Anthracnose (Colletotrichum cereale) is a disease that can affect turf across the UK and Ireland. It is generally understood to be the second most common turf disease, after Microdochium patch.
The disease usually attacks Poa annua type species. It occurs during summer following stress caused by factors such as high temperatures, low fertility, dry soil and compaction. It’s likely to occur under high humidity.
The main symptom is irregular shaped and sized patches in which leaves initially yellow then develop a reddish colour following wilting. Diseased plants may be easily removed from the sward and the black rotted plant base easily seen – a highly characteristic symptom of Anthracnose disease.
As far as possible, compaction should be avoided by reducing wear over an affected area e.g. keeping the heavy traffic off the turf for a while. Regular aerating and spiking are also beneficial. In the summer months Anthracnose may be discouraged by timely and moderate nitrogen applications but do not apply fertiliser in the winter months as this could lead to severe outbreaks of Microdochium patch disease. Good turf management practices which aim to reduce the amount of Poa annua in the turf also reduce the likelihood of disease outbreak.
Approved fungicides can be used to control the disease.
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Ascernity delivers powerful new SDHI chemistry together with another trusted active for turf, difenoconzole. Together they deliver reliable dual action preventative and curative control.
Heritage WG is an extremely effective systemic strobilurin fungicide for the control of Microdochium patch, Take-all patch, Anthracnose, Brown patch, Leaf spot, Rust diseases and Type 2 Fairy rings in turf.
Instrata Elite is a broad spectrum foliar fungicide with both contact and systemic properties for control of Microdochium Patch, Dollar Spot, Brown Patch and Anthracnose in managed amenity turf.
Medallion TL is an extremely effective contact fungicide, that targets turf disease pathogens on the leaf, in the thatch and at the soil surface. Medallion TL provides long-lasting protection in the cooler months from late autumn to early spring.
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