Research

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Half-life is not the whole story

May 7, 2019 By
There’s been a fair amount of chatter lately about fungicide half-life and what it means for disease control and fungicide resistance risk. Half-life is the time required for a substance to be broken down into half the original amount. It ...

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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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Removing coarse topdressing sand from greens

May 3, 2019 By and
Superintendents use topdressing to manage thatch accumulation and maintain smooth putting green surfaces. However, they often avoid topdressing during the growing season because residual coarse sand may interfere with play and dull mower blades. A field study was initiated in ...

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Meet Chrissie Segars, the new Extension turfgrass specialist at Texas A&M AgriLife

April 22, 2019 By
Hello, turf lovers! My name is Chrissie Segars, and I am the new Extension turfgrass specialist at Texas A&M AgriLife in Dallas. I grew up in a small town of fewer than 1,000 people in South Carolina, where the peaches ...

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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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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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