Author Archive

About Karl Danneberger, Ph.D.
Karl Danneberger, Ph.D., is a professor in the department of horticulture and crop science at The Ohio State University. He is author of the popular The Turf Doc column that appears monthly in Golfdom. Karl writes on topics ranging from Poa annua to pest control.
Posts by Karl Danneberger, Ph.D.
Only 7 percent of the water used in Las Vegas is for golf courses. Karl Danneberger, Ph.D., looks at how water cuts could affect courses in the future. Read more»
Karl Danneberger, Ph.D., explains the parallels between classic car and golf course restoration and the key to successful renovation. Read more»
Karl Danneberger, Ph.D., talks about one of the classics that has been used for years in the fight to maintain turfgrass against diseases: QoI fungicides. Read more»
Karl Danneberger, Ph.D., responds to a few frequently asked questions about the periodical cicada, which is set to emerge this spring. Read more»
Columnist Karl Danneberger, Ph.D., relates lessons he learned from contracting COVID-19 last year to taking care of turfgrass. Read more»
Columnist Karl Danneberger, Ph.D., describes what challenges superintendents will face when spring inevitably comes as if shot from a cannon. Read more»