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.

7Up and the early buying season Posted on 07 Nov 2019 in the Columns & Current Issue categories.

When I was sick growing up, my mom would make me drink 7Up. She thought it had medicinal properties and would take care of my ills. 7Up, which I now Read more»

A tribute to a mentor Posted on 04 Oct 2019 in the Columns categories.

My first day on the faculty at The Ohio State University was Dec. 1, 1983. On my second day, I went to the Ohio Turfgrass Conference and Show. After registering, Read more»

Analyzing different types of bunker sands Posted on 17 Sep 2019 in the Columns categories.

As a preteen, our family vacations consisted of arduous cross-country trips in a 1963 Chevrolet Bel Air station wagon. Our vacations originated in Illinois and spread to destinations in the Read more»

Controlling challenging turfgrass diseases: Pythium blight, wet wilt Posted on 06 Aug 2019 in the Columns categories.

Driving to work with my air conditioner blasting and “Cherry Cherry” (from the album “Hot August Night”) blaring on the radio, I started reminiscing about my college turfgrass classes. At Read more»

Don’t get collared by trouble Posted on 09 Jul 2019 in the Columns categories.

Within the rules of golf, the collar falls in the category of “through the green.” The definition of “through the green” (the term was changed, but more on that later) Read more»

A closer look at Hyde Park CC’s fairways Posted on 31 May 2019 in the Columns categories.

This spring, I headed to Hyde Park Country Club in Cincinnati to meet Superintendent Pat O’Brien. Hyde Park CC is a stately club, established in 1909 with a nine-hole course Read more»