Research

Trying to see through the smog

April 1, 2013 By Karl Danneberger, Ph.D.

I could not remember the last time I thought about smog. Until, that is, I ran into a few superintendents from China at the 2013 Golf Industry Show in San Diego. From what I was told (and later confirmed through my ...

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Cytokinins and seaweed extracts for summer putting green health

April 1, 2013 By Joelle Harms

By Erik H. Ervin, Ph.D. Summer decline of creeping bentgrass and Poa annua putting greens is becoming so prevalent in the upper South and transition zone that many courses have converted to ultra-dwarf bermudagrass. However, for those keeping their cool-season ...

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Impact of strobilurin applications on season-long turfgrass health

April 1, 2013 By Clark Throssell, Ph.D.

By Brandon Horvath, Ph.D. Four summer fungicide programs consisting of five applications on a 14-day interval were applied to a creeping bentgrass putting green in the transition zone. Strobilurin fungicides, pyraclostrobin, azoxystrobin, fluoxastrobin and trifloxystrobin were applied at the second ...

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Seth’s 2013 GIS Notebook

April 1, 2013 By Seth Jones

We can’t read his chicken scratches. We’re glad he can. I was cruising through an old issue of Golfdom from the 1940s the other day. I skimmed a story written by Golfdom founder Herb Graffis. It went on for pages, ...

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Moss control in creeping bentgrass greens

March 1, 2013 By J. Scott McElroy, Ph.D., Steven Borst, Ph.D. and Kelly Limpert

Moss infestations on creeping bentgrass (Agrostis stoloniferia L.) putting greens have become an increasing problem. Demand from golfers for a more competitive playing surface, coupled with the restriction of mercury-based pesticides, has made bentgrass putting greens ideal habitats for moss ...

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Purdue studies annual bluegrass control

March 1, 2013 By William Tudor and Kelly Limpert

Creeping bentgrass greens often are invaded by annual bluegrass. Management tools have potential to minimize annual bluegrass encroachment, but their interactions are not well understood. These include root-absorbed plant growth regulators such as flurprimidol (Cutless), fertility source (46-0-0 vs. 20-20-20), ...

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