Full TGIF Record # 310331
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Web URL(s):https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/119519
    Last checked: 02/05/2020
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Booth, Jordan; Goatley, James M.; McCall, David S.; Askew, Shawn D.
Author Affiliation:Booth: Plant Pathology, Physiology, and Weed Science, Virginia Tech, Moseley, VA; Goatley and McCall: School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA; Askew: Plant Pathology, Physiology, and Weed Science, Virginia Tech, Blacksburg, VA
Title:Impact of woven polypropylene covering strategies on bermudagrass canopy temperatures
Section:C05 turfgrass science
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Meeting Info.:San Antonio, Texas: November 10-13, 2019
Source:ASA, CSSA and SSSA International Annual Meetings. 2019, p. 119519.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Keywords:TIC Keywords: Air movement; Canopy temperature; Polypropylene covers; Protective covers; Woven fabrics
Abstract/Contents:"Turfgrass managers use woven polypropylene covers to insulate and protect warm-season turfgrasses during periods of freezing temperatures. Previous research has demonstrated that turfgrass covers provide higher minimum temperatures when compared to uncovered areas but single covers, alone, have not always provided adequate protection. Our research aims to explore covering strategies for improved insulation efficacy. Based on field observations, we hypothesize that canopy temperature of covered turfgrass will increase when 1) two covers are used (double covering) and 2) an air gap layer is added between the cover and turfgrass canopy. Research objectives of this study included comparison of average overnight canopy temperatures (AOT) and daily minimum canopy temperatures (DMT) for five different covering treatments; 1) untreated 2) single black, woven polypropylene cover 3) single cover with an air gap between the cover and the turfgrass 4) two black, woven polypropylene covers 5) two covers with an air gap between the bottom cover and the turfgrass. Cover treatments were arranged in a completely randomized design in Blacksburg, VA continuously between December and March of 2016-2017 and 2017-2018. Canopy temperature data were collected continuously and converted to AOT and DMT for analysis. Data revealed that cover treatments were only impactful when air temperatures were below freezing. The lower the air temperature, the more impact the covers had on buffering canopy temperature. Double cover treatments provided significantly warmer AOT and DMT when compared to single cover or untreated plots. Treatments with an air gap did not consistently provide warmer AOT or DMT and provided significantly colder AOT when single covers with an air gap were compared to single cover treatments. This research demonstrates that double cover treatments have a significant impact on canopy temperatures. In contrast, an air gap does not consistently provide increased canopy temperatures and can be detrimental to canopy temperatures."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Booth, J., J. M. Goatley, D. S. McCall, and S. D. Askew. 2019. Impact of woven polypropylene covering strategies on bermudagrass canopy temperatures. Agron. Abr. p. 119519.
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