Ten Spring Time Turf Problems

Can you name the spring time problem shown below? The description and answer for each picture is provided.

Picture 1: Common on perennial ryegrass fields during a rainy spring. Answer: Red thread disease (Laetisaria fuciformis)


Picture 2: This C4 grass typically emerges between April 20th-25th in central Ohio. Answer: Crabgrass (Digitaria)


Picture 3: Mild, cloudy & wet weather compounds this problem on Kentucky bluegrass & perennial ryegrass turf. Answer: Leaf spot (Drechslera)


Picture 4: Perennial ryegrass will alert you quickly to this problem. Answer: Blunt mower blades


Picture 5: A small price to pay for the wonderful work they do. Answer: Earthworm casts


Picture 6: Some nitrogen would help this situation. Answer: Rust disease (Puccinia sp.)


Picture 7: One of the five most widely distributed plants on the planet. Answer: Annual bluegrass (Poa annua)


Picture 8: This summer annual is a clear indicator that the soil is compacted. Answer: Prostrate knotweed (Polygonum aviculare)


Picture 9: These apple-green patches of fine turf will go dormant & brown in the summer heat. Answer: Rough bluegrass (Poa trivialis)


Picture 10: Winter annual that will quickly take over in bare spots. Answer: Common chickweed (Stellaria media)
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Turf n Tacos!

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The Ohio State University Plant Science Online Certificates

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