Open Access CAAS Agricultural Journals Plant Protection Science

Determination of the cluster of wheat rust resistance genes Yr17, Lr37, and Sr38 by a molecular marker

Monika Ambrozková, Francoise Dedryver, Veronika Dumalasová, Alena Hanzalová, Pavel Bartoš

https://doi.org/10.17221/4849-PPSCitation:Ambrozková M., Dedryver F., Dumalasová V., Hanzalová A., Bartoš P. (2002): Determination of the cluster of wheat rust resistance genes Yr17, Lr37, and Sr38 by a molecular marker. Plant Protect. Sci., 38: 41-45.
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A translocation from Aegilops ventricosa carrying genes Yr17, Lr37 and Sr38 was verified in cultivars Hussar, Eureka, Torfrida, Renan, Rendezvous, Rapier and Brigadier by the molecular marker SCARSC-Y15. Of the cultivars recently registered in the Czech Republic, only the western European cultivars Corsaire, Apache, Complet and Bill possessed the translocation carrying Yr17, Lr37 and Sr38. Cultivars Corsaire, Apache, Bill and Complet were highly or medium resistant to yellow rust and leaf rust in 1999–2001 field trials at Prague-Ruzyně, although virulence to Yr17 was found in the 2001 virulence survey also in the Czech Republic. Cultivars Corsaire, Apache and Bill displayed an above average resistance to stem rust, whereas Complet was susceptible.

Keywords:

rusts; wheat; resistance genes; Yr17; Lr37; Sr38; molecular marker

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Impact factor (Web of Science)

2021: 1.414
Q3 – Agronomy
Q3 – Plant Sciences
5-year Impact factor: 1.862

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Ing. Eva Karská
Executive Editor

e-mail: pps@cazv.cz

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Plant Protection Science
Czech Academy of Agricultural Sciences
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