Full TGIF Record # 248193
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Author(s):Menchyk, Nicholas; Bielenberg, Douglas G.; Martin, Samuel; Waltz, Clint; Luo, Hong; Bethea, Frank Jr.; Liu, Haibo
Author Affiliation:Menchyk: Farmingdale State College, Department of Urban Horticulture and Design, Farmingdale, NY; Bielenberg: Department of Biological Sciences; Martin, Bethea, and Liu: School of Agriculture, Forest, and Environmental Sciences; Luo: Department of Genetics and Biochemistry, Clemson University, Clemson, SC; Waltz: Department of Crop and Soil Sciences, University of Georgia, Griffin, GA
Title:Nitrogen and trinexapac-ethyl applications for managing 'Diamond' zoysiagrass putting greens in the transition zone, U.S.
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 49, No. 8, August 2014, p. 1076-1080.
# of Pages:5
Publishing Information:Alexandria, Virginia: American Society for Horticultural Science
Keywords:TIC Keywords: Application frequency; Ball roll distance; Clipping weight; Golf greens; Nitrogen fertility; Quality evaluation; Surface hardness; Thatch accumulation; Tissue testing; Trinexapac-ethyl; Turfgrass quality; Zoysia japonica
Cultivar Names:Diamond
Abstract/Contents:"As a result of the increasing popularity of fine-leafed zoysiagrasses on golf courses, a 2-year field study was conducted to assess 'Diamond' zoysiagrass [Zoysia matrella (L.) Merr.] putting green performance at The Cliff's Communities Turfgrass Research Facility in Marietta, SC. Factors included four nitrogen (N) fertility rates and two trinexapac-ethyl (TE) regimes. Foliar applications of 0, 4.9, 9.8, and 14.7 kg•ha-1 N were made once weekly for 7 and 15 weeks in 2009 and 2010, respectively. Trinexapac-ethyl was tank-mixed and applied weekly for 7 weeks during July to August at 0 or 0.017 kg a.i./ha totaling 0.120 kg a.i./ha for both growing seasons. Putting green performance was measured by assessing turf quality (TQ), ball roll distance (BRD), surface firmness (SF), leaf tissue nutrient concentrations, and thatch accumulation. Turfgrasses receiving 4.9 kg N/ha weekly exhibited acceptable TQ and greater SF and BRD than plots receiving 14.7 kg N/ha weekly on all rating dates in 2010 before seasonal dormancy. Trinexapac-ethyl reduced clipping yield by 15% to 43% and influenced BRD, SF, and tissue nutrient concentration across the 2-year study. Surface firmness decreased as total N input increased during the 2010 growing season and is presumably the result of an increase in leaf tissue causing a cushioned putting surface. Linear regression of thatch accumulation and SF were analyzed and found to be significant at four rating dates in 2010 indicating that as thatch organic matter increased, SF decreased. Nitrogen input for 'Diamond' zoysiagrass putting greens grown in the transition zone should begin at 73.5 kg•ha-1/year with supplemental N applications applied as needed."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Menchyk, N., D. G. Bielenberg, S. Martin, C. Waltz, H. Luo, F. Jr. Bethea, et al. 2014. Nitrogen and trinexapac-ethyl applications for managing 'Diamond' zoysiagrass putting greens in the transition zone, U.S.. HortScience. 49(8):p. 1076-1080.
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DOI: 10.21273/HORTSCI.49.8.1076
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MSU catalog number: b2217685a
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