Full TGIF Record # 333569
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Web URL(s):https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/149533
    Last checked: 12/08/2023
Publication Type:
Content Type:Abstract or Summary only
Author(s):Hutchens, Wendell J.; Doherty, Joseph; Booth, Jordan; McCall, David S.; DeBoer, Eric; Roberts, Joseph
Author Affiliation:Hutchens: Presenting Author and University of Arkansas, Fayetteville, AR; Doherty: Syngenta, Greensboro, NC; Booth: United States Golf Association, Bernards, NJ; McCall: School of Plant and Environmental Sciences, Viriginia Tech, Blacksburg, VA; DeBoer: University of Arkansas, Fayetteville, AR; Roberts: Clemson University, Florence, SC
Title:Influence of mowing height and late-season nitrogen applications on winter survivability of hybrid bermudagrass
Section:Turfgrass science oral II
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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. 149533.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Winterkill on hybrid bermudagrass (Cynodon dactylon x C. transvaalensis Burtt Davvy) is a major concern in areas where the turfgrass is exposed to sub-freezing temperatures. Recently, improved hybrid bermudagrass cultivars with greater cold tolerance have become commonplace in the Mid-Atlantic US on golf course fairways and athletic fields. However, climatic conditions in the Mid-Atlantic US still make winterkill a threat to the improved hybrid bermudagrass cultivars necessitating the development of best management practices for winterkill prevention in this region. Therefore, a study was conducted across three locations in the Mid-Atlantic US (Blacksburg, VA; College Park, MD; Midlothian, VA) from the summer of 2019 to the spring of 2021 to determine the effect of mowing height and late-season nitrogen applications on hybrid bermudagrass winter survivability. The study was a 2x3 factorial design with three different mowing heights (13, 19, and 25 mm) and two nitrogen application strategies (97.81 kg N applied mid-season) or 195.62 kg N (split applied mid-season and late-season). Percent green color in the fall and spring was visually assessed. Moreover, winter weed coverage and count data were collected in both years of the study. Data were subjected to analysis of variance and means were separated using either a Students t-test or a Tukeys HSD test (p < 0.05). Late-season nitrogen applications resulted in greater fall green color retention and more rapid spring green-up. The 13 mm mowing height increased green-up in some instances compared to the higher mowing heights, but the 19 mm and 25 mm mowing heights resulted in > 62% less winter weed coverage than the 13 mm mowing height. These data suggest that late-season nitrogen applications and raising mowing heights to at least 19 mm provide excellent green color and reduced winter weed pressure on hybrid bermudagrasses grown in the Mid-Atlantic US."
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hutchens, W. J., J. Doherty, J. Booth, D. S. McCall, E. DeBoer, and J. Roberts. 2023. Influence of mowing height and late-season nitrogen applications on winter survivability of hybrid bermudagrass. Agron. Abr. p. 149533.
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    Last checked: 12/08/2023
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