Tag: Super Science

Measurement devices used in this research. From left to right: TruFirm, Clegg and TDR350 with Turf Rod Spacers at 0.5-, 1.0- and 1.5-inch depths. (Photo: Daniel O'Brien)

What putting green firmness measurements actually tell us

June 5, 2019 By , and
Firmness is an important attribute of championship greens, affecting both playability and durability of the putting surface. However, firmness can be interpreted and managed in various ways. Underlying factors often associated with firmness include volumetric water content (VWC), organic matter ...

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Sand cap (Photo: Bert McCarty)

Selecting appropriate sand-cap depths

June 5, 2019 By and
Poor drainage is a major concern for golf course superintendents. It can restrict play, which reduces income, potentially having a long-term negative financial impact on a course. Drainage problems are compounded by demands for perfect facilities and playability, while rainfall ...

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Compost amendment (Photo: Pete Landschoot)

Compost amendments on the golf course

May 7, 2019 By
If you are a golf course superintendent struggling with poor or marginal soils, compost amendments may provide some relief. A good-quality compost can improve structure in soils with a high amount of clay, reduce compaction and increase infiltration. Amending compost ...

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Effects of monthly urea applications (Photo: Emily Braithwaite)

Microdochium patch disease development

March 28, 2019 By , , and
Microdochium patch (Microdochium nivale) can severely damage annual bluegrass turf when it’s cool and wet for long periods. This disease has been controlled with fungicides, but applications of urea to reduce wear from golfer traffic have been known to incite ...

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Photo: Golfdom

Off-type grasses in ultradwarf bermudagrass greens

March 12, 2019 By
Golf course superintendents have reported issues with off-type grasses in ultradwarf bermudagrass (Cynodon dactylon x C. transvaalensis) putting greens over the past several years. These “weedy” grasses have disrupted putting green aesthetics and surface uniformity (Figure 1). Fundamentally, off-type grasses ...

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Annual bluegrass weevils (Photo: Charles Mazel)

Mowing down weevils

March 7, 2019 By
Many turfgrass managers in northeastern North America would rather forget the 2018 growing season. Record-breaking rainfall throughout the region affected most aspects of turfgrass management, including insect pest control. The annual bluegrass weevil (ABW), Listronotus maculicollis, is one insect pest ...

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