Full TGIF Record # 313038
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DOI:10.1002/csc2.20012
Web URL(s):https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/csc2.20012
    Last checked: 01/21/2021
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https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/csc2.20012
    Last checked: 01/21/2021
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Publication Type:
i
Refereed
Author(s):Meeks, Meghyn; Chandra, Ambika
Author Affiliation:Texas A&M AgriLife Research, Dallas, TX
Title:Drought response and minimal water requirements of diploid and interploid St. Augustinegrass under progressive drought stress
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 60, No. 2, March/April 2020, p. 1048-1063.
Publishing Information:Madison, Wisconsin: Crop Science Society of America
# of Pages:16
Related Web URL:https://acsess.onlinelibrary.wiley.com/doi/abs/10.1002/csc2.20012
    Last checked: 01/21/2021
    Notes: Abstract only
https://acsess.onlinelibrary.wiley.com/doi/10.1002/csan.20060
    Last checked: 10/26/2022
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    Notes: CSA News partial reprint
Related DOI10.1002/csan.20060
Abstract/Contents:"St. Augustinegrass [Stenotaphrum secundatum (Walt.) Kuntze] is a popular shade-tolerant turfgrass but has a higher water use rate compared with other warm-season turfgrasses. In an effort to improve drought resistance in St. Augustinegrass, the Texas A&M turfgrass breeding program has used embryo rescue technology and developed interploid (polyploid × diploid) hybrids to facilitate the combination of desirable traits from across ploidy levels. In this study, we determined the drought response and minimal water requirements of eight diploid and 18 interploid hybrids compared with Floratam, Palmetto, Raleigh, and TamStar during ~90 d of dry-down under a rainout shelter in 2015 and 2016. Digital images of percentage green cover were taken weekly and entries with green cover ≤50 ± 1% were supplied with 2.54 cm of water. Genotypic differences were observed, but overall, interploids demonstrated better drought response than diploids, as indicated by longer days to reach 50% green cover and a turfgrass quality of 5.0. Nine interploid hybrids, including TamStar, did not require any water to maintain above 50% green cover in both years as compared with Floratam, Raleigh, and Palmetto. Our results also show that minimum turfgrass quality of 5.0 was not maintained at the 50% green cover threshold and that 75-80% green cover more accurately represents the minimum quality for future drought evaluations in our geographic conditions."
Language:English
References:47
Note:Partial reprint appears in CSA News, 65(4) April 2020, p. 17 with variant title "Drought response and minimal water requirements of St. Augustinegrass"
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Meeks, M., and A. Chandra. 2020. Drought response and minimal water requirements of diploid and interploid St. Augustinegrass under progressive drought stress. Crop Sci. 60(2):p. 1048-1063.
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DOI: 10.1002/csc2.20012
Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/csc2.20012
    Last checked: 01/21/2021
    Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/csc2.20012
    Last checked: 01/21/2021
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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