Phenotypic variation and stress resistance in core and peripheral populations of Hordeum spontaneum

Sergei Volis; Samuel Mendlinger; Linda Olsvig-Whittaker; Uriel N. Safriel; Nikolay Orlovsky

doi:10.1023/A:1008844504010

Phenotypic variation and stress resistance in core and peripheral populations of Hordeum spontaneum

Sergei Volis^*, Samuel Mendlinger, Linda Olsvig-Whittaker, Uriel N. Safriel, Nikolay Orlovsky

^*Corresponding author for this work

Alexander Silberman Institute of Life Sciences

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Abstract

The phenotypic variation and response of plants to water stress were studied in a field trial in populations of wild barley, Hordeum spontaneum Koch. from Israel and Turkmenistan. Populations from the species distributional core and periphery were compared and contrasted for phenotypic variation in 16 phenological and morphological traits. The peripheral populations (six) were found to be phenotypically more variable and more resistant to water stress than core populations (12). The association of water-stress resistance with high phenotypic variability gives support to the hypothesis that populations that are genetically more variable are better adapted or pre-adapted to environmental changes and are thus valuable for conservation.

Original language	English
Pages (from-to)	799-813
Number of pages	15
Journal	Biodiversity and Conservation
Volume	7
Issue number	6
DOIs	https://doi.org/10.1023/A:1008844504010
State	Published - 1998

Keywords

Core and peripheral populations
Phenotypic variation
Wild barley

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10.1023/A:1008844504010

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abstract = "The phenotypic variation and response of plants to water stress were studied in a field trial in populations of wild barley, Hordeum spontaneum Koch. from Israel and Turkmenistan. Populations from the species distributional core and periphery were compared and contrasted for phenotypic variation in 16 phenological and morphological traits. The peripheral populations (six) were found to be phenotypically more variable and more resistant to water stress than core populations (12). The association of water-stress resistance with high phenotypic variability gives support to the hypothesis that populations that are genetically more variable are better adapted or pre-adapted to environmental changes and are thus valuable for conservation.",

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AU - Orlovsky, Nikolay

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AB - The phenotypic variation and response of plants to water stress were studied in a field trial in populations of wild barley, Hordeum spontaneum Koch. from Israel and Turkmenistan. Populations from the species distributional core and periphery were compared and contrasted for phenotypic variation in 16 phenological and morphological traits. The peripheral populations (six) were found to be phenotypically more variable and more resistant to water stress than core populations (12). The association of water-stress resistance with high phenotypic variability gives support to the hypothesis that populations that are genetically more variable are better adapted or pre-adapted to environmental changes and are thus valuable for conservation.

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Phenotypic variation and stress resistance in core and peripheral populations of Hordeum spontaneum

Abstract

Keywords

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