Vol. 50 No. 2 (2011)
Research Papers

Distribution of races of Pyrenophora tritici-repentis in Algeria and identication of a new virulence type

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  • Hamida BENSLIMANE,
  • Lakhdar LAMARI,
  • Abdelkade BENBELKACEM,
  • Rachid SAYOUD,
  • Zouaoui BOUZNAD
DOI: https://doi.org/10.14601/Phytopathol_Mediterr-8746

Published 2011-07-11

Keywords

  • Tan spot,
  • wheat,
  • virulence,
  • isolate

How to Cite

[1]
H. BENSLIMANE, L. LAMARI, A. BENBELKACEM, R. SAYOUD, and Z. BOUZNAD, “Distribution of races of Pyrenophora tritici-repentis in Algeria and identication of a new virulence type”, Phytopathol. Mediterr., vol. 50, no. 2, pp. 203–211, Jul. 2011.

Copyright (c) 2011 Hamida BENSLIMANE, Lakhdar LAMARI, Abdelkade BENBELKACEM, Rachid SAYOUD, Zouaoui BOUZNAD

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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Abstract

Tan spot, caused by Pyrenophora tritici-repentis, is a foliar disease  of wheat, responsible for high economic losses in several wheat  growing areas in the world. There are eight known races of P. tritici-repentis based on ability to induce necrosis and/or chlorosis on a set of differential cultivars. Fifty five isolates of P. tritici-repentis  originating from diverse wheat growing regions in Algeria were  studied to determine which races are present and to identify new  races. Races 1, 4, 5, 6, 7 and 8 were found and a new virulence pattern was identified. Isolates with this pattern induced necrosis in durum  wheat but failed to induce any disease in the common wheat  genotypes in the differential set.

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