D., turfgrass specialist, University of California, Riverside, shares his experience controlling anthracnose and rapid blight with Ascernity fungicide.
          • Protecting Zoysiagrass with Ascernity
            Mike Richardson, Ph.D., professor at the University of Arkansas, discusses his experience using Ascernity fungicide on different species of zoysiagrass, such as zoysia japonica and zoysia matrella.
          • Get Proven Disease Control with Three Turf Innovations
            Ascernity, Posterity XT and Posterity Forte fungicides deliver proven, long-lasting control of turfgrass diseases like large patch, dollar spot, spring dead spot and more.
          • Gain Dollar Spot Control with Ascernity
            Paul Koch, Ph.D., assistant professor in plant pathology at the University of Wisconsin – Madison, discusses his experience with using Ascernity fungicide to achieve long-lasting dollar spot control.
          • Ascernity Fungicide Controls Anthracnose at Winged Foot Golf Club
            Stephen Rabideau, CGCS, director of golf courses at Winged Foot Golf Club, discusses his experience using Ascernity fungicide to control anthracnose on his fairways.

          FAQs

          Related Products

          Briskway

          Briskway contains a DMI active ingredient and azoxystrobin, which work together to control over 20 summer turf diseases. Along with Posterity XT and Velista, Briskway is included in the GreenTrust 365 Fairy Ring Assurance Program for leading fairy ring protection on golf course putting greens. It’s also included in the GreenTrust 365 Spring Dead Spot and Take-All Root Rot Assurance Program, along with Headway and Posterity Forte, for guaranteed performance against these destructive diseases.

          View product >
          Headway

          Headway combines the power of the two active ingredients to deliver broad-spectrum disease control against dollar spot, brown patch and other major turf diseases. Along with Briskway and Posterity Forte, Headway is included in the GreenTrust 365 Spring Dead Spot and Take-All Root Rot Assurance Program for guaranteed performance against these destructive diseases.

          View product >
          Velista

          Velista is the broadest spectrum SDHI in the golf market that protects against dollar spot, brown patch and more. Along with Briskway and Posterity XT, Velista is included in the GreenTrust 365 Fairy Ring Assurance Program for leading fairy ring protection on golf course putting greens.

          View product >

          Related News

          • Divanem NematicideGuaranteed large patch control backed by data from Dr. Jim Kerns

            Large patch prevention is critical to maintenance of high-quality zoysiagrass turf on the golf course. All zoysiagrass varieties are prone to the disease, which strikes during cool, wet weather from late summer through spring.

          • Large patch prevention is critical to maintenance of high-quality zoysiagra...

          • Divanem NematicideDigital defense: Smart tools for spring turf diseases

            The 2025 winter season was challenging, with relatively cold temperatures and extreme weather events occurring in many regions of the country.

          • The 2025 winter season was challenging, with relatively cold temperatures a...

          • Divanem NematicideClean up and prevent diseases including Microdochium patch, brown ring patch and anthracnose

            As winter transitions to spring, you have an excellent opportunity to ensure a successful start to the 2024 season. A strategically planned fungicide program will not only help clean up any lingering winter diseases, but also serves as an excellent preventive approach to spring diseases.

          • As winter transitions to spring, you have an excellent opportunity to ensur...

          • Divanem NematicidePurchase your guaranteed snow mold control now

            Planning now to protect your golf course from pink and gray snow mold can pay big dividends next spring.

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          View More Articles

          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.

          Photos are the property of Syngenta or used with permission.

          AscernityĀ®, BriskwayĀ®, GreenCastĀ®, HeadwayĀ®, HeritageĀ®, SolatenolĀ®, VelistaĀ® and the Syngenta logo are trademarks of a Syngenta Group Company. All other trademarks are the property of their respective owners.

          © 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.

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