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.

Symptoms

  • 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.

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Products to Use Dollar Spot

Velista Turf Fungicide

Velistaforweb2

VELISTA is a powerful broad spectrum fungicide that can be used all year round and can be trusted to keep your turf…

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Evolution Fungicide

Evolution packshot copy

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

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Bayfidan

BYFIDAN NEW

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

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Patchwork

Patchwork bottle

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

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Impala

Impala for web

Impala is formulated for broad spectrum control of fungal diseases in turf. The new active constituent triticonazole brings higher efficacy from…

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Prop 500

Prop 500_10L

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

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Reserve Stressgard

Reserve

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

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Medallion Turf Fungicide

ImageGen

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

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Chloronil Pro

Chloranil pro v2

Chloronil Pro Fungicide is a broad spectrum, contact or protectant fungicide for the control of a range of diseases fruit, vegetables…

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Dedicate

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…

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Shiba

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…

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Interface

Interface-Bottle

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

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Instrata

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…

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Headway Maxx

Headway_Maxx_5L_Can_LR

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

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Daconil Weather Stik

Daconil10L_SML_LR

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

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Banner Maxx

BannerMaxx5L_LR

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

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