Pythium Root Dysfunction

Causal Agent: Pythium spp.

Susceptible Turfgrasses: Cool and warm season grasses.

Symptoms

Affected turf may appear thin, off colour and slow growing.
This may occur in small patches or as a general decline and loss of large turfgrass area.
Under cool, wet conditions symptoms may first appear as small, diffuse yellow patches of turf 4 to 7cm in diameter.
As temperatures rise, large areas of turf may wilt, turn brown and die.
In severely infected plants, crowns may appear water-soaked and root systems are greatly reduced in volume and vigour.
Roots and crown may be extensively discoloured.
No foliar mycelium is evident during infection.

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.
Pythium Root Dysfunction occurs in areas with high soil moisture, poor drainage and low light.
Areas with low mowing height and excessive wear.

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Products to Use Pythium Root Dysfunction

Nobility Systemic Fungicide

Nobility Systemic Fungicide should be used preventively for the control of Pythium diseases in turf. Nobility Systemic Fungicide is an organic…

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

Mayfair Fungicide is a Liquid ME (Micro Emulsion) formulation that contains 240 g/L metalaxyl-M. Mayfair Fungicide has excellent protective activity; best…

Signature Xtra Stressgard is a true systemic fungicide that controls tough turf diseases – pythium and anthracnose, as well as enhancing…

Segway 400SC fungicide from ISK Biosciences is a revolutionary new fungicide, providing Australian turf managers with a reliable new tool in the fight…

Magellan Fungicide is a targeted oomycete fungicide for the prevention and control of Phytophthora rots in ornamentals and Pythium in turf as specified…

Banol Systemic Fungicide is one of the most reliable and proven fungicides for Pythium control. It delivers preventative and curative protection…

Subdue Maxx is a systemic and residual fungicide providing up to 21 days control, making it ideal for the control of…

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

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

Pythium Root Dysfunction

Causal Agent: Pythium spp.

Susceptible Turfgrasses: Cool and warm season grasses.

Symptoms

Affected turf may appear thin, off colour and slow growing.

This may occur in small patches or as a general decline and loss of large turfgrass area.

Under cool, wet conditions symptoms may first appear as small, diffuse yellow patches of turf 4 to 7cm in diameter.

As temperatures rise, large areas of turf may wilt, turn brown and die.

In severely infected plants, crowns may appear water-soaked and root systems are greatly reduced in volume and vigour.

Roots and crown may be extensively discoloured.

No foliar mycelium is evident during infection.

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.

Pythium Root Dysfunction occurs in areas with high soil moisture, poor drainage and low light.

Areas with low mowing height and excessive wear.

Click to Download

Products to Use Pythium Root Dysfunction

Nobility Systemic Fungicide

Lexicon Intrinsic Fungicide

Mayfair Fungicide

Signature Xtra Stressgard

Segway 400SC Fungicide

Magellan 800WG

Banol

Subdue Maxx

Heritage Maxx

Headway Maxx