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| Web URL(s): | http://www.jstor.org/stable/2431773?origin=JSTOR-pdf
Last checked: 08/20/2012
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http://www.jstor.org/stable/pdfplus/2431773.pdf
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| Publication Type:
| Refereed |
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| Author(s): | Ahmad, I.;
Wainwright, S. J.;
Stewart, G. R. |
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| Author Affiliation: | Ahmad and Stewart: Department of Botany, The University, Manchester; Wainwright: Department of Botany and Microbiology, University College of Swansea, Singleton Park, Swansea, Glamorgan |
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| Title: | The solute and water relations of Agrostis stolonifera ecotypes differing in their salt tolerance |
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| Source: | New Phytologist. Vol. 87, No. 3, March 1981, p. 615-629. |
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| Publishing Information: | Oxford, England, United Kingdom: Blackwell Publishing, for the New Phytologist Trust |
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| # of Pages: | 15 |
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| Related Web URL: | http://www.jstor.org/stable/info/2431773#abstract
Last checked: 10/15/2013
Notes: Abstract only |
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| Keywords: | TIC Keywords: Salt tolerance; Chemical composition; Amino acids; Agrostis stolonifera; Proline
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| Geographic Terms: | UK |
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| Abstract/Contents: | "The water, ion, proline, amide, amino acid and quaternary onium contents of ecotypes of A. stolonifera isolated from salt marsh, spray zone and inland habitats were determined over a range of external salt concenyrations. When grown at high salinities the plants exhibited inhibition in the root water absorption and a reduction in the shoot water content, these being most pronounced in the inland ecotype and least in the salt marsh. In the presence of salt the accumulation of Na+ and Cl- in both shoots and roots was accompanied by a decline in tissue potassium content. At high salinities the increase in tissue ion content was greatest in the inland ecotype and least in the salt marsh ecotype. Proline, asparagine, glutamine, serine and glycine betaine showed increases in response to salinity, these being most pronounced in the salt marsh ecotype. The inland and spray zone ecotypes exhibited marked decreases in the aspartate and glutamate contents when grown at high salinities. With polyethylene glycol or mannitol in culture solutions, the salt marsh ecotype exhibited a greater ability to resist losses in shoot water content and to increase shoot proline, asparagine, glutamine and serine contents, than the inland and spray zone ecotypes. Changes in the solute and water status are discussed in relation to salt tolerance of the ecotypes." |
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| Language: | English |
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| References: | 43 |
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| Note: | Summary appears as abstract
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ahmad, I., S. J. Wainwright, and G. R. Stewart. 1981. The solute and water relations of Agrostis stolonifera ecotypes differing in their salt tolerance. New Phytol. 87(3):p. 615-629. |
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| Web URL(s):
http://www.jstor.org/stable/2431773?origin=JSTOR-pdf
Last checked: 08/20/2012
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/2431773.pdf
Last checked: 08/20/2012
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Access conditions: Item is within a limited-access website |
| 
MSU catalog number: b2219226 |
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