Use of diploid self incompatible rose genotypes as a tool for gene flow analysis in roses

Debener, Thomas; Dohm, A.; Mattiesch, L.

A diploid rose genotype previously found to be self incompatible in greenhouse pollination experiments was analyzed in order to investigate the capacity to self fertilize under field conditions. A subset of 36 plants from open pollinations were analyzed by means of AFLP markers. All plants were found to be the result of outcrossing events, thereby demonstrating the utility of these kinds of rose genotypes as effective pollen sinks for future gene flow analyses under field conditions. Furthermore, it was demonstrated that isolation distances of 250 m from large rose plantations are insufficient to prevent gene flow between populations.

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Debener, Thomas / Dohm, A. / Mattiesch, L.: Use of diploid self incompatible rose genotypes as a tool for gene flow analysis in roses. 2003.

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