by Fred Yelverton Professor of Crop Science and Extension Specialist, NC State University Many golf course superintendents are concerned about root loss due to the extreme heat this summer. The chart below is a 12 month rooting pattern developed at the Sandhills Research Station in 2000 and 2001. Note that, averaged over 2 years, bentgrass lost 76%…

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by Rick Brandenburg, Professor of Entomology, NC State University Cutworms Cutworms are active on golf course putting greens. These infestations can continue until Thanksgiving, so be vigilant in monitoring for their presence. Most other turfgrass settings (golf course fairways, home lawns, athletic fields, etc) can tolerate the typical abundance of cutworms…

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Prepared by members of the Departments of Plant Pathology and Crop Science, College of Agriculture & Life Sciences, North Carolina State University. For more turf-related information, visit the NC State TurfFiles web site. Symptoms Pythium blight first appears as small, sunken, circular patches up to 1 foot in diameter during hot, humid weather. Leaves within…

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Laurence Mudge, Technical Service Lead, Bayer Environmental Science Cool start to 2010 2010 started out colder than normal in many parts of the United States, particularly in the southeast. The three month outlook from the national weather service (www.nws.noaa.gov) is predicting below normal temperatures for much of the southeast and transition zone. Weather patterns indicate this could…

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Getting the most out of a pesticide application requires proper diagnosis, appropriate timing, and a well-trained applicator. Unfortunately, in some cases a successful pesticide application never has a chance because of poor or inappropriate quality of water used to fill the spray tank. Learning to determine and understand the effect of spray tank water conditions…

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George H. Snyder and John L. Cisar Distinguished Professor, Emeritus and Professor, University of Florida/IFAS Two years in a row we witnessed the dramatic appearance of numerous brown quarter sized spots in a Poa trivilas overseeding of a Tifdwarf USGA green in Ft. Lauderdale.  In both cases the spotting occurred within days after routine fertilization with ammonium nitrate…

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by Raymond Snyder, Ph.D. Disease outbreaks can happen so fast. For this reason, disease management on golf course putting greens often requires the use of dual strategies in order to minimize the effects of fungal pathogens. A multi-pronged disease management program includes the use of both preventative and curative fungicides. Implementing multiple strategies…

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by Dr. John Cisar and William Kern, Jr.,  University of Florida, FLREC When  turf agronomist John Cisar came to Florida nearly 18 years ago, “the mole cricket” (actually a number of different immigrant mole cricket species in the Scapteriscus genera) was arguably the #1 insect pest of turfgrasses in the region.   Having been trained in the…

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Managing Your Soil Potassium G. H. Snyder and J. L. Cisar explain potassium’s important role in contributing to overall soil quality. Potassium (K) is second only to nitrogen in terms of plant requirements. Potassium plays a critical role in the control of and regulation of various minerals, water relations, promotion of meristematic tissue, and rooting. …

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Econem™ Biological Nematicide From Pasteuria Bioscience To Be Exclusively Distributed by Harrell’s LLC Targeted state registrations allow sale of Econem™for sting nematode control in turf grass throughout Southeast January 4, 2010 – ALACHUA, Fla. – Pasteuria Bioscience (http://www.pasteuriabio.com) and Harrell’s LLC have completed an agreement where Harrell’s will act as exclusive distributor for Econem™ Biological Nematicide.  Econem…

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