Genetic analysis of rose resistance genes and their localisation in the rose genome

verfasst von

A. Hattendorf, M. Linde, L. Mattiesch, T. Debener, H. Kaufmann

Abstract

Among various fungal diseases of cultivated roses, powdery mildew and black spot are the economically most important ones in greenhouse and field production. Resistance breeding is an increasingly important alternative to chemical plant protection. We therefore used different approaches to characterise naturally occurring resistance to these diseases. Through extensive genetic analysis with monoconidial isolates of both pathogens in segregating populations three dominant resistance genes could be detected. Using molecular markers these loci could be mapped in the rose genome and in one case tagged on a BAC contig. We also describe the evaluation of additional loci, harbouring putative resistance genes, by mapping rose resistance gene analogues (RGAs) onto the rose chromosome map and in relation to known resistance genes.

Organisationseinheit(en)

Abteilung Molekulare Pflanzenzüchtung

Externe Organisation(en)

Julius Kühn-Institut (JKI) Bundesforschungsinstitut für Kulturpflanzen
Universität Hamburg

Typ

Aufsatz in Konferenzband

Seiten

123-130

Anzahl der Seiten

8

Publikationsdatum

24.06.2004

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Gartenbau

Elektronische Version(en)

https://doi.org/10.17660/ActaHortic.2004.651.14 (Zugang: Unbekannt)