Research

Clark Talks Turf: Yellowjackets and garbage cans

September 1, 2017 By Clark Throssell, Ph.D.

Timothy Gibb, Ph.D., is an entomologist at Purdue University. Tim has worked on numerous insect problems throughout his career, including turfgrass pests and insects that can impact human health. You may reach Tim at gibbs@purdue.edu for more information. Q: Is ...

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One shot to succeed for snow mold control

August 24, 2017 By Paul Koch, Ph.D

One of the most important aspects of a superintendent’s job is effectively controlling disease. However, not all turf diseases are created equal. We sometimes observe certain diseases that are not necessarily destructive. Examples include many leaf spots and rusts. Other ...

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How low can ultradwarf bermudagrasses go?

August 18, 2017 By Eric DeBoer, Ph.D., Mike Richardson, Ph.D. and Doug Karcher, Ph.D.

As ultradwarf bermudagrass (Cynodon dactylon x C. transvaalensis) use moves farther north, there is increased risk of winter injury from low temperatures and desiccation. The use of protective covers during winter is an expensive but obligatory practice for ultradwarf bermudagrass ...

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Nematodes on northern turfgrasses

July 24, 2017 By Nathaniel A. Mitkowski, Ph.D.

Nematodes are everywhere. They’re found in all but the most extreme environmental conditions, in soils, oceans, rivers, streams, on plants, in plants and even in animals and humans. Fortunately, most nematodes are innocuous, eating bacteria and occasionally each other. Of ...

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Clark Talks Turf: Battling goosegrass

July 18, 2017 By Clark Throssell, Ph.D.

Scott McElroy, Ph.D., is a turfgrass weed scientist at Auburn University. Scott conducts numerous field and laboratory experiments each year to develop weed control strategies for golf courses. You may reach Scott at jsm0010@auburn.edu for more information. Q: How widespread ...

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Rolling plus biological control of Microdochium patch

July 18, 2017 By Clint Mattox, Ph.D., Alec Kowalewski, Ph.D. and Brian McDonald

Microdochium patch (Microdochium nivale) is a major turfgrass disease in cool, humid regions that causes extensive damage to annual bluegrass (Poa annua L.) putting greens in the absence of fungicides. Increasing restrictions on fungicide use and fungicide resistance has sparked ...

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