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Web URL(s): | http://www.jstor.org/stable/2434468?seq=1#page_scan_tab_contents Last checked: 12/17/2015 Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Dixon, Jean M. |
Author Affiliation: | School of Environmental Sciences, University of Bradford, Bradford BD7 1DP, UK |
Title: | Drought Resistance in Sesleria Albicans Kit. Ex Schultes, Compared with Agrostis Capillaris L. and Cynosurus Cristatus L. |
Source: | New Phytologist. Vol. 103, No. 3, July 1986, p. 559-572. |
Publishing Information: | Oxford, England |
Keywords: | TIC Keywords: Drought resistance; Sesleria albicans; Agrostis tenuis; Cynosurus cristatus; Calcicoles
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Abstract/Contents: | "The drought resistance of Sesleria albicans Kit. ex Schultes, a species of limestone cliffs, screes and dry grassland has been compared with that of Agrostis capillaris L., a species particularly prevalent on dry acid soils, and Cynosurus cristatus L., a species abundant in meadows and pastures on damp to dry soils. The response of the three species to different watering regimes, which produced fluctuating water stresses of graded severity, was examined. The total dry weight yield of S. albicans was the highest, and the quantity of shoot material which died was the lowest under all water stress regimes. The effects of a six-week drought on the tree species were monitores. Relative water content, drought damage and the capacity to recover were compared. S. albicans showed least damage and quickest recovery at all stages of the drought. The potential for drought avoidance was determined by examining the water status of excised leaves after desiccation, whilst potential for drought tolerance was estimated by monitoring their survival. The density of leaf epicuticular was determined for a comparative sample of the three species. S. albicans showed greater drought avoidance and tolerance, and had a greater density of leaf epicuticular wax, than the other two species. It was concluded that S. albicans is highly resistant to drought and as such is well adapted to survive as a 'physical' calcicole in dry limestone habitats." |
Language: | English |
References: | 24 |
Note: | Summary as abstract Tables Figures Calculations |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Dixon, J. M. 1986. Drought Resistance in Sesleria Albicans Kit. Ex Schultes, Compared with Agrostis Capillaris L. and Cynosurus Cristatus L.. New Phytol. 103(3):p. 559-572. |
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| Web URL(s): http://www.jstor.org/stable/2434468?seq=1#page_scan_tab_contents Last checked: 12/17/2015 Access conditions: Item is within a limited-access website |
| MSU catalog number: QK 1 .N38 |
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