Occurrence and virulence of wheat yellow rust in Hungary during 1999-2001

K. Manninger
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K. Manninger: Plant Protection Institute, Hungarian Academy of Sciences, 1525 Budapest, Hungary

Plant Protection Science, 2002, vol. 38, issue SI2-6thConfEFPP, 408-410

Abstract: The occurrence and virulence of wheat yellow rust in Hungary was studied in the period of 1999-2001. Yellow rust in Hungary occurred only in traces in 1999, strongly spread and reached epidemic level in Röjtökmuzsaj (West Hungary) in 2000, and the epidemic explosion was in the whole country in 2001. Surveys of yellow rust showed the importance of pathotypes, whose virulence spectra (virulent for Yr2, Yr3, Yr6, Yr7, Yr8, Yr9, Yr17, YrA+, YrCV, YrSD) were able to math the unknown resistance genes. Among 78 Hungarian and foreign cultivars 29 were strongly infected by yellow rust.

Keywords: wheat; cultivar; yellow rust; Puccinia striiformis; virulence; avirulence; susceptible; resistance gene (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:38:y:2002:i:si2-6thconfefpp:id:10508-pps

DOI: 10.17221/10508-PPS

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