Fusarium Patch

  • Scientific Name: Microdochium nivale

Fusarium Patch

Causal Agent

Microdochium nivale

What is Fusarium Patch?

Fusarium patch is a type of fungal disease in turf caused by Microdochium nivale. Fusarium patch appears as circular, water-soaked spots, usually 5cm in diameter. As the disease develops, the spots may enlarge but are usually less than 20cm in diameter. 

What are the Symptoms of Fusarium Patch?

Symptoms of Fusarium patch disease include:

  • Circular patches appear as small, water-soaked spots less than 5cm in diameter. 

  • Patches change in colour from orange-brown to dark brown and finally to a light grey. 

  • Spots may enlarge indefinitely, but are usually less than 20cm in diameter. 

  • On low cut turf a halo-like “smoke ring”may appear on the outer margin of the patch. The outer ring may have a water-soaked appearance. 

  • In very wet conditions a thin to fluffy covering of white mycelium may be seen on matted leaves. 

  • The mycelium is white, but on exposure to sunlight induces spore production which is a pink colour

When does Fusarium Patch disease occur?

The general conditions that are favourable for Fusarium Patch are:

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

  • Cool temperatures.

  • Soil high in nitrogen fertility and low phosphorous and potassium.

  • Areas with slow growing conditions and heavy thatch.

What turfgrasses are especially susceptible to Fusarium Patch?

Wintergrass, Bentgrass, Fescue, Ryegrass & Kentucky Bluegrass are particularly susceptible to Fusarium patch.

What can I do to manage or control Fusarium Patch?

Management practices that can help control or reduce instances of Drechslera include:

  • Maintaining balance fertility.

  • Avoiding using lime. Alkaline soils enhance disease development. 

  • Maintaining low soil pH. 

  • Using slow release fertilisers when fertilising in Autumn.

  • Increasing air circulation to speed turf’s drying process. 

  • Minimising the amount of shade. 

  • Avoiding excessive thatch.

For chemical solutions and treatments for Fusarium Patch, please see the recommended products below.

PRODUCT SOLUTIONS FOR Fusarium Patch

Lexicon Intrinsic Fungicide
Active: 167g/L fluxapyroxad, 333g/L pyraclostrobin

Lexicon delivers peak performance under pressure, optimising disease control and providing plants with longer, stronger roots and increased growth....

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Chief Topflo Fungicide 5L
Active: 625g/l Iprodione

CHIEF® Topflo is a broad spectrum fungicide registered for the control of Brown Patch, Fusarium Patch, Leaf Spot, Spring Dead Spot and Helminthosp...

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Quali-Pro Enclave Fungicide
Active: 365g/L chlorothalonil, 119g/l Iprodione, 119g/l Thiophanate methyl and 36g/L Tebuconazole

Quali-Pro Enclave is registered for the broad spectrum, eradicant, curative and preventative control of Brown Patch, Fusarium Patch, Anthracnose, D...

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Quali-Pro Evolution Fungicide
Active: 200g/L Tebuconazole, 120g/L Azoxystrobin

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

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Banner Maxx Fungicide
Active: 15.5% Propiconazole

Banner Maxx is early curative treatment, providing systemic broad-spectrum control of Dollar Spot, Winter Fusarium, and the ERI complex (Couchgrass...

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Daconil Weatherstik® Turf Fungicide
Active: 720g/L Chlorothalonil

Daconil Weather Stik is a contact fungicide that can be used in preventative programs. It can be used as an early curative after the first signs of...

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Medallion Turf Fungicide
Active: 125g/l Fludioxonil

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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Dedicate Forte Stressgard Fungicide
Active: 240g/l Tebuconazole

Dedicate FORTE Stressgard® is a broad-spectrum DMI fungicide containing tebuconazole (240 g/L) with Stressgard Formulation Technology, and control...

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Dedicate Turf and Ornamental Fungicide
Active: 100g/L Trifloxystrobin, 200g/L Tebuconazole

Dedicate turf fungicide contains two active ingredients with two different modes of action, providing curative and preventative control. It has a c...

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Exteris Stressgard Fungicide
12.5g/l Fluopyram, 12.5g/l Trifloxystrobin

Exteris Stressgard Fungicide provides outstanding broad-spectrum disease control, turf quality and application flexibility. Contains a unique SDHI ...

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Interface Stressgard Fungicide
Active: 256g/L iprodione, 16g/L trifloxystrobin

Interface with Stressgard Formulation Technology offers the new standard in turf protection and is Bayer’s most powerful turf fungicide to-date. ...

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Fore Rainshield Fungicide
Active: 480g/L Mancozeb

Fore Rainshield is a broad spectrum protectant fungicide containing 480g/L of the active ingredient Mancozeb...

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Transact 500 Fungicide
Active: 500g/L Iprodione

Transact 500 is a broad spectrum fungicide containing 500 g/L of the active constituent Iprodione. It is registered for the control of Brown Patch,...

Pack:
QTY:
- +
$286.00
Transact Pro Fungicide
Active: 250g/L Iprodione

Transact Pro is a premium locally systemic, broad spectrum fungicide containing 250 g/L of active ingredient Iprodione.

Pack:
QTY:
- +
$302.50
Vantage Fungicide
Active: 95g/L Azoxystrobin

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

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Chipco GT Fungicide
240 g/L iprodione

Chipco GT is a broad-spectrum fungicide providing unsurpassed control of brown patch, dollar spot, various leafspots, and a variety of other t...

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Thiram Liquid Fungicide
Active: 600g/L Thiram

Thiram Liquid Fungicide is a liquid suspension used as a foliar protectant and a seed treatment. Thiram Liquid Fungicide offers a contr...
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Dek Liquid Fungicide 10L
Active: 420g/L Mancozeb

Liquid Dek is a contact fungicide that works by forming a protective barrier around the plant tissue (i.e. chemical barrier between the fungus and ...

Pack:
QTY:
- +
$247.50
Unizeb 750 DF Fungicide
Active: 750g/kg Mancozeb

Unizeb 750DF Fungicide is a dry flowable preventative fungicide formulation for the control of certain fungal diseases in turf.

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Quali-Pro Evolution Advanced Fungicide
Active: 200g/L Tebuconazole, 120g/L Azoxystrobin

Quali-Pro® Evolution® Advance is a premium broad-spectrum fungicide containing 370 g/L Tebuconazole and 222 g/L Azoxystrobin. Building on the str...

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Tridim 250 EC Fungicide
Active: 250g/L Triadimenol

For systemic control of ring spot on cabbage, cauliflower and broccoli, powdery mildew on cucurbits, tomatoes, grapevines, parsnip, radish, swede, ...

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Azoxy 250 T&O Fungicide
Active: 250g/L Azoxystrobin

Azoxy 250 T&O Fungicide (active constituent Azoxystrobin) is an effective xylem systemic fungicide that delivers excellent protection for ...

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