Virulence of wheat leaf rust in Slovakia in 1997-1998

Pavel Bartoš, Jozef Huszár and Eva Herzová

Plant Protection Science, 1999, vol. 35, issue 3, 85-92

Abstract: In 1997-1998 virulence of the leaf rust population was studied on near isogenic Thatcher lines with the genes for resistance Lr1, Lr2a, Lr2b, Lr2c, Lr3, Lr9, Lrll, Lr15, Lr/7, Lr19, Lr21, Lr23, Lr24, Lr26 and Lr28, and on the standard differentials Mala­ koff, Carina, Brevit, Webster, Loros, Mediterranean, Hussar, Democrat and the supplemental cultivar Salzmtinder Bartweizen. All 55 analyzed rust samples were avirulent on Lr9, Lr19, Lr24 and Lr28.On the standard differentials, races 61SaBa, 77SaBa, 77/57SaBa, 2SaBa, 77, 12SaBa, 62SaBa, 6, 6SaBa and 14 were determined. Races 61SaBa and 77SaBa (77/57SaBa) prevailed in both years. Races 6 and 6SaBa were found for the first time. The effectiveness of leaf rust resistance genes in registered cultivars under field conditions in variety trials is discussed.

Keywords: Puccinia persisrens subsp. triticina; syn. Puccinia recondita f. sp. tritici; pathotypes; physiologic races; Lr genes; winter wheat; inscripted cultivars; Slovakia (search for similar items in EconPapers)
Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:35:y:1999:i:3:id:9704-pps

DOI: 10.17221/9704-PPS

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