Bipolaris - Nuturf

Causal Agent: Bipolaris spp.

Susceptible Turfgrasses:Â Warm season turfgrasses.

Symptoms

Irregularly shaped brownish green to black lesions may appear.
Severely infected leaves begin to die back turning tan to dark brown.
Irregularly shaped patches of infected foliage may range from 5cm to 1m in size.
Chlorosis may occur in infected foliage before the leaf turns brown.
Extensive crown and root rot may occur in severe infections.
Plants may lose vigour, becoming weak and flaccid.

Conditions Favouring Disease

Foliar blight and lesions occur during cool, wet periods from autumn to spring.
Crown and root rots may occur in warm humid weather throughout summer.
Possesses a wide temperature range of activity depending on the Bipolaris species.
More than 10 hours a day of leaf wetness for several consecutive days.
Poor air movement (high humidity in the micro-climate).
Excessive nitrogen fertiliser.
Excessive thatch and loose leaf clippings provide a source of food for the fungus.
Any stress situation such as drought, herbicide injury or heavy traffic can increase the severity of the disease.

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Products to Use Bipolaris

Quali-Pro Evolution Fungicide

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

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

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

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

Medallion Turf Fungicide offers contact plus â€“ exceptional spore busting capabilitiesÂ on the leaf, in the thatch, and on the soil surface.…

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

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

Instrata is an excellent choice for use in a preventative program or curatively after first symptoms are evident. The quick systemic…

Headway Maxx combines the strength, longevity and broad spectrum of Heritage MAXX with the speed and early curative action of Banner…

Daconil Weather Stik is a contact fungicide that can be used in preventative programs. It can be used as an early…

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

Causal Agent: Bipolaris spp.

Susceptible Turfgrasses:Â Warm season turfgrasses.

Symptoms

Irregularly shaped brownish green to black lesions may appear.

Severely infected leaves begin to die back turning tan to dark brown.

Irregularly shaped patches of infected foliage may range from 5cm to 1m in size.

Chlorosis may occur in infected foliage before the leaf turns brown.

Extensive crown and root rot may occur in severe infections.

Plants may lose vigour, becoming weak and flaccid.

Conditions Favouring Disease

Foliar blight and lesions occur during cool, wet periods from autumn to spring.

Crown and root rots may occur in warm humid weather throughout summer.

Possesses a wide temperature range of activity depending on the Bipolaris species.

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

Poor air movement (high humidity in the micro-climate).

Excessive nitrogen fertiliser.

Excessive thatch and loose leaf clippings provide a source of food for the fungus.

Any stress situation such as drought, herbicide injury or heavy traffic can increase the severity of the disease.

Click to Download

Products to Use Bipolaris