Gray leaf spot on newly seeded ryegrass
September 19, 2005
Are you planning to overseed ryegrass into areas that were damaged by gray leaf spot this summer? If you are, then don't forget that gray leaf spot can be a problem as long as the threat temperature on your PACE Weather Update is above 68F. The frequent irrigation used to assist in seedling germination, when combined with warm temperatures, make conditions even more cushy for the moisture-loving spores of gray leaf spot.
Before you overseed, you may want to consider…