Your behavior appears to be a little unusual. Please verify that you are not a bot.

Author Archive

About Scott McElroy, Ph.D.

Scott McElroy, Ph.D., is a professor in the Department of Crop, Soil and Environmental Sciences at Auburn University. He specializes in herbicide use in turfgrass as well as herbicide resistant weeds, plant growth regulator usage and general turfgrass agronomy research. He can be reached at

Posts by Scott McElroy, Ph.D.

Primo Maxx: To reapply or not? Posted on 06 Jun 2018 in the Research categories.

Making the decision to apply a plant growth regulator like Primo Maxx (Syngenta, trinexapac-ethyl) on ultradwarf bermudagrass (Cynodon dactylon x C. transvaalensis) is easy. In addition to growth suppression, Primo Read more»

Topramezone and Chelated Iron for Goosegrass Control Posted on 23 Jun 2017 in the Featured & Research categories.

Goosegrass (Eleusine indica) is one of the most problematic grassy weeds of turfgrass. Management can be difficult because of goosegrasses’ ability to thrive in extreme environments and the lack of Read more»

Preemergence weed control in warm season grasses is the key Posted on 19 Aug 2014 in the People & Research categories.

Preemergence weed control in warm season grasses is as important now as it has ever been Preemergence herbicides are the basis of all weed management programs in turfgrass. They should Read more»

Herbicide resistant annual bluegrass Posted on 25 Sep 2013 in the Research categories.

Coming soon to a course near you! In my opinion, herbicide resistance is a major cause of reduced annual bluegrass control. Superintendents normally place the blame of unsuccessful annual bluegrass Read more»