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Photo: Karl Danneberger

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.

Turf MD: Dr. D notices a new summer agronomic problem Posted on 22 Aug 2023 in the Columns & From the Magazine categories.

Karl Danneberger, Ph.D., notices an uptick in excessive thatch and organic matter associated with an overall decline in turf. Read more»

Turf MD: A unique opportunity to watch a golf course evolve Posted on 14 Jul 2023 in the Columns & From the Magazine categories.

Karl Danneberger, Ph.D., recalls his personal history of volunteering at the Memorial Tournament, hosted at Muirfield Village GC in Dublin, Ohio. Read more»

Turf MD: How far we’ve come with zoysiagrass development and management Posted on 15 Jun 2023 in the Columns & From the Magazine categories.

Dr. D talks about the first course he ever saw using zoysiagrass, establishing and managing the grass and more in this month's Turf MD. Read more»

Turf MD: A lesson on frost heave from Iceland’s best Posted on 18 May 2023 in the Columns & From the Magazine categories.

Karl Danneberger, Ph.D., shares how seemingly minor agronomic issues in one location wreaks havoc for superintendents in another area. Read more»

Turf MD: Are golf courses really using too many pesticides? Posted on 18 Apr 2023 in the Columns & From the Magazine categories.

The Turf Doc is in! Golfdom Science Editor Karl Danneberger, Ph.D., chronicles the long history of pesticides in the game of golf. Read more»

Turf MD: Learning from my mistakes during a backyard turf renovation Posted on 16 Mar 2023 in the Columns & From the Magazine categories.

Golfdom Science Editor Karl Danneberger, Ph.D., reflects on the lessons learned from his experience with a backyard putting green. Read more»