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| DOI: | 10.21273/HORTSCI.33.3.443 |
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| Web URL(s): | https://journals.ashs.org/hortsci/view/journals/hortsci/33/3/article-p443.xml
Last checked: 11/14/2019
Requires: PDF Reader
Notes: Item is within a single large file; Abstract only |
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| Publication Type:
| Refereed |
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| Author(s): | Cyril, Jenith;
Duncan, R. R.;
Baird, W. V. |
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| Author Affiliation: | Cyril and Baird: Dept. of Horticulture, Poole Agricultural Center, Clemson, Univ., Clemson, SC 29634-0375, Duncan: Univ. of Georgia, Griffin, GA 300223 |
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| Title: | Changes in membrane fatty acids in cold-acclimated turfgrass |
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| Section: | Crop physiology/temperature stress- cross-commodity
Other records with the "Crop physiology/temperature stress- cross-commodity" Section
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| Source: | HortScience. Vol. 33, No. 3, June 1998, p. 453 (054). |
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| Publishing Information: | Alexandria, VA: American Society for Horticultural Science |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Paspalum vaginatum; Fatty acids; Cold; Acclimatization; Cold resistance; Genetic factors; Cultivar variation
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| Abstract/Contents: | "Three genotypes of seashore paspalum, 'PI 299042', 'Adalayd', and 'PI 509018-1' considered to be cold-sensitive, intermediately cold-tolerant and cold-tolerant, respectively, were analyzed to investigate the biochemical basis of cold-tolerance. The cultivars were acclimated to 8/4 ^DG C day/night temperatures and rhizomes nodes and crowns were harvested at 7-day intervals over the 4-week experiment. Total lipid was extracted from these tissues, and the fatty acids present in the lipid fraction were identified by gas chromatography. Palmitic acid, stearic acid, linoleic acid and linolenic acid were the major fatty acids present. In cold acclimated tissues, the level of palmitic and stearic acid did not change significantly during the treatment period. There was a decrease in the level of linoleic acid by the second week of cold treatment. The amount of linoleic acid increased significantly during the second week of cold treatment corresponding to the decrease in linoleic acid. The change in amount was significantly greater in 'PI 509018-1' than in 'Adalayd' or 'PI 299042'. These results are similar to what was found for cultivars of bermudagrass that differ in their cold-tolerance phenotypes. Desaturases are enzymes involved in introducing the doupble bonds into the fatty acid chains. Research is underway to characterize and clone the genes encoding the Τ *t 3, Τ *t 6, and Τ *t 9 desaturases, which may have an important role in affecting the cold tolerance by altering the degree of membrane lipid fatty acid saturation." |
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| Language: | English |
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| References: | 0 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cyril, J., R. R. Duncan, and W. V. Baird. 1998. Changes in membrane fatty acids in cold-acclimated turfgrass. HortScience. 33(3):p. 453 (054). |
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| DOI: 10.21273/HORTSCI.33.3.443 |
| Web URL(s):
https://journals.ashs.org/hortsci/view/journals/hortsci/33/3/article-p443.xml
Last checked: 11/14/2019
Requires: PDF Reader
Notes: Item is within a single large file; Abstract only |
| 
MSU catalog number: SB 1 .H64 |
| Find from within TIC:
Digitally in TIC by file name: horts1998junabstract |
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