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Author Archive

About David McCall, Ph.D

David McCall, Ph.D, Virginia Tech University, can be reached at for more information.

Posts by David McCall, Ph.D

Iron sulfate and lightweight rolling for dollar spot Posted on 14 Oct 2019 in the Research categories.

Dollar spot (Clarireedia spp.) is one of the most damaging turfgrass diseases worldwide. Superintendents routinely apply a wide variety of broad spectrum and site-specific fungicides to suppress dollar spot, but Read more»

Ferrous sulfate for dollar spot suppression Posted on 15 Mar 2017 in the Research categories.

Researchers at Virginia Tech demonstrated in 2012 that ferrous sulfate applied at 1 lb./1,000 sq. ft. (20 percent ferrous sulfate-heptahydrate) can reduce dollar spot pressure without traditional fungicides. Because previously Read more»

Impact of turf fans on creeping bentgrass greens Posted on 18 Mar 2015 in the Research categories.

The physiology of creeping bentgrass [Agrostis stolonifera L. var palustris (Huds.)] is negatively impacted during periods of stress, decreasing the efficiency of many vital functions. Optimal creeping bentgrass growth occurs Read more»