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.

Respect the putting green Posted on 13 Mar 2014 in the Columns & Research categories.

I have found that one of the thrills in golf is hitting a green in regulation, taking that long walk up the fairway through the approach area onto the putting green, Read more»

Spring triggers growing degree-days in turf Posted on 12 Feb 2014 in the Columns & Research categories.

With the arrival of spring, the warmth of the sun is most evident. As temperatures increase, plants and living organisms begin to grow and develop. Temperature is the driving force Read more»

Leadership isn’t something you clone Posted on 22 Jan 2014 in the Columns categories.

At the beginning of 1969, the University of Michigan hired Bo Schembechler as football coach. Previous to his hiring, Michigan was at best a mediocre team through the 1960s. Attendance Read more»

What happens to those green spaces? Posted on 11 Dec 2013 in the Columns & Maintenance categories.

I grew up in one of those subdivisions that were built in the 1950s as part of the middle class movement to suburbia. We lived on a dead-end street that abutted Read more»

The struggles of science: research funding dwindles Posted on 14 Nov 2013 in the Columns & Research categories.

One of the most exciting times of the year is early October when the Nobel Prize announcements are made. In science there is no higher award. My first realization of Read more»

Color by numbers? Not in turf: Yellow turf result of many environmental variables Posted on 05 Nov 2013 in the Columns & Research categories.

Summer’s closure always brings a time for agronomic reflection. Like past summers, predicting what the weather will do is difficult. Across the United States some areas were too hot, dry, Read more»