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

https://doi.org/10.17221/10508-PPSCitation:Manninger K. (2002): Occurrence and virulence of wheat yellow rust in Hungary during 1999–2001. Plant Protect. Sci., 38: 408-410.
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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.
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