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Distribution and population structure of the chestnut blight fungus in Romania

Author

Listed:
  • Katarína ADAMČÍKOVÁ

    (Branch for Woody Plants Biology, Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Nitra, Slovak Republic)

  • Emília ONDRUŠKOVÁ

    (Branch for Woody Plants Biology, Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Nitra, Slovak Republic)

  • Miriam KÁDASI-HORÁKOVÁ

    (Branch for Woody Plants Biology, Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Nitra, Slovak Republic)

  • Mihai BOTU

    (Department of Horticulture and Food Science, Faculty of Agriculture and Horticulture, University of Craiova, Craiova, Romania
    SCDP Valcea, University of Craiova, Valcea, Romania)

  • Marek KOBZA

    (Branch for Woody Plants Biology, Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Nitra, Slovak Republic)

  • Gheorghe ACHIM

    (Department of Horticulture and Food Science, Faculty of Agriculture and Horticulture, University of Craiova, Craiova, Romania
    SCDP Valcea, University of Craiova, Valcea, Romania)

Abstract

The occurrence of chestnut blight (Cryphonectria parasitica) was studied in 2011-2012 at 13 locations in the main chestnut growing areas of Romania. Infections were detected at four localities. The symptoms and the fungus were detected on European chestnut (four localities) and also on oak trees (two localities). A total of 89 isolates of C. parasitica were isolated and characterised. Based on canker and isolate morphology (culture morphology and the Bavendamm test), both virulent and hypovirulent samples were isolated; hypovirulent isolates were found at only one locality. Two vegetative compatibility types corresponding to EU-12 and EU-2 were identified among isolates. Both mating types were found, with a dominance of MAT-1 in southern Romania and MAT-2 in northern Romania.

Suggested Citation

  • Katarína ADAMČÍKOVÁ & Emília ONDRUŠKOVÁ & Miriam KÁDASI-HORÁKOVÁ & Mihai BOTU & Marek KOBZA & Gheorghe ACHIM, 2015. "Distribution and population structure of the chestnut blight fungus in Romania," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 51(3), pages 141-149.
    • Handle: RePEc:caa:jnlpps:v:51:y:2015:i:3:id:52-2014-pps
    DOI: 10.17221/52/2014-PPS
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    References listed on IDEAS

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    1. Katarína Adamčíková & Gabriela Juhásová & Marek Kobza, 2006. "Genetic diversity of Cryphonectria parasitica population in the Štiavnicko-krupinská subpopulation in Slovakia," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 42(4), pages 119-124.
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