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.
Click to Download
Products to Use Pythium Leaf Blight / Damping Off
Nobility Systemic Fungicide
Nobility Systemic Fungicide should be used preventively for the control of Pythium diseases in turf. Nobility Systemic Fungicide is an organic…
Read moreLexicon Intrinsic Fungicide
Lexicon delivers peak performance under pressure, optimising disease control and providing plants with longer, stronger roots and increased growth. Lexicon controls…
Read moreMayfair Fungicide
Mayfair Fungicide is a Liquid ME (Micro Emulsion) formulation that contains 240 g/L metalaxyl-M. Mayfair Fungicide has excellent protective activity; best…
Read moreSegway 400SC Fungicide
Segway 400SC fungicide from ISK Biosciences is a revolutionary new fungicide, providing Australian turf managers with a reliable new tool in the fight…
Read moreCaptan 800 WG
Captan 800 WG controls a broad spectrum of diseases in crops including apples, almonds, grapes, pears, pistachios, stonefruit, strawberries and ornamentals.…
Read moreMagellan 800WG
Magellan Fungicide is a targeted oomycete fungicide for the prevention and control of Phytophthora rots in ornamentals and Pythium in turf as specified…
Read moreTriumph Fungicide
Triumph fungicide is a targeted Pythium fungicide containing 240 g/L of the active ingredient Metalaxyl-M. It is specifically registered for the…
Read more
Vantage Fungicide
Vantage fungicide is a broad spectrum, systemic fungicide containing 95 g/L of the active constituent Azoxystrobin, a trusted chemistry for Australian turf…
Read more
Subdue Maxx
Subdue Maxx is a systemic and residual fungicide providing up to 21 days control, making it ideal for the control of…
Read moreHeritage Maxx
Heritage Maxx contains 95g/L azoxystrobin which combines systemic activity through xylem mobility, translaminar movement to encourage multi-site uptake and even distribution…
Read moreHeadway Maxx
Headway Maxx combines the strength, longevity and broad spectrum of Heritage MAXX with the speed and early curative action of Banner…
Read more