Full TGIF Record # 333414
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Web URL(s):https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/152871
    Last checked: 12/01/2023
Publication Type:
Content Type:Abstract or Summary only
Author(s):Boeri, Pablo Agustin; Unruh, J. Bryan; Kenworthy, Kevin E.; Schiavon, Marco; Blount, Ann; Reisinger, Alexander J.; Iannone III, Basil V.
Author Affiliation:Boeri: Presenting Author and Environmental Horticulture ,University of Florida West Florida Research & Education Center, Jay, FL; Unruh: University of Florida West Florida Research & Education Center, Jay, FL; Kenworthy: Department of Agronomy, University of FLorida, Gainesville, FL; Schiavon: Environmental Horticulture, University of Florida, Davie, FL; Blount: North FLorida Research and Education Center, Quincy, FL; Reisinger: Soil and Water Sciences Department, University of Florida, Gainesville, FL; Iannone III: University of Florida, Gainesveille, FL:
Title:Warm-season turfgrass and legume mixtures: Evaluating nitrogen fixation
Section:Turf management and ecology poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:St. Louis, Missouri: October 29-November 1, 2023
Source:ASA, CSSA, SSSA International Annual Meeting. 2023, p. 152871.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Interplanting perennial peanut into turfgrass have been proposed as an alternative to reduce N fertilizer needs in warm-season turfgrasses. In hay systems, nitrogen transfer from a legume to a grass depends on root sloughing or legume plant death. The objective of this study was to evaluate the nitrogen transfer and turfgrass response of four legumes on 'Pensacola' bahiagrass (Paspalum notatum Flugge) maintained as a lawn. The legumes selected included a stoloniferous perennial peanut (PP) (Arachis pintoi cv. 'Golden Glory'), two rhizomatous PP (A. glabrata Benth 'Ecoturf' and 'Cowboy'), and a southern US native stoloniferous legume (Mimosa strigilosa Torrey & A. Gray). The mixtures were established at Jay, FL in 2021 and evaluated through 2023. Plots were regularly mowed, and clippings were returned. The nitrogen tissue concentration and green color of bahiagrass were evaluated under monoculture and mixed with the legumes. The ╬┤15N natural abundance technique was used to calculate the percentage of N derived from the atmosphere (%Ndfa). Association with the legumes increased tissue N in bahiagrass. Negative ╬┤15N in the bahiagrass monoculture supports the claims that bahiagrass can fix N2. The %Ndfa in bahiagrass was 30-40%; similar to forage systems. The %Ndfa in the monoculture and bahiagrass + Golden Glory was 39% higher than bahiagrass associated with mimosa. Increased tissue N in bahiagrass + mimosa was attributed to higher VWC. Greater tissue N did not result in increased turfgrass color after 2 years."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Boeri, P. A., J. B. Unruh, K. E. Kenworthy, M. Schiavon, A. Blount, A. J. Reisinger, et al. 2023. Warm-season turfgrass and legume mixtures: Evaluating nitrogen fixation. Agron. Abr. p. 152871.
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    Last checked: 12/01/2023
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