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.
Sunlight is made up of the visible light spectra, which is comprised of wavelengths between 380 nm and 700nm. Bookending the visible light spectra is ultraviolet (UV) and infrared wavelengths. Read more»
For northerners, one of the best times to watch golf on TV is during winter and spring months, culminating with the Masters Tournament. Watching golf on high-definition television while the Read more»
Of all the seasons, spring is where we see the greatest differences in growth and color among the turfgrass species caused by weather. Greens often appear as a patchwork of Read more»
Stomata are simple structures defined as a pore and accompanying guard cells. Occupying less than 1 percent of the leaf surface, stomata are gatekeepers between resources a plant needs, like Read more»
This past summer, Renata, one of my graduate students, received an internship offer from the USGA’s Green Section. She asked me about proper attire for the internship. Telling students what Read more»
Another holiday season is over and we have months of winter to look forward to. That means this is a lethargic time for me. My time is mainly spent eating Read more»