Which grass types are affected by Yellow Patch?

Yellow Patch is primarily a disease that impacts specific types of cool-season turfgrasses, particularly Kentucky bluegrass and annual bluegrass. The pathogen responsible for Yellow Patch, Rhizoctonia solani, thrives in cooler, moist conditions, often manifesting as circular patches of yellow or brown grass, which can lead to significant aesthetic and health issues in the turf.

Kentucky bluegrass is particularly susceptible due to its growth cycle and environmental preferences that align with the conditions conducive to the disease’s spread. Annual bluegrass also shares vulnerability due to its similar growth habits and habitat, making these two grass types the primary hosts affected by Yellow Patch. The nature of the disease and its effects on these specific grasses underscore the importance of understanding turfgrass susceptibility in pest management practices.

The other grass types listed do not typically exhibit symptoms of Yellow Patch or are more resilient to this particular fungal infection, thus highlighting why they are not considered as majorly affected by the disease. This understanding is vital for effective turfgrass management and implementing correct pest control measures.