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Genotypic and Genetic Diversity of the Common Weed Cirsium arvense (Asteraceae)
In many clonal species, seedling establishment is restricted to early successional stages when recruitment is still possible. Then, one expects that adapted genotypes become dominant and genotypic and genetic diversity should decrease with time. We investigated genotypic and genetic diversity within...
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| Published in: | International journal of plant sciences 2004-05, Vol.165 (3), p.437-444 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Citations: | Items that this one cites Items that cite this one |
| Online Access: | Get full text |
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| Summary: | In many clonal species, seedling establishment is restricted to early successional stages when recruitment is still possible. Then, one expects that adapted genotypes become dominant and genotypic and genetic diversity should decrease with time. We investigated genotypic and genetic diversity within recently founded and established populations of the common weed Cirsium arvense. We used highly polymorphic amplified fragments length polymorphism (AFLP) markers. All populations were multiclonal and highly diverse (the proportion of distinguishable genotypes was
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$$0.73\pm 0.25$$
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$$\mathrm{mean}\,\pm \mathrm{SD}\,$$
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]). Clonal evenness was variable and ranged from 0.2 to 1. Independent of successional stage, we found on the small geographic scale of our study ( |
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| ISSN: | 1058-5893 1537-5315 |
| DOI: | 10.1086/382801 |