Author Archive

About Clark Throssell, Ph.D.

Clark Throssell, Ph.D., is the former director of the Purdue University turf program as well as the former director of research for GCSAA. Throssell is the research editor for Golfdom, focusing on managing the Super Science section of the magazine and website. He also contributes his "Clark Talks Turf" column to Golfdom every month.

Posts by Clark Throssell, Ph.D.

The dollars (and temps) of greens covers Posted on 12 Nov 2018 in the Columns & Current Issue categories.

Mike Richardson, Ph.D., is a turfgrass scientist at the University of Arkansas. Mike and his colleagues have been studying the air temperature at which temporary covers should be used on Read more»

Clark Talks Turf: Controlling basidiomycete fungi with Pedigree Posted on 15 Oct 2018 in the Columns categories.

Brian Aynardi, Ph.D., is a turfgrass pathologist and leads the fungicide development effort at PBI-Gordon as the company’s Northeast research scientist. You may reach Brian at baynardi@pbigordon.com for more information. Read more»

Clark Talks Turf: Photosynthesis and respiration Posted on 15 Aug 2018 in the Columns categories.

Jack Fry, Ph.D., is a turfgrass scientist at Kansas State University. Jack conducts research on water use, physiology and zoysiagrass cultivar development and teaches students and turf professionals. You may Read more»

Clark Talks Turf: Nitrogen mineralization Posted on 18 Jul 2018 in the Columns categories.

Kevin Frank, Ph.D., is a turfgrass scientist at Michigan State University. He conducts research on soil fertility, turf nutrition and soil physical and chemical processes in addition to publishing and Read more»

Clark Talks Turf: Stop the swatting Posted on 06 Jun 2018 in the Columns categories.

Timothy Gibb, Ph.D., is an entomologist at Purdue University. He has worked on numerous insect problems throughout his career, including turfgrass pests and insects that affect human health. You may Read more»

Clark Talks Turf: What spectral reflectance data tells us Posted on 15 May 2018 in the Columns categories.

Josh Friell, Ph.D., is a senior principal research scientist at Toro’s Center for Advanced Turf Technology. Josh devotes his time to advancing the acquisition of soil and plant data and Read more»