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Published on: February 20, 2012
Polymorphic microsatellite markers in the invasive shrub Buddleja davidii (Scrophulariaceae)
Susanne Schreiter1, Susan K Ebeling, Walter Durka
1Helmholtz Centre for Environmental Research-UFZ, Department of Community Ecology, Theodor-Lieser-Strasse 4, D-06120 Halle, Germany.
Premise Of The Study:
Microsatellite primers were developed for the invasive plant Buddleja davidii, a Chinese shrub that is an invader in most other continents.
Methods And Results:
An invasive population was analyzed using eight di- and tetranucleotide microsatellite loci. The number of alleles per locus ranged from 5 to 14. Due to polyploidy, exact genotypes could not be determined. Progeny arrays were used to study the outcrossing rate using presence/absence data of alleles resulting in an estimate of multilocus outcrossing rate of 93%. The markers were successfully tested in five congeneric species.
Conclusions:
The results indicate the utility of these loci in future studies of population genetics and breeding systems in B. davidii and in congeneric species.
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