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| Web URL(s): | https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/112928 Last checked: 11/15/2018 Requires: JavaScript |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Cox, Katherine; Erickson, John; Rios, Esteban F.; Unruh, J. Bryan; Kenworthy, Kevin E. |
| Author Affiliation: | Cox: University of Florida, Gainesville, FL; Erickson and Kenworthy: Agronomy Department, University of Florida, Gainesville, FL; Rios: Agronomy, University of Florida, Gainesville, FL; Unruh: Environmental Horticulture Department, University of West Florida Research & Education Center, Jay, FL |
| Title: | Polyethylene glycol effects on zoysiagrass root growth in a hydroponic system. |
| Section: | C05 turfgrass science Other records with the "C05 turfgrass science" Section Turfgrass management and ecology poster (Includes student competition) Other records with the "Turfgrass management and ecology poster (Includes student competition)" Section |
| Meeting Info.: | Baltimore, Maryland: November 4-7, 2018 |
| Source: | ASA, CSSA and SSSA International Annual Meetings. 2018, p. 112928. |
| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Canadian Society of Agronomy] |
| # of Pages: | 1 |
| Keywords: | TIC Keywords: Drought resistance; Genetic analysis; Genotypes; Hydroponics; Polyethylene glycol; Zoysia |
| Abstract/Contents: | "Urban growth throughout the state of Florida has placed a greater strain on the states limited water resources. Therefore, improved drought tolerance in turfgrass is important to reduce the need for supplemental irrigation to maintain the aesthetic value and functionality of turfgrass areas. Historically, the testing of drought tolerance in turfgrasses is conducted using field evaluations under drought conditions. However, periods of drought are unpredictable and variable, which can hamper breeding programs focused on drought responses. This study aims to identify drought-tolerant zoysiagrass genotypes using a polyethylene glycol (PEG) screening method in hydroponic systems. To do so, 13 zoysiagrass (Zoysia spp.) genotypes including entries germinated in PEG, were grown in hydroponic culture with no PEG (control) or an increasing concentration of PEG over the course of four weeks. The experiment was arranged as a randomized complete block design in a split-plot arrangement. The hydroponic cultures (no PEG and PEG) were split into the 13 genotypes comprised of four commercial cultivars ('Zeon', 'Icon', 'Palisades', and 'Empire') and nine experimental lines. During the treatment period, plants were evaluated for growth and morphological characteristics that included root emergence, root length density, root surface area, average root diameter, wilting, and new leaf production. Results showed that root length, root surface area, and average root diameter had larger values in the no PEG treatment. Zoysiagrass grown in hydroponic culture with no PEG also began rooting sooner but did not produce more leaves than the PEG treatment. Genotypic differences were seen with root length, root surface area, average root diameter and new leaf production. Results from this study will indicate the potential for using PEG as an efficient screening method to select for zoysiagrass genotypes that are better able to tolerate drought conditions." |
| Language: | English |
| References: | 0 |
| See Also: | See also updated reprint "Polyethylene glycol effects on zoysiagrass root growth in hydroponic system" Golf Course Management, 87(8) August 2019, p. 73, R=307501.R=307501 Updated version appears in International Forage & Turf Breeding Conference, 2019, p. 47, R= 335673.R=335673 |
| Note: | This item is an abstract only! "Poster Number: 1261" |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Cox, K., J. Erickson, E. F. Rios, J. B. Unruh, and K. E. Kenworthy. 2018. Polyethylene glycol effects on zoysiagrass root growth in a hydroponic system.. Agron. Abr. p. 112928. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/302164 |
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| Web URL(s) : | https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/112928 Last checked: 11/15/2018 Requires: JavaScript |
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