Grey leaf spot is a turfgrass disease that often first appears as as tiny, brown leaf and stem lesions, which enlarge rapidly into round to oblong spots. However, symptoms of Grey Leaf Spot will vary depending on the grass cultivar. Grey Leaf Spot disease is often more severe in newly established planting with high nitrogen levels.
What are the symptoms of grey leaf spot?
The symptoms of Grey Leaf Spot will vary depending on the grass cultivar. However, some general symptoms include:
Grey Leaf Spot first appears as tiny, brown leaf and stem lesions, which enlarge rapidly into round to oblong spots.
The largest spots may extend nearly across the entire leaf and become a bluish-grey in colour.
Mature lesions are tan to grey with purple to brown borders.
A halo or general chlorosis may occur around or near spots.
The spots may be covered with a grey mould during periods of warm, humid weather.
When the disease is severe, the entire planting may appear scorched as if it were suffering from severe drought.
Exteris Stressgard Fungicide provides outstanding broad-spectrum disease control, turf quality and application flexibility. Contains a unique SDHI active ingredient as well as new Leaf-Cote technology to improve spray droplet coverage and retention, as well as reduce dry time on the leaf.
Xzemplar™ is a turf fungicide offering advanced systemic movement of the active ingredient, Fluxapyroxad. Xzemplar combines a quick knockdown and powerful, long lasting control.
Quali-Pro Enclave is registered for the broad spectrum, eradicant, curative and preventative control of Brown Patch, Fusarium Patch, Anthracnose, Dollar Spot, Helminthosporium, Grey Leaf Spot and Spring Dead Spot in all recreational turf management situations.
Dedicate FORTE Stressgard® is a broad-spectrum DMI fungicide containing tebuconazole (240 g/L) with Stressgard Formulation Technology, and controls tough soil-borne and foliar fungal diseases in both cool and warm season turfgrass.
Interface with Stressgard Formulation Technology offers the new standard in turf protection and is Bayer’s most powerful turf fungicide to-date. It manages disease stress leading to improved turf quality and playability.
Azoxy 250 T&O Fungicide (active constituent Azoxystrobin) is an effective xylem systemic fungicide that delivers excellent protection for up to 28 days against a wide spectrum of Turf, Nursery Stock and Ornamental diseases.
Chloronil Pro Fungicide is a broad spectrum, contact or protectant fungicide for the control of a range of diseases fruit, vegetables and turf. It is registered for the control of Brown Patch, Dollar Spot and Grey Leaf Spot in all recreational turf situations. It is also registered for the control of Botrytis, Grey Mould, Rust and Septoria and Alternaria Leaf Blight for application on ornamental plants.
Vantage fungicide is a broad spectrum, systemic fungicide containing 95 g/L of the active constituent Azoxystrobin, a trusted chemistry for Australian turf professionals.
