Research

New nitrogen tester shows promise

May 19, 2015 By Curt Harler

A new nitrogen testing mechanism being tested at Merion Golf Club shows as much promise as a new Philly cheesesteak restaurant. It looks good — but needs some work. That’s the word from superintendent Matt Shaffer, who has been testing ...

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Plant Health Part 1: A healthy plant wins the race

May 18, 2015 By Stacie Zinn Roberts

When Joe Kennedy, CGCS, compares a healthy turf plant to a marathon runner, he knows what he’s talking about. He’s been the superintendent at Vanderbilt Legends Club in Franklin, Tenn., for 24 years, and he’s run 13 marathons, including the ...

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Impact of Irrigation Regime and Host Cultivar on Dollar Spot of Creeping Bentgrass

May 18, 2015 By Michigan State University

Dollar spot, caused by Sclerotinia homoeocarpa, is an important disease of turfgrass. Irrigation practices and host resistance can impact disease incidence and aesthetics on fairway turfgrass. This study was conducted to determine the impact of irrigation regime, based on timing ...

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Daily light integration — a new way to document shade issues

May 18, 2015 By Mike Richardson, Ph.D. and Jason Kruse, Ph.D.

It has been estimated that more than 25 percent of all turfgrasses are exposed to some level of shade, with shade being produced by a variety of sources, including trees, hardscape structures and buildings. There are a number of factors ...

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Suppressing annual bluegrass in fairways with plant growth regulators

May 18, 2015 By Clark Throssell, Ph.D.

Cale Bigelow, Ph.D., is a turfgrass scientist at Purdue University. He has conducted numerous studies on annual bluegrass control with plant growth regulators and cultural practices. Cale can be reached at cbigelow@purdue.edu for more information. Q: Briefly outline the application ...

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Bayer CropScience secures EPA registration for Signature Xtra Stressgard

April 22, 2015 By Grant Gannon

Environmental Science, a division of Bayer CropScience LP, has secured EPA registration of its Signature Xtra Stressgard fungicide. A new addition to its Stressgard Formulation Technology family, Signature Xtra Stressgard formulation provides application flexibility and consistent plant health benefits, according to the company. “At Bayer, we understand ...

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