Typhula Blight Severity as Influenced by the Number of Preventive Fungicide Applications and Snow Compaction

Fig. 6. (A) Typhula blight was less severe on a Kentucky bluegrass tee at Breckenridge, CO, where snow was compacted for a Nordic track. (B) Note discoloration, but no Typhula blight, to a portion of Kentucky bluegrass fairway where a Nordic track had been placed.



Image from Plant Health Progress article:
Typhula Blight Severity as Influenced by the Number of Preventive Fungicide Applications and Snow Compaction