Abstract: Zoysiagrass (Zoysia spp.) roughs are amongst some of the most easily played (improving pace of play) and easily managed (few inputs required with excellent weed suppression) of all the species used in golf course roughs. Breeding programs have “coarse-textured” germplasm available that has excellent stress and pest tolerance and fast establishment when managed with no inputs. The objectives of this study were to evaluate coarse Z. japonica germplasm for their performance and playability in multiple climates (warm-arid, warm-humid, transition zone) as a potential grass for golf course roughs and other golf low-maintenance areas. In summer 2018, propagated zoysiagrass germplasm was planted at five locations: 1) West Lafayette, IN; 2) Raleigh, NC; 3) Tifton, GA; 4) Chandler, AZ; and 5) Escondido, CA. In 2019 and 2020, plots were maintained at a golf course rough mowing height under low-maintenance regimes receiving minimal-to-no pest control, nitrogen fertilization, and supplemental irrigation. Based turf quality, drought stress resistance, insect and disease tolerance, winterkill, and golf ball lie data, several entries have been identified that are in the top performing group across locations. These top entries undergo further testing and potentially offer a superior golf course rough surface with little to no inputs and fewer long-term maintenance costs.Summary: Exploring the Use of Coarse Zoysiagrass Phenotypes as a Low-Input
Turf for Golf Course Roughs
Turf for Golf Course Roughs
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