A recent study published in Crop Science offers valuable insights into large patch, a fungal disease that threatens warm-season turfgrasses like bermudagrass and zoysiagrass. Led by Samuel Kreinberg, a graduate student at the University of Arkansas, the research explores the disease’s causes, progression, and management strategies, providing a resource for homeowners and professionals alike.
Large patch, caused by a fungus, manifests as circular brown or yellow patches on lawns, particularly during spring. The disease thrives in wet conditions and moderate temperatures, often disappearing in drier summer months. The study highlights key factors influencing its spread, such as soil salinity, pH levels, and fertility, while also identifying gaps in current research, including breeding for disease-resistant grass varieties.
Samuel Kreinberg, the study’s lead author, conducted trials in Fayetteville and Alma, Arkansas, to examine large patches in zoysiagrass. His adviser, Wendell Hutchens, emphasized the practical applications of the findings, noting that proper lawn care, such as avoiding overwatering, mowing correctly, and fertilizing appropriately, can significantly reduce the disease’s impact.
“The paper is a helpful resource for golf course superintendents, sod growers, and homeowners struggling with large patch,” said Hutchens. Kreinberg added, “Understanding the disease cycle is critical for effective management.”
This research not only advances the understanding of large patches but also provides actionable strategies for maintaining healthy lawns. Future studies may focus on developing resistant turfgrass varieties, offering long-term solutions for this common lawn issue.
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