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  • Josh Ammenhauser

High Humidity Requires the Best Turf Disease Controls Available.

Written by: Dr. Brett Morris, Technical Services Manager, Syngenta Turf and Landscape

Recent weather activity across Australia brings unique challenges when managing fine turf surfaces, particularly when Leaf Spot is present. Take control of Leaf Spot with unique solutions from Syngenta.


MEDALLION® Turf Fungicide is the recommended 1st choice option for Leaf Spot management in turf from Syngenta. Its unique formulation means that lower rates can be used whilst still providing outstanding control of various pathogens when compared to competitor formulations.

The active in MEDALLION® Turf Fungicide is Fludioxonil, a Group 12 mode of action which works by disrupting the sensory systems of the pathogen. In doing so, the osmotic pressure inside the cells increases causing the cells to burst. The high-quality SC formulation allows for ease of flexibility with tank mixes whilst optimizing surface coverage and distribution.

MEDALLION® Turf Fungicide is an ideal option for rotation with other Leaf Spot active fungicides such as VELISTA®, DACONIL WEATHER STIK® and HERITAGE MAXX®.

Key features of MEDALLION® Turf Fungicide:

  • Local penetrant with translaminar activity providing full leaf protection.

  • Residual control at lower use rates.

  • Extended activity through the thatch and surface vegetation.

  • High quality SC formulation optimizing surface coverage and distribution.

  • Rainfast once applied.

  • Activity on a range of other turf pathogens.

  • Low schedule – Caution S5.


INSTRATA® Turf Fungicide is a true all-round fungicide with acropetal, translaminar and contact activity formulated for management of a range of crown and leaf pathogens. INSTRATA® Turf Fungicide is recommended as the 2nd choice option for Leaf Spot management from Syngenta.

INSTRATA® Turf Fungicide is a unique 3-way mix of Propiconazole (acropetal), Fludioxonil (translaminar) and Chlorothalonil (contact) providing protection from the inside and out. Propiconazole is a proven DMI fungicide with activity across a range of pathogens and following entry into the xylem moves through the shoots into the leaf. Fludioxonil moves via translaminar means through the leaf whilst Chlorothalonil works as a knockdown contact.

The unique 3-way active formulation is an excellent resistant management tool for all turf.

Key features of INSTRATA® Turf Fungicide:

  • A blend of upwardly mobile, translaminar, and contact fungicides.

  • Disease control within the turf plant from inside and out.

  • Excellent resistant management tool.

  • Activity on early and late-stage pathogen development.

  • Residual activity up to 28 days post application.

  • Wide range of pathogens controlled.

  • Incorporating Weather Stik Technology.

NB: Always read the product label before use.

View Medallion Label

Syngenta Medallion Label
Download PDF • 136KB

View Instrata Label

Syngenta Instrata Label
Download PDF • 132KB

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