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.

The PGA Championship’s future challenges Posted on 15 Aug 2018 in the Columns categories.

We’re all excited for this month’s 100th PGA Championship at Bellerive Country Club in St. Louis. Although the club is more than 100 years old, members in 1955 hired Robert Read more»

Internal workings Posted on 18 Jul 2018 in the Columns categories.

The goal of plant health is to provide healthy, vigorous turfgrass by managing resources like radiant energy, moisture, air and nutrients. These resources consumed by the plant are managed primarily Read more»

King of spring Posted on 15 May 2018 in the Columns categories.

For me, spring break is a time for personal rejuvenation after a long winter. I’ve been kidded that I may be close to holding the record for going on the Read more»

Grow light use is, well, growing Posted on 12 Apr 2018 in the Columns categories.

Sunlight is one of the holy grails of turf, one that golf course superintendents recognize as an essential element for overall turf health. Trees are the most common culprits in Read more»

Impressions of 2018’s Golf Industry Show Posted on 26 Mar 2018 in the Columns categories.

Returning from GIS 2018 this past month, an email from Golfdom Managing Editor Abby Hart was waiting for me, reminding me of my March column deadline. What better time, I Read more»

The turf wave Posted on 15 Feb 2018 in the Research categories.

The audience “wave” has been common at sporting events in the United States for decades. It’s believed the wave was first done at National Hockey League games in the late Read more»