Filtering by tag: turf ✕

NC State three-panel: turf "Cold Injury/Chloroplast Masking"; closeup "Purple Leaf Tip"; "Leaf spot"

Purple Bermudagrass Greens? Cold Weather Likely to Blame

This fall, the weather has been ideal for golf and mainly for reducing pathogen activity. Signs of mini-ring and take-all root rot are appearing on bermudagrass putting greens, but the pathogens were…

Grass field with large irregular brown and bare patches across the turf

Record Heat for Most of NC = Ugly Creeping Bentgrass and Tall Fescue

This summer has been extremely tough, to say the least. Raleigh, New Bern, and Wilmington are on pace for the hottest summer ever recorded, while Asheville, Charlotte, Fayetteville, and Boone are…

NC STATE UNIVERSITY banner; turf disease examples labeled Brown patch, Gray Leaf Spot, Pythium blight

Gray Leaf Spot Development in Tall Fescue

Gray leaf spot has appeared in NC. This disease is difficult to control because the fungus thrives when nighttime temperatures stay above 72°F and produces many spores. We typically see about 28 days…

The chart titled "Curative Suppression of Dollar Spot with Fungicides" from NC State University displays the percentage of dollar spot per plot over time, from May 13 to May 31. It compares six treatments: Secure, Maxima, Posterity, Daconil Ultrex, Chipco

What Is a Fungicide? That Is the Question!

I love the saying that Spring comes in like a lion and leaves like a lamb. It says we have no earthly idea what Spring holds for us. But by the end of Spring, all will be okay unless summer shows up…

EPA logo and text: United States Environmental Protection Agency on blue background

Proposed Interim Decision for Chlorothalonil and Implications in Turfgrass Systems

The U.S. Environmental Protection Agency (EPA) released its Proposed Interim Registration Review Decision for chlorothalonil (Registration Review Case #0097) on November 9, 2023, which contains major…

Golf putting green showing multiple circular brown turf damage patches

Why Should You Love Soil Temperatures When Managing Bermudagrass Diseases?

As the summer is coming to a close, except for 100oF temperatures in September, we are in the window to manage those important diseases of ultradwarf bermudagrass putting greens. Spring dead spot…

North Carolina map with red highlighted counties; "Tall Fescue Sample Submissions"; 2011–2020; n=215

10-Year NC Landscape Turf Sample Review

The following data was collected from samples submitted to the North Carolina State Turf Diagnostics Lab from 2011 to 2020. This information shows all of the diagnoses we have made on these hosts…

Preventive Management of PRR with Fungicides

Are You Pythed Off at Pythium Root Rot?

by Halle Hampy, Jim Kerns, and Lee ButlerYou have all heard that an ounce of prevention is worth a pound of cure. This is especially true when pathogens attack turfgrasses during the most stressful…

Effect of Urea (40-0-0) on turf quality and brown patch severity

Does Nitrogen Increase Brown Patch Severity in Tall Fescue?

In North Carolina, tall fescue is widely grown throughout the mountain and piedmont regions. North Carolina is in the transition zone, which is subject to hot, humid summers that predispose tall…

No image

How to Submit a Turf Sample

About Our LabWe diagnose and provide management recommendations for turfgrass diseases. For known pathogens, most samples are diagnosed within 24 hours of receipt (after one night of incubation).For…