Research

Determining fungicide rates for soils old and new

February 15, 2018 By Kaiyuan Tang and Travis Shaddox, Ph.D.

Superintendents often follow best management practices (BMPs) for establishing turfgrass, which provide a range of nutrient applications that have been determined to be sufficient. However, many BMPs do not account for differences that may exist due to soils or nutrient ...

Read More

Does temperature influence hydraulic oil injury?

February 13, 2018 By William L. Berndt, Ph.D.

Hydraulic equipment is vital to turfgrass management. Hydraulic oil leaks occur because of equipment malfunction and/or human error. The leaks injure putting green turf and cause loss of turf quality because the oil kills turfgrass shoots. Most hydraulic oil leaks ...

Read More

Photos: Figure 2 provided by Dominic Petrella, all others provided by Karl Danneberger

Brushing stress away, or causing it?

January 26, 2018 By Gail Gu, David S. Gardner, Ph.D. and Karl Danneberger, Ph.D.

We have conducted a series of putting green-brushing studies over the last few years, spearheaded by one of our former graduate students, Gail Gu, for her Master’s degree thesis. In that time, technical advances in brushing attachments/units have changed how ...

Read More

Manipulating microbial ecology

January 25, 2018 By Murphey Coy, David Held, Ph.D. and Golfdom Staff

Water and fertilizer use for turfgrass and horticultural commodities is a local, state and national concern for these industries. Water availability for irrigation has decreased in recent years because of greater demands from agriculture, industry, domestic uses and climate variability. ...

Read More

Putting the pH in pH-ungicide mixology

January 8, 2018 By Trevor Stacy, Rick Latin, Ph.D. and Golfdom Staff

Fungicides are mixed with water and applied as a dilute spray to control diseases on golf course turf. Although published reports show that water quality can influence the performance of certain herbicides, evidence of similar effects on fungicide efficacy is ...

Read More

Clark Talks Turf: Rolling off the greens to save on dollar spot

December 14, 2017 By Clark Throssell, Ph.D. and Golfdom Staff

Jay Popko is a research associate in the turfgrass pathology lab at the University of Massachusetts, where he leads field and laboratory research on rolling, fungicide efficacy and dollar-spot resistance to fungicides. You may reach Jay at jpopko@umass.edu for more ...

Read More