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.

Kyllinga species a challenge to control Posted on 09 Jan 2020 in the Columns & Current Issue categories.

Clark Throssell, Ph.D., discusses why kyllinga species are a challenge to control with Scott McElroy, Ph.D., a turfgrass weed scientist at Auburn University. He conducts numerous weed control experiments every Read more»

Managing organic matter in greens Posted on 23 Dec 2019 in the Columns categories.

Clark Throssell, Ph.D., and Roch Gaussoin, Ph.D., discuss how golf course superintendents can manage organic matter in greens. Gaussoin is a turfgrass scientist at the University of Nebraska-Lincoln. He has Read more»

Maxtima and Navicon Intrinsic: New fungicides to help superintendents Posted on 07 Nov 2019 in the Columns categories.

Clark Throssell interviews Renee Keese, Ph.D. Keese is a biology R&D project leader in turf and ornamentals for BASF. She leads numerous field trials every year on new and commercially Read more»

Manuscript herbicide to control tropical signalgrass and other weeds Posted on 04 Oct 2019 in the Columns categories.

Lane Tredway, Ph.D., is a technical services manager with Syngenta. Lane has overseen numerous field experiments with Manuscript and other herbicides. You may reach Lane at for more information. Read more»

Fall broadleaf weed control in cool-season turf Posted on 17 Sep 2019 in the Columns & Research categories.

Dave Gardner, Ph.D., is a turfgrass scientist at The Ohio State University. Dave has conducted numerous weed management and control research projects to help superintendents achieve effective broadleaf weed control. Read more»

Fall Proxy applications for Poa annua seedheads Posted on 06 Aug 2019 in the Columns & Research categories.

Clark Throssell, Ph.D., interviews Zac Reicher, Ph.D., a technical specialist on the Green Solutions Team with Bayer Environmental Science. He has more than 30 years of turfgrass research experience and Read more»