Pythium Leaf Blight / Damping Off

Causal Agent: Pythium spp.

Susceptible Turfgrasses: Cool and warm season turfgrass species.

Symptoms

  • Pythium Leaf Blight appears suddenly during hot, humid weather.

  • Patches occur these patches can enlarge at a rapid rate.

  • In the early morning, grass leaves appear water-soaked and dark in patches.

  • When rubbed between the fingers, these water-soaked patches feel oily.

  • Infected leaves become light tan to brown, shrivelled and matted when dry.

  • When humidity remains high, especially at night, the collapsed leaves become matted and covered with a fluffy white mass of fungal mycelium.

Conditions Favouring Disease

  • Hot days (30-35°C), humid or rainy weather when night temperatures are warm (above 20°C).

  • Relative humidity exceeding 90% for at least 14 hours and a minimum temperature not falling below 20°C.

  • Lush, dense grass growing under high nitrogen fertility is especially susceptible to attack.

  • Turf areas with poor drainage and air circulation.

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Products to Use Pythium Leaf Blight / Damping Off

Ban-Flo

Banflo Fungicide_5L_bottle for web

Ban-Flo is a systemic fungicide for the control of damping-off in ornamental plants, turf and eucalyptus forestry production nurseries caused by…

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Vantage Fungicide

Amgrow-Vantage-5L_bottle copy

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

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Banol

Banol final

60% Propamocarb Banol is a systemic fungicide that provides effective control of Damping Off in ornamental plants and turf caused by…

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Impala

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…

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TMTD 600

TMTD v2

60% Thiram TMTD 600 is a flowable form of 600g/L Thiram. TMTD 600 is highly effective in the control of Brown…

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Subdue Maxx

SubdueMaxx1L_June2015 rgb

24% Metalaxyl-M Subdue Maxx is a systemic and residual fungicide providing up to 21 days control, making it ideal for the…

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Signature

Signature v2

80% Fosetyl-Al Chipco Signature is a true systemic fungicide containing 80g/L Fosetyl-Al, which travels up and down within the plant. Chipco…

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Heritage Maxx

Heritage_Maxx_5LBottle_LR

9.5% Azoxystrobin Heritage Maxx contains 95g/L azoxystrobin which combines systemic activity through xylem mobility, translaminar movement to encourage multi-site uptake and…

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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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Fosetyl 800

Fosetyl 800

80% Fosetyl-Al Fosetyl 800 is a rapidly absorbed fungicide that is taken up by the plants leaves or roots and travels…

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