Virulence structure of the Blumeria graminis f. sp. tritici population occurring in Poland across 2012–2013

Aleksandra Pietrusińska

a.pietrusinska@ihar.edu.pl
Pracownia Genetyki Stosowanej, Instytut Hodowli i Aklimatyzacji Roślin — Państwowy Instytut Badawczy w Radzikowie (Poland)

Jerzy H. Czembor


Pracownia Genetyki Stosowanej, Instytut Hodowli i Aklimatyzacji Roślin — Państwowy Instytut Badawczy w Radzikowie (Poland)

Abstract

Collection of 50 isolates of Blumeria graminis f. sp. tritici obtained from infected wheat leaves represented the population of this pathogen occurring in Poland in 2012–2013. Isolates were characterized by different level of virulence to the resistance genes present in the differential set of varieties and lines. All isolates were avirulent to the resistance genes Pm21, Pm36 and Pm37. Only one isolate was virulent to the gene Pm29 and 2 isolates to the combination of genes Pm1+2+4b+9. More than 90% of the isolates were virulent to the genes Pm2 and Pm5 and gene combinations Pm2+4b+8+6 and Pm2 Pm4b+5. All isolates were virulent to the susceptible variety Nimbus, genes Pm6 and Pm8 and gene combinations Pm5+8, Pm4b+8. In total, 16 isolates were virulent to 16 genes or their combinations or to 17 resistance genes or a combination. None of them was avirulent only to one resistance gene, and none of them to less than 8 genes and to more than 20 genes, or their combinations. Moreover, none of the all isolates were avirulent to more than 20 resistance genes or their combination.

Supporting Agencies

Research work co-financed from the PB program in PR of the Ministry of Agriculture and Rural Development, topic 9

Keywords:

Blumeria graminis f. sp. tritici, resistance genes, winter wheat, virulence structure

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Published
2014-12-31

Cited by

Pietrusińska, A. and Czembor, J. H. (2014) “Virulence structure of the Blumeria graminis f. sp. tritici population occurring in Poland across 2012–2013”, Bulletin of Plant Breeding and Acclimatization Institute, (274), pp. 15–25. doi: 10.37317/biul-2014-0002.

Authors

Aleksandra Pietrusińska 
a.pietrusinska@ihar.edu.pl
Pracownia Genetyki Stosowanej, Instytut Hodowli i Aklimatyzacji Roślin — Państwowy Instytut Badawczy w Radzikowie Poland

Authors

Jerzy H. Czembor 

Pracownia Genetyki Stosowanej, Instytut Hodowli i Aklimatyzacji Roślin — Państwowy Instytut Badawczy w Radzikowie Poland

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