Tag: plant growth regulators

Photo 1. Penncross creeping bentgrass (outlined in blue) shows discoloration in response to lower nitrogen rates in evaluating 10 creeping bentgrass cultivars. (Photo by: Ohio State University)

New USGA research evaluating plant growth regulators

October 13, 2025 By
USGA-supported research at Ohio State and Rutgers is uncovering how plant growth regulators shape the performance of new creeping bentgrass cultivars. ...

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Photo: DSCimage/iStock / Getty Images Plus/Getty Images

Turf MD: In a growth drag race, Poa wins

April 15, 2025 By
Key differences between Poa annua and creeping bentgrass on golf courses. ...

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Turf MD: Why we need to remember the benefits of PGRs

May 10, 2022 By
Karl Danneberger, Ph.D., talks about the application and absorption characteristics of ingredients in plant growth regulators (PGRs). ...

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The impact of different PGR reapplication models on the turfgrass quality of a creeping bentgrass fairway mowed at 0.4 inch. (Photo by: William Kreuser, Ph.D.)

How to guide PGR applications by growing degree days

June 4, 2021 By
At the University of Nebraska, our lab has been creating models to predict the duration and performance of plant growth regulators (PGRs) using growing degree day (GDD) models. We have more than 570 different models specific to grass species, the ...

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RightLine launches Prohex 27.5 WDG plant growth regulator

May 26, 2021 By
RightLine enters the turfgrass plant growth regulator market with the launch of Prohex 27.5 WDG. The new product is the first alternative source of the active ingredient prohexadione calcium. Prohexadione calcium has recently earned a significant position in turf markets ...

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Race cars on track (Photo: mevans/E+/Getty Images)

Racing to better turf

October 1, 2020 By
Alan FitzGerald compares the concept of lighweight race cars to the idea of stripping back certain turf management practices. ...

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