Research

Cicada (Photo: 2manydogs / iStock / Getty Images / Getty Images Plus)

Turf MD: The spring invasion of the periodical invasion

May 11, 2021 By
Karl Danneberger, Ph.D., responds to a few frequently asked questions about the periodical cicada, which is set to emerge this spring. ...

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Golf ball on green with Poa annua seedheads (Photo courtesy of Elliot Dowling)

A prolific seed producer anywhere

May 4, 2021 By
Researcher Elliot Dowling describes how to manage Poa annua seedheads, which can affect putting green smoothness in the spring. ...

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Necrotic ring spot often appears in Kentucky bluegrass where the organic layer under the soil has built up. (Photo: photo by: Paul Koch, Ph. D.)

Know the signs of necrotic ring spot in turf

April 15, 2021 By
The opportunistic pathogen of necrotic ring spot looks for Kentucky bluegrass turf with a thick, lush organic layer to thrive. Follow these tips to keep the pathogen at bay. ...

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Nematodes on the March

Nathaniel Mitkowski, Ph.D., discusses the best testing and control methods for nematode populations on golf courses across the U.S. ...

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Thatch can be controlled by implementing practices such as topdressing, aerification and verticutting. (Photo: Bob Harper)

Experts’ Insights: Thatch meets its match

March 23, 2021 By
Manufacturers and superintendents alike explain the best practices that can be used to help control excessive thatch on golf courses. ...

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Damage caused by ground pearls on a bermudagrass putting green. Symptoms often include initial thinning and texture changes, followed by loss of turf in the forms of straw or bare soil. (Photo: David M. Kopec)

Control of ground pearls using application sequences of different insecticides

March 18, 2021 By
Ground pearls are a problem on courses in desert conditions, but applying closely timed rotations of performance-based insecticides shows control promise. ...

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