Evolution in closely adjacent plant populations X: long-term persistence of prereproductive isolation at a mine boundary
- 26 April 2006
- journal article
- Published by Springer Nature in Heredity
- Vol. 97 (1) , 33-37
- https://doi.org/10.1038/sj.hdy.6800835
Abstract
Flowering time differences between metal-tolerant and nontolerant populations of the grass Anthoxanthum odoratum growing across a mine boundary have persisted for over 40 years. These flowering time differences result in a high degree of prezygotic genetic isolation (isolation index=0.43) between the tolerant mine populations and nontolerant pasture populations. Previous work showing genetic determination of flowering time and a high turnover of individual plants argues strongly for the selective maintenance of this difference.Keywords
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