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| Web URL(s): | https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/136354
Last checked: 03/28/2022
Requires: JavaScript |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Ketchum, Cory C.;
Miller, Grady L.;
Milla-Lewis, Susana R. |
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| Author Affiliation: | Ketchum: Raleigh, NC; Miller and Milla-Lewis: Crop and Soil Sciences, North Carolina State University, Raleigh, NC |
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| Title: | Developing stress coefficients in hybrid bermudagrass |
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| Section: | C05 turfgrass science
Other records with the "C05 turfgrass science" Section
Turfgrass physiology and abiotic stress oral (includes student competition)
Other records with the "Turfgrass physiology and abiotic stress oral (includes student competition)" Section
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| Meeting Info.: | Salt Lake City, Utah: November 7-10, 2021 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2021, p. 136354. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Irrigation restrictions have led to reduced volume and occurrence of landscape irrigation. This has led to an increase importance of drought resistant cultivars that are efficient with their water use, while also maintaining an acceptable level of quality. Crop coefficients (Kc) are utilized to assist in reducing irrigation by comparing reference evapotranspiration (ETo) to actual evapotranspiration (ETa). Acting as a ratio to ensure accuracy during irrigation events. However, they are only relevant during times of non-limiting conditions and do not directly look at the individual cultivars ability to restrict evapotranspiration (ET). Stress coefficients (Ks) provide a means of further reducing water use, while maintaining minimally acceptable turfgrass quality. Acting similar as Kc values stress coefficients act as a ratio to understand the difference between actual ET during drought conditions and that or Kc and reference ET. With Irrigation restrictions becoming more abundant the ability efficiently irrigate turfgrass without waste is becoming more important. Ks values allow for an accurate prediction of water use and the monetary cost of the water use during drought conditions. All the while maintaining turfgrass at above an acceptable level. Ks values also provide a measure of cultivars individual ability to restrict water use, showcasing a measure of the drought resistance in the cultivars. Latitude was the best performing cultivar with a Ks value of 0.77425 and Celebration was the worst preforming at .97691. All the cultivars saw a decrease in ET, while maintaining a turf quality level above our set value for minimally acceptable turf." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"118-7" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ketchum, C. C., G. L. Miller, and S. R. Milla-Lewis. 2021. Developing stress coefficients in hybrid bermudagrass. Agron. Abr. p. 136354. |
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Last checked: 03/28/2022
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