Tag: dollar spot

Leaf spot disease symptoms (Photo: Maria Tomaso-Peterson)

Leaf spot and dollar spot on ultradwarf bermudagrass greens

Ultradwarf bermudagrass (Cynodon dactylon x C. transvaalensis) is the predominant putting green turf in the southern U.S. This grass, however, produces profuse amounts of thatch, which leads to increased disease pressure from leaf spot (Figure 1), caused by Bipolaris cynodontis, ...

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Syngenta rolls out new resources for dollar spot control

November 27, 2018 By
To help golf course superintendents better manage dollar spot all season long, Syngenta launched a new solutions-based website, which includes a dollar spot prediction tool, trial data, videos and more. These new resources allow superintendents to actively monitor their courses ...

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Photo: Joseph Roberts

Another day, another dollar

July 18, 2018 By and
Dollar spot (Sclerotinia homoeocarpa F.T. Bennett) is a common disease of turfgrass worldwide. Even with adequate fertility and deployment of cultural controls, multiple fungicide applications typically are required for control. While organic amendments are considered promising alternative management tools, we ...

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Photo by: Damon Smith

Predicting dollar spot just got easier

As spring approaches, some especially devastating diseases once again rear their ugly heads. Argued to be the costliest disease of turfgrass worldwide, dollar spot will be on a lot of minds and in a lot of budgets. With warmer temperatures, ...

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Photo: Trevor Stacy

Putting the pH in pH-ungicide mixology

January 8, 2018 By and
Fungicides are mixed with water and applied as a dilute spray to control diseases on golf course turf. Although published reports show that water quality can influence the performance of certain herbicides, evidence of similar effects on fungicide efficacy is ...

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Clark Talks Turf: Rolling off the greens to save on dollar spot

December 14, 2017 By
Jay Popko is a research associate in the turfgrass pathology lab at the University of Massachusetts, where he leads field and laboratory research on rolling, fungicide efficacy and dollar-spot resistance to fungicides. You may reach Jay at jpopko@umass.edu for more ...

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