Dollar Spot

Causal Agent: Lanzia spp.

Susceptible Turfgrasses: All turfgrass species, predominantly cool season grasses.
Bentgrass – Pennlinks, A1 & A4, Providence, L-93, Penn G2 have shown superior tolerance (Hurley, 1999).
Most susceptible – Crenshaw, SR1020.


  • Small, sunken, circular patches 1.5 to 5cm in diameter.

  • The patches turn from brown to a straw colour and may eventually coalesce, into larger irregularly shaped areas.

  • In the presence of dew, mycelium may be seen as a fine white cottony thread.

  • Infected leaves may display small lesions that turn from yellow-green to straw colour with a reddish-brown border.

  • Lesions can extend the full width of the leaf.

  • Multiple lesions may occur on a single leaf blade.

Conditions Favouring Disease

  • Temperature ranges of 16°C to 28°C and continuous high humidity above 85%.

  • Warm humid weather with cool nights that produce heavy dews.

  • When the micro-climate temperature reaches 16°C the fungus resumes growth.

  • Low nitrogen levels.

  • More severe in dry soils.

Click to Download

Products to Use Dollar Spot

Evolution Fungicide

Evolution packshot copy

Evolution is a premium, fungicide mixture containing 120g/L of the active ingredient Azoxystrobin and 200g/L Tebuconazole. This unique combination provides powerful…

Read more



25% Triademinol Bayfidan is a broad spectrum, systemic foliar fungicide that is rapidly taken up by plants and translocated within the…

Read more


Patchwork bottle

25% Triademinol Patchwork is a broad spectrum fungicide containing 250g/L of the active ingredient Triadimenol. It is specifically registered for the…

Read more


Impala for web

For broad spectrum control of fungal diseases in turf. New active constituent triticonazole brings higher efficacy from the DMI-triazole family. The…

Read more

Prop 500

Prop 500_10L

50% Propiconazole Prop 500 Fungicide is a broad spectrum fungicide containing 500g/L of the active ingredient Propiconazole. It is specifically registered…

Read more

Reserve Stressgard


Reserve™ Stressgard® turf fungicide is a contact and protectant fungicide for the control of fungal diseases in turf.

Read more



Medallion Turf Fungicide offers contact plus – exceptional spore busting capabilities on the leaf, in the thatch, and on the soil surface.…

Read more

Chloronil Pro

Chloranil pro v2

72% Chlorothalonil Chloronil Pro Fungicide is a broad spectrum, contact or protectant fungicide for the control of a range of diseases…

Read more


NEW Dedicate_1L_Straight_RGB

10% Trifloxystrobin + 20% Tebuconazole Dedicate turf fungicide contains two active ingredients with two different modes of action, providing curative and…

Read more


Shiba Bottle 5L

50% Tolclofos Methyl Shiba Fungicide is a liquid suspendable concentrate of Tolclofos methyl 500g/L, and has been specifically registered for the…

Read more



25.6% iprodione, 1.6% trifloxystrobin Interface has preventative, curative and eradicant activity, controlling all stages of turf disease. Interface provides superior disease…

Read more


Instrata 10L bottle

36.2% Chlorothalonil, 5.7% Propiconazole + 1.45% Fludioxanil Instrata is an excellent choice for use in a preventative program or curatively after…

Read more

Headway Maxx


6.2% Azoxystrobin + 1.04% Propiconazole Headway Maxx combines the strength, longevity and broad spectrum of Heritage MAXX with the speed and…

Read more

Daconil Weather Stik


72% Chlorothalonil Daconil Weather Stik is a contact fungicide that can be used in preventative programs. It can be used as…

Read more

Banner Maxx


15.5% Propiconazole Banner Maxx is an excellent choice as an early curative treatment, providing systemic broad spectrum control of major turf…

Read more