Research

Phosphorus fertilization effects on Poa annua

May 1, 2013 By
By Beth Guertal, Ph.D., and Scott McElroy, Ph.D. Annual bluegrass (Poa annua L.) is a common and persistent winter annual weed in southern landscapes. Previous research has indicated that phosphorus (P) may affect populations of annual bluegrass. Thus, the objective ...

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Good greens in early spring

April 1, 2013 By
Aaron Patton, Ph.D., is an assistant professor of turfgrass science at Purdue University and devotes a portion of his research to improving golf course playing conditions. He can be reached at ajpatton@purdue.edu. Q: What can superintendents do to provide greens that ...

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Trying to see through the smog

April 1, 2013 By
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
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
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
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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