Microdochium patch

Microdochium patch (Microdochium nivale) is a disease on fine turf surfaces. It is the most common turf disease in the UK and Ireland.

The disease occurs late autumn and early spring during cool humid weather, high nitrogen fertility and on thatchy poorly drained soil. The disease is discouraged by high potash and sulphate levels and acidic conditions. The main symptom is rapidly developing circular patches of 25-50mm diameter.

Leaves become brown and mushy. Sometimes pink or white cobweb-like fungal threads can be seen in early morning. To control Microdochium patch – promote good turf management.

Your aim is to promote healthy, vigorous growth. Fescue and Browntop bents are much more resistant to the disease. Moisture control to avoid humid surface conditions will do much to prevent disease attack.

Regular aeration and careful application of fertilisers with an appropriate sandy topdress will make the surface less moisture-retentive. Reducing water holding thatch is also beneficial. The return of clippings provides a substrate for disease development, so catch and remove the grass. Care should be taken when applying fertilisers as excessive nitrogen combined with cool wet weather can lead to severe disease outbreaks.

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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.

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FR321 is the optimum tank mix combination and rates for when you need the powerful balance of contact and systemic fungicide activity in one application – plus the colour and quality advantage of Ryder.

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Heritage 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.

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Heritage Maxx is a systemic strobilurin fungicide for the control of Microdochium patch, Take-all patch, Brown patch, Leaf Spot/ Melting Out, Rust diseases, Anthracnose and Type 2 Fairy Ring. Now subject to withdrawal notice. The timeline for the withdrawal of Heritage Maxx is as follows: 24th June 2023 for sale and distribution, 24th March 2024 for the disposal, storage and use of existing stock.

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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.

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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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