Brown Patch

Causal Agent: Rhizoctonia solani

Susceptible Turfgrasses: Wintergrass, Couch, Bentgrass, Fescues, Kentucky Bluegrass, Ryegrass & Buffalo Grass.


  • Brown discoloured circular patches, from a few centimetres up to a metre in diameter, sometimes with a smoke ring of mycelium around the edges.

  • “ Smoke rings” appear as thin brown borders around the diseased patches appearing in the early morning.

  • Infected leaves are water-soaked and dark, later dying and turning dark brown.

  • After the infected leaves die, new leaves can emerge from the surviving crowns.

  • On wide bladed species, leaf lesions develop with tan centres and dark brown to black margins.

Conditions Favouring Disease

  • High relative humidity and temperatures of over 28°C during the day and over 15.5°C at night.

  • More than 10 hours a day of foliar wetness for several consecutive days.

  • Turfgrass species are most affected when night temperatures are consistently above 20°C with high humidity or moisture.

Click to Download

Products to Use Brown Patch

Velista Turf Fungicide


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

Read more

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…

Read more

Vantage Fungicide

Amgrow-Vantage-5L_bottle copy

Vantage Fungicide is a broad spectrum, systemic fungicide containing 95 g/L of the active constituent Azoxystrobin, a trusted chemistry for Australian…

Read more


Impala for web

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

Read more

TMTD 600


TMTD 600 is a flowable form of 600g/L Thiram. TMTD 600 is highly effective in the control of Brown Patch, Helminthosporium…

Read more

Fore Rainshield

Fore Rainshield pack

48% Mancozeb Fore Rainshield is a broad spectrum protectant fungicide containing 480g/L of the active ingredient Mancozeb formulation offers superior spreading…

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


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

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

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


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


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

Read more