United States Department of Transportation
i
Turfgrass Seed Variety Evaluation Process
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2023-05-01
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[PDF-3.36 MB]
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Edition:Final Report
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Abstract:This project addresses two critical needs: to update existing Minnesota Department of Transportation (MnDOT) turfgrass recommendation lists and to develop a new process to keep lists continually updated in a fair manner with data-driven recommendations. The authors evaluated the current list of MnDOT-approved turfgrass varieties and found underperforming varieties that should be removed. The authors then found new, improved varieties that should be considered for inclusion on the MnDOT lists. To facilitate a process to keep lists updated for the future, the authors first conducted a survey of seed distributors. Using their input, the authors developed a new process that MnDOT can use to approve turfgrass varieties for inclusion as official seed mixtures. Ultimately, this will lead to a more nimble, consistent, and clear process so that existing and new seed vendors can have complete confidence in data-driven decision making by MnDOT.
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