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| Web URL(s): | https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/137364 Last checked: 04/01/2022 Requires: JavaScript |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Chang, Baoxin; Wherley, Benjamin; Chandra, Ambika; Kenworthy, Kevin E.; Milla-Lewis, Susana R. |
| Author Affiliation: | Chang and Wherley: Soil & Crop Sciences, Texas A&M University, College Station, TX; Chandra: Texas A&M AgriLife Research-Dallas, Dallas, TX; Kenworthy: Agronomy, University of Florida, Gainesville, FL; Milla-Lewis: Crop and Soil Sciences, North Carolina State University, Raleigh, NC |
| Title: | Characterization of drought tolerance mechanisms in St.Augustinegrass cultivars and experimental lines |
| Section: | Turfgrass physiology, molecular biology, and genetics poster (includes student competition) Other records with the "Turfgrass physiology, molecular biology, and genetics poster (includes student competition)" Section C05 turfgrass science Other records with the "C05 turfgrass science" Section |
| Meeting Info.: | Salt Lake City, Utah: November 7-10, 2021 |
| Source: | ASA, CSSA and SSSA International Annual Meetings. 2021, p. 137364. |
| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
| # of Pages: | 1 |
| Abstract/Contents: | "As drought has become more prevalent, especially for the south of U.S., great challenges are facing by the turfgrass industry to meet the potential more restrictive irrigation regulations. Development of drought tolerant turfgrass species could alleviate the future water pressure, and thus many superior lines with an ability to survive during periods of drought has been released through turfgrass breeding programs. St. Augustinegrass is one of the drought tolerant warm-season species and have played an important role in many semi-arid and arid regions in the south of U.S. Currently, new St. Augustinegrass lines have been developed through a multi-state, multi-institutional SCRI program. Understanding the drought tolerance of the new lines with comparing them with commercially available cultivars, and characterize their associated physiological mechanisms are much needed and will benefit the future turfgrass selection. Therefore, a dry down study with controlled environment has been conducted to study the interest. The study was conducted in a Texas A&M university owned greenhouse at College Station, TX. St. Augustinegrass included in this study are: Palmeto, Citra Blue, Raleigh, Line1606, and Line 1404. To initiate the study, sod plugs were washed free of soil and established into PVC columns (10.2 cm diameter x 30.5 cm deep), with a growing medium of 80:20 (vol:vol) sand:potting mix. All columns were given 6 weeks of acclimation period under well-watered condition before the dry down period. During the dry down period, 4 columns of each cultivar were kept well-watered, and another 4 columns were designated for gradually creating drought situation, which method provide an ability to determine the wilt point for each of the cultivar. The results showed that the drought tolerance is different between cultivars, which were explained by the distinction from daily losses of transpirable water and turf quality between cultivars." |
| Language: | English |
| References: | 0 |
| Note: | This item is an abstract only! "Poster #1260" "337" |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Chang, B., B. Wherley, A. Chandra, K. E. Kenworthy, and S. R. Milla-Lewis. 2021. Characterization of drought tolerance mechanisms in St.Augustinegrass cultivars and experimental lines. Agron. Abr. p. 137364. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/317158 |
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| Web URL(s) : | https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/137364 Last checked: 04/01/2022 Requires: JavaScript |
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