Full TGIF Record # 93033
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DOI:10.21273/HORTSCI.38.7.1439
Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/38/7/article-p1439.xml?rskey=FZePqV
    Last checked: 11/19/2019
    Requires: PDF Reader
Publication Type:
i
Refereed
Author(s):Busey, Philip
Author Affiliation:Fort Lauderdale Research and Education Center, University of Florida, Fort Lauderdale, Florida
Title:Winter survival of St. Augustinegrass cultivars
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 38, No. 7, December 2003, p. 1439-1440.
# of Pages:2
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Cold resistance; Stenotaphrum secundatum; Winter injury; Temperatures; Stolons; Buds; Cultivars; Cultivar evaluation
Abstract/Contents:"St. Augustinegrass [Stenotaphrum secundatum (Walt.) Kuntze] has low freezing tolerance and suffers winter injury in the southeastern United States. Laboratory methods have determined that the lethal cold temperature of St. Augustinegrass stolons and buds is between -4.5°C and -7.7°C. The field survival of St. Augustinegrass to winter freezing is poorly known because most field reports have been based on a single location experiencing a single winter minimum air temperature. The objective of the study was to assess the winter survival of St. Augustinegrass cultivars across a range of winter minimum air temperatures occurring in experimental plantings at 24 Florida counties, following a severe Arctic cold front that moved through Florida beginning 21 Dec. 1989. Except for two counties, the limit for St. Augustinegrass winter survival was a minimum air temperature between -6°C and -9°C. Based on a nonlinear estimate using a 3-parameter sigmoidal model (R2 = 0.70, P < 0.0001), 50% survival of St. Augustinegrass would be predicted at -7.9°C. Time since planting had no relationship with survival. Differences among St. Augustinegrass cultivars were observed at only two counties."
Language:English
References:9
Note:Tables
Graphs
Geographic Terms:Southeastern United States
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Busey, P. 2003. Winter survival of St. Augustinegrass cultivars. HortScience. 38(7):p. 1439-1440.
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DOI: 10.21273/HORTSCI.38.7.1439
Web URL(s):
https://journals.ashs.org/hortsci/view/journals/hortsci/38/7/article-p1439.xml?rskey=FZePqV
    Last checked: 11/19/2019
    Requires: PDF Reader
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MSU catalog number: SB 1 .H64
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