Plant Protect. Sci., 2015, 51(3):141-149 | DOI: 10.17221/52/2014-PPS

Distribution and population structure of the chestnut blight fungus in RomaniaOriginal Paper

Katarína ADAMČÍKOVÁ1, Emília ONDRUŠKOVÁ1, Miriam KÁDASI-HORÁKOVÁ1, Mihai BOTU2,3, Marek KOBZA1, Gheorghe ACHIM2,3
1 Branch for Woody Plants Biology, Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Nitra, Slovak Republic
2 Department of Horticulture and Food Science, Faculty of Agriculture and Horticulture, University of Craiova, Craiova, Romania
3 SCDP Valcea, University of Craiova, Valcea, Romania

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.

Keywords: Cryphonectria parasitica; European chestnut; oak; hypovirus; vc types; mating types

Published: September 30, 2015  Show citation

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ADAMČÍKOVÁ K, ONDRUŠKOVÁ E, KÁDASI-HORÁKOVÁ M, BOTU M, KOBZA M, ACHIM G. Distribution and population structure of the chestnut blight fungus in Romania. Plant Protect. Sci. 2015;51(3):141-149. doi: 10.17221/52/2014-PPS.
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