Research

An integrated nutritional, chemical approach to Poa annua control

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

By Nathaniel F. Reams, Xunzhong Zhang, Ph.D. and Erik Ervin Ph.D. Poa annua suppression and control in creeping bentgrass putting greens is a perennial challenge in many temperate climates. A nutritional approach to Poa annua control is frequent use of ...

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Under the microscope: Pythium blight

May 20, 2013 By Karl Danneberger, Ph.D.

Pythium blight (pathogen: Pythium spp. P. aultimum, P. aphanidermatum) during hot humid weather can be a serious problem on creeping bentgrass (Agrostis stolonifera) and annual bluegrasss (Poa annua) greens and to a lesser extent bermudagrass (Cynodon dactylon). Generally, this disease ...

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A multi-site contact fungicide for dollar spot control

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

Mike Agnew, Ph.D., is a senior field technical manager for Syngenta Turf and Landscape. Agnew is active in the development of many of Syngenta’s plant protectants, especially fungicides. He can be reached at michael.agnew@syngenta.com. Q: Secure is new to the turf ...

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Protecting turf from the sun’s rays

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

Solar radiation consists of a broad spectrum of wavelengths, from very short (cosmic rays) to very long (radio waves). Light that’s visible to the human eye makes up a narrow portion of the radiation spectrum, ranging from 380 to 775 ...

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Improve the efficacy of Tenacity for creeping bentgrass control

May 1, 2013 By Joelle Harms

By Deying Li, Ph.D. Since the launching of Tenacity (mesotrione) as a turfgrass herbicide by Syngenta in 2009, many studies have been conducted by researchers to take advantage of this unique product. One of its uses is selective control of ...

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Phosphorus fertilization effects on Poa annua