Update on ryegrass resistance to gray leaf spot
August 23, 2019
For those of you grappling with gray leaf spot (GLS), you already know that perennial ryegrass is among the most susceptible turf types to this dreaded disease. However, there is broad range of susceptibilities, and some newer varieties are showing much better tolerance to GLS. Turfgrass researcher Yuanshuo Qu (@HenryYsQ on Twitter) at Rutgers University provided this photo of ryegrass varietal resistance to gray leaf spot, demonstrating the great opportunity for use of plant resistance to manage gray leaf spot..…