Physiologic specialization of wheat leaf rust (Puccinia triticina Eriks.) in the Slovak Republic in 2005, 2006 and 2008

In 2005, 2006 and 2008, the virulence of wheat leaf rust population was studied on Thatcher near-isogenic lines with Lr1, Lr2a, Lr2b, Lr2c, Lr3a, Lr9, Lr10, Lr13, Lr15, Lr17, Lr19, Lr21, Lr23, Lr24, Lr26 and Lr28. Samples of leaf rust (141 in total) were obtained from different parts of Slovakia. Re...

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Veröffentlicht in:Czech Journal of Genetics and Plant Breeding 2010-01, Vol.46 (3), p.114-121
Hauptverfasser: Hanzalova, A.,Vyzkumny Ustav Rostlinne Vyroby, Prague (Czech Republic), Huszar, J.,Univerzita J. Selyeho, Komarno (Slovak Republic). Katedra Biologie, Herzova, E.,Ustredny Kontrolny a Skusobny Ustav Polnohospodarsky, Zeliezovce (Slovak Republic), Bartos, P.,Vyzkumny Ustav Rostlinne Vyroby, Prague (Czech Republic)
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Sprache:eng
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Zusammenfassung:In 2005, 2006 and 2008, the virulence of wheat leaf rust population was studied on Thatcher near-isogenic lines with Lr1, Lr2a, Lr2b, Lr2c, Lr3a, Lr9, Lr10, Lr13, Lr15, Lr17, Lr19, Lr21, Lr23, Lr24, Lr26 and Lr28. Samples of leaf rust (141 in total) were obtained from different parts of Slovakia. Resistance gene Lr9 was effective to all tested isolates except three isolates from 2008. No virulence was found to Lr19. The genes Lr24 and Lr28 were also highly effective. Low incidence of virulence to Lr2a was observed. Sixty-five winter wheat cultivars registered in Slovakia were tested with seven leaf rust isolates in the greenhouse. The cultivar Bona Dea was the most resistant of all.
ISSN:1212-1975
1212-1975
1805-9325
DOI:10.17221/38/2010-CJGPB