Full TGIF Record # 214787
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Web URL(s):http://www.cabi.org/cabdirect/FullTextPDF/2008/20083097700.pdf
    Last checked: 01/29/2013
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Publication Type:
i
Refereed
Author(s):Lee, Geungjoo; Carrow, Robert N.; Duncan, Ronny R.
Author Affiliation:Lee: Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeong-Eup, Korea; Carrow: Department of Crop and Soil Sciences, University of Georgia, Griffin, GA; Duncan: Turf Ecosystem, LLC., Boerne, TX
Title:Identification of new soluble sugars accumulated in a halophytic seashore paspalum ecotype under salinity stress
Source:Horticulture, Environment and Biotechnology. Vol. 49, No. 1, 2008, p. 13-19.
# of Pages:7
Publishing Information:Suwon, Korea: Korean Society for Horticultural Science
Related Web URL:https://www.cabdirect.org/cabdirect/abstract/20083097700
    Last checked: 10/24/2016
    Notes: Abstract
Keywords:TIC Keywords: Carbohydrate concentration; Galactose; Glucose; Halophytes; Osmolytes; Paspalum vaginatum; Salt tolerance
Cultivar Names:Swartz
Abstract/Contents:"Seashore paspalum (Paspalum vaginatum Swartz) is a warm season turfgrass recognized as the most salt tolerant among the turfgrass species. This experiment was designed to analyze carbohydrate components in a salt tolerant ecotype HI 101 of seashore paspalum turfgrass, which was grown in a nutrient solution at ECw50 (50 dS•m-1) salinized with a sea-salt mixture (i.e., sea water=54 dS•m-1). Freeze-dried and ground aerial parts were extracted in 80% or 100% methanol, which were further hydrolyzed for a composition analysis by using a GC or GC-MS method. A GC method for detecting carbohydrate types showed that HI101 contained small amounts of arabinose (3.6 mole%), xylose (2.6%), mannose (1.2%), and glucuronic acid (5.1%), while the major components were galactose and glucose at 18 and 70%, respectively. Another alditol acetate method (GC-MS), for detection of neutral sugars, also indicated different kinds of carbohydrate with a higher amount of galactose (17 mole%) and glucose (62%), as well as minor carbohydrates such as xylose (7.8%), arabinose (4.7%), rhamnose (4.4%), and mannose (3.9%). In the previous analysis, some sucrose, fructose, myo-inositol, and glucose had already been accounted for; thus, the major peak might be a hexose galactose which was positively accumulated in the HI 101 with increasing salinity and incorporated into a cell-wall polysaccharide, revealing it as a compatible solute and osmoprotectant. The calculated solute potential by galactose and glucose was -2.5 and -12.4 bar, respectively, which accounted for 10 and 48% of a solute potential decrease at the 50 dS•m-1 salinity level."
Language:English
References:26
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lee, G., R. N. Carrow, and R. R. Duncan. 2008. Identification of new soluble sugars accumulated in a halophytic seashore paspalum ecotype under salinity stress. J. Korean Soc. Hortic. Sci. 49(1):p. 13-19.
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http://www.cabi.org/cabdirect/FullTextPDF/2008/20083097700.pdf
    Last checked: 01/29/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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