2020 Harrell's BA Guide Coastal Plains and SE

KEYS TO EFFECTIVE FAIRY RING CONTROL

• Maintain regular, preventive applications throughout the season. • Initiate applications early in the season when soil temperatures reach 55°F to 60°F. • Deliver the active ingredient to the infested zone of the soil profile. • Apply soil surfactants regularly to maintain soil conditions and turf health. • Preventive fungicide applications do not require tank-mixing with a soil surfactant, but curative applications generally do.

• Determine how deep fairy ring infestation is for watering-in product applications. • 0.1-0.15” of irrigation is needed if limited to the thatch layer. • 0.25” of irrigation if 2-3” deep in soil. • Repeat applications on regular intervals to maintain consistent suppression in the soil. Fungicides are a long-term, preventive approach, not a short-term fix.

AN INNOVATIVE SOLUTION FOR FAIRY RING CONTROL Velista ® fungicide is recommended as the foundation of a comprehensive fungicide program to help prevent fairy ring. For best results controlling fairy ring, water in 0.7 oz. of Velista per 1,000 ft 2 . A watered-in application of Velista will also control several other important soilborne diseases like summer patch, spring dead spot and Rhizoctonia zeae . To control foliar diseases like brown patch, dollar spot and anthracnose, foliar applications of Velista must be made.

FAIRY RING PREVENTION AND RECOVERY IN CHAMPION BERMUDAGRASS Pine Valley Country Club, Wilmington, NC

• NC State University • Treatments applied on March 12 and April 13, 2015 and watered-in with 0.2” of irrigation. • Data collected June 17, 2015

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Fairy Ring Severity (0-8)

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