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.
I was heading to work and noticed the neighborhood kids waiting on the street corner for the school bus, as I had a thousand times before. Except this morning I Read more»
June at The Ohio State University and many other universities represents the end of the fiscal year. It’s also a time when retiring faculty officially bid adieu to the university. Read more»
Pythium blight (pathogen: Pythium spp. P. aultimum, P. aphanidermatum) during hot humid weather can be a serious problem on creeping bentgrass (Agrostis stolonifera) and annual bluegrasss (Poa annua) greens and Read more»
Solar radiation consists of a broad spectrum of wavelengths, from very short (cosmic rays) to very long (radio waves). Light that’s visible to the human eye makes up a narrow Read more»
I could not remember the last time I thought about smog. Until, that is, I ran into a few superintendents from China at the 2013 Golf Industry Show in San Diego. Read more»
Several years ago, Dr. Joseph DiPaola and I led a seminar about turfgrass stress. Dr. DiPaola started the seminar off by sharing our philosophy of turfgrass management, which basically stated Read more»