To advertise in this section contact


Peter Britton on 01952 898516 email: peter@pitchcare.com


Golf Classifieds THATCH ATTACK! SPORTS TURF CONTRACTORS   


 


Sports Ground Contractors Ltd Stuart Fricker 


 


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Thatch target for turf disease control


D W Clark DRAINAGE LTD


SPECIALIST SPORTSTURF CONSTRUCTION & DRAINAGE CONTRACTORS • Gravel Banding • Sand Slitting


• Top Dressing • Renovation • Irrigation Unit 7, Brailes Industrial Estate, Winderton Lane, Lower Brailes Banbury, Oxfordshire OX15 5JW


Tel: 01608 685800 Fax: 01608 685801 email: jim@dwclarkdrainageltd.co.uk Web: www.dwclarkdrainageltd.co.uk


quality. But, turf managers need to be looking deeper to identify and manage the source of the problem, writes STRI Head of Turfgrass Protection, Dr Ruth Mann.


D


isease attacks on the turf leaf cause visible damage and reduce playing surface


• Sports Pitch Construction • Earthworks • Maintenance • Drainage & Irrigation • Custom Grown Turf


• Install n Playball Turf Tiles 01400 251605


www.fine-turf.co.uk info@fine-turf.co.uk


FTS Sportsturf Services Limited


Sportsground & Amenity Contractors Drainage, Construction, Renovation & Maintenance


Cricket Pitch Specialists


Unit 39, Centerprise House, New Greenham Park, Newbury Berkshire, RG19 6HW Tel. 0845 519 2729 Fax. 0700 349 6494 Mobile. 07768 696291 web.www.fts-sportsturf.co.uk email.info@fts-sportsturf.co.uk


www.pitchcare.com 130


www.kestrelcontractors.co.uk


Tel: 01256 880488 Email: info@kestrelcontractors.co.uk


Natural & Synthetic


Renovation - Drainage - Maintenance Sports Pitch Design - Construction


The problem is that the pathogens that cause turf disease, including Fusarium, Dollar Spot and Anthracnose, may survive in the thatch or rootzone as spores or dormant mycelia, waiting for the right conditions to return. In some cases, the pathogen will be growing and proliferating in the turf base or rootzone long before we see the symptoms of the disease on the surface. Using Integrated Turf Management (ITM), to create an environment at the turf base that is unfavourable to the pathogen, will, therefore, reduce its ability to multiply so rapidly, and delay infection of the turf plants. This can be done in many ways, including aeration to encourage beneficial aerobic fungi and bacteria in the rootzone, which ‘fill’ the spaces where pathogens would live. These beneficial organisms will also break down organic matter - which is often also the food source that disease pathogens survive on. Adjusting the fertiliser strategy or irrigation scheduling, for example, will also affect the turf environment. Furthermore, fungicide application to the thatch has also been shown to reduce the inoculum of certain diseases. Work by Paul Koch, of the University of Wisconsin-Madison, demonstrated that applications of fungicide reduced the inoculum of Sclerotinia homoeocarpa and prolonged the period before Dollar Spot symptoms became unacceptable on turf. It was concluded that this early season fungicide use could reduce the following season-long fungicide programme by up to two applications - saving time and money. Therefore, on courses with continual history of a certain disease, applying an appropriate fungicide early in the season -


when we know the pathogen is multiplying, but before we see symptoms - may enhance the overall fungicide programme effectiveness and enhance turf quality.


Fludioxonil focus


Fludioxonil is a new contact fungicidal active ingredient from Syngenta - the first new contact for turf for over thirty years. But, unlike previous or current contacts which simply stick on the leaf surface to protect against disease pathogen attack, fludioxonil also works to tackle turf disease pathogens present on the leaf and in the thatch and soil.


prove an especially valuable attribute in targeting pathogens early, to reduce potential inoculum and minimise the damaging affects of disease on turf surface playing conditions. Fludioxonil causes the disease pathogen spores to absorb water, to the point where they explode and are rendered harmless to turf, reports Syngenta Technical Manager, Dr Simon Watson. “What’s exciting is that the active is bio-inspired to mimic a natural process of biological control in soil fungi,” he adds. “It has been developed and focused at a broad- spectrum of damaging turf disease pathogens, with minimal risk to beneficial fungi that are an integral part of a healthy soil ecosystem.” Furthermore, he highlights,


This contact plus activity could


trials have shown fludioxonil gives persistent long term control of Fusarium, typically lasting for up to 7–10 days longer than other contact fungicides.


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