ISHS Acta Horticulturae 547: III International Symposium on Rose Research and Cultivation
MARKER ASSISTED SELECTION FOR BLACKSPOT RESISTANCE IN ROSES |
| Authors: | T. Debener, B. von Malek, L. Mattiesch, H. Kaufmann |
| Keywords: | blackspot, Rdr1, resistance gene, genetic segregation, Diplocarpon. |
| Abstract:
A large collection of rose genotypes was screened for resistance to blackspot caused by Diplocarpon rosae. To date 28 genotypes which display a high level of resistance could be identified. In parallel the interaction between blackspot and roses was investigated genetically. After characterising six physiological races a single dominant resistance gene against one of the races was characterised and several closely linked markers were identified. | |
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