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| Web URL(s): | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142218 Last checked: 01/24/2023 Requires: JavaScript; HTML5 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21011 Last checked: 08/14/2023 Notes: Crop Science reprint https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/csc2.21011 Last checked: 08/14/2023 Notes: Crop Science reprint https://acsess.onlinelibrary.wiley.com/doi/pdfdirect/10.1002/csc2.21011 Last checked: 08/15/2023 Requires: PDF Reader Notes: Direct download; Crop Science reprint |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Sapkota, Suraj; Kaur, Ravneet; Wang, Hongliang; Koo, Dal-Hoe; Harris-Shultz, Karen; Jespersen, David |
| Author Affiliation: | Sapkota: Presenting Author and USDA-ARS; Kaur and Jespersen: University of Georgia-Griffin Campus; Wang and Shultz: USDA-ARS; Koo: Kansas State University |
| Title: | Creation and morphological characteristics of tetraploid and mixoploid centipedegrass |
| Section: | Turfgrass Physiology, Molecular Biology, Microbiome, and Genetics Poster (includes student competition) Other records with the "Turfgrass Physiology, Molecular Biology, Microbiome, and Genetics Poster (includes student competition)" Section C05 turfgrass science Other records with the "C05 turfgrass science" Section |
| Meeting Info.: | Baltimore, Maryland: November 6-9, 2022 |
| Source: | ASA, CSSA, SSSA International Annual Meeting. 2022, p. 142218. |
| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
| # of Pages: | 1 |
| Abstract/Contents: | "Ploidy manipulation has been used in many crop improvement programs to develop plant species with wider adaptability and desirable traits. The objectives of this study were to create stable tetraploid centipedegrass lines and to evaluate them for beneficial morphological traits. To generate polyploid lines, TifBlair (2n=2x=18) seeds were treated with gamma radiation, callus was generated using tissue culture, exposed to glyphosate and regenerated into plantlets. After three years of continuous propagation, using flow cytometry and chromosome counts, two lines, HW16 and HW123, were found to be tetraploid and one line, HW61, was found to be a mixoploid. Nuclear DNA contents for diploid and tetraploid lines ranged from 1.58-1.66 and 3.24-3.35, respectively. Ten centipede lines which includes two tetraploid (HW16 and HW123), a mixoploid (HW61), and seven diploid (HW107, HW121, HW143, 16-TC-2521, 16-TC-1439, 16-TC-2389 and 15-TC-837) were assessed for genetic diversity using seven microsatellite markers. Using principal coordinates analysis (PCoA), the ten lines largely clustered by origin (derived from TifBlair or the UGA Breeding program). Six lines (HW16, HW123, HW61, HW107, HW121, and HW143) were evaluated for different morphological/physiological traits under greenhouse conditions. Traits evaluated included gas exchange parameters, water use rates, stomatal size and denll as shoot and root biomass and morphological traits. maintenance of lead hydration under drought, as well as shoot and root biomass and morphological traits." |
| Language: | English |
| References: | 0 |
| See Also: | Updated reprint appears in Crop Science 63(4) , July/August 2023, R=331123.R=331123 |
| Note: | This item is an abstract only! "372" |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Sapkota, S., R. Kaur, H. Wang, D.-H. Koo, K. Harris-Shultz, and D. Jespersen. 2022. Creation and morphological characteristics of tetraploid and mixoploid centipedegrass. Agron. Abr. p. 142218. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/324924 |
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| Web URL(s) : | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142218 Last checked: 01/24/2023 Requires: JavaScript; HTML5 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21011 Last checked: 08/14/2023 Notes: Crop Science reprint https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/csc2.21011 Last checked: 08/14/2023 Notes: Crop Science reprint https://acsess.onlinelibrary.wiley.com/doi/pdfdirect/10.1002/csc2.21011 Last checked: 08/15/2023 Requires: PDF Reader Notes: Direct download; Crop Science reprint |
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