Web7 Jul 2024 · Turfgrass Diseases: Brown Patch (Causal Fungus: Rhizoctonia solani) Brown patch is a major summer foliar disease of golf courses, athletic fields, home lawns, parks, … WebSymptoms of summer patch are most prevalent during prolonged hot (65–85°F), humid, or wet weather on stressed turfgrass grown in poorly drained soils. Overhead irrigation also tends to increase disease pressure. …
BP-115-W - Purdue University
Web8 Jul 2024 · Summer patch has a crescent- or ring-shaped appearance and the disease can reoccur in the same spots over extended periods. Any state or region where cool-season grass is maintained on golf courses can be ripe for a potential summer patch outbreak. Web18 Oct 2024 · In Pennsylvania, brown ring patch occurs on annual bluegrass putting greens in May or June under a wide range of temperatures (60 to 95°F) and during overcast and … order personalized pins
Turfgrass Diseases: Quick Reference Guide - UGA
Web16 May 2024 · Summer Patch is caused by the agent Magnaporthe poae. This disease is susceptible to Kentucky bluegrass, Annual bluegrass, and fine-leaf fescue. Summer … On annual bluegrass putting greens, tees, and fairways, summer patch may begin as small (<4-inch diameter) circular patches that progress to larger (4 to 18-inch diameter) patches as the disease worsens. Large patches will often appear suddenly with no indication of previous disease activity. In severe cases, … See more Dark brown ectotrophic runner hyphae of the causal fungus colonize the surface of turfgrass roots during spring, summer, and fall, but do not typically initiate disease activities until … See more Summer patch usually occurs on susceptible grasses in midsummer during extended periods of high temperatures (> 82°F) following rainy … See more On golf courses, summer patch can be controlled with penetrant fungicides, provided applications are made on a preventative basis (3 to 4 weeks prior to symptom development) and high label-recommended rates … See more Because summer patch is a root disease, cultural practices that promote good root growth will aid in reducing disease severity. Increased … See more Web10 May 2011 · The best way to confirm summer patch is to express a sample to a diagnostic lab. Take a sample about the size of a cup cutter that is 4 or 5 inches deep … order personalized chopsticks