Developing A Tribute Programme For Crowsfoot Control

Developing a Tribute^® programme for Crowsfoot control must take into account the size of the Crowsfoot Grass plants and the mowing height of the Couch Grass. Tribute has been successfully used for Crowsfoot control in the USA for many years and research from there gives us some good guidelines:

Large plants in high cut turf

Best results are from two applications of Tribute at 2L/ha tank mixed with metribuzin at 0.28Kg/ha.

Small plants (up to 3 tiller) in high cut turf

2–3 sequential Tribute applications at 2L/ha, 14 days apart, on plants up to 3 tiller size.

Crowsfoot on Couch Grass greens

• The most effective treatment program tested on mature Crowsfoot Grass on golf course greens was;
  • Three applications of Tribute at 2L/ha plus sprayable ammonium sulphate at 4.5kg/ha and methylated seed oil (MSO) surfactant added at 1%.
  • Applied three times (14, and 56 days after the initial treatment for the repeat applications).
• Tribute is quickly metabolized by healthy Couch Grass but stress reduces the speed.
  • Avoid stress to greens within 1 week of application.
• Moisture stress.
• Mechanical injury, such as verticutting or aerification.

Send an e-mail or photograph to jyri.kaapro@envu.com if you have any questions.

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