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Population structure of Cryphonectria parasitica in the Modry Kamen region

100%

Juhasova G., Adamcikova K., Kobza M., Ondruskova E.

Journal of Plant Protection Research

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2012

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tom 52

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nr 1

The European chestnut was evaluated for Chestnut blight disease in the Modrý Kameň region, in 2010. A total of 1321 trees and sprouts were selected. There were 140 healthy trees, without any symptoms of Cryphonectria parasitica infection. Nearly 90% of the evaluated trees and sprouts were diseased. The health condition index (IHC) on 11 experimental plots varied from 2.31 to 4.03. Every collected sample was identified as having C. parasitica. All isolates had the orange culture morphology; all isolates were virulent. Among the isolates, 8 vc types were detected. Vc type EU-2 was dominant, it comprised 37.14% of the tested isolates. Two other vc types: EU 1 and EU 12 were frequently detected.

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Diversity of microfungi on branches of Castanea sativa in Slovakia

100%

Adamcíkova K., Juhasova G., Kobza M., Ondruskova E.

Polish Botanical Journal

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2013

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tom 58

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nr 2

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Cause of withering of staghorn sumach [Rhus typhina L.] in selected localities in Slovakia

100%

Juhasova G., Adamcikova K., Kobza M., Cerevkova A.

Acta Societatis Botanicorum Poloniae

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2005

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tom 74

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nr 1

Health state of Rhus typhina was evaluated in 59 localities and 74 sites over the years 2001-2003 with scope (1) to identify the parasitic mycoflora of R. typhina in Slovakia and (2) to identify the occurrence of Cryphonectria parasitica, declared as an quarantine pest by the EPPO, besides the chestnut (Castanea sativa Mill.) and oak (Quercus sp.) also on R. typhina. The fungus Botryosphaeria ribis (Gross.) Dugg. (pycnidial state Dothiorella mali (Ell.) Ev) caused damage to the R. typhina. Damage to R. typhina caused by B. ribis was only recorded in 15 localities. Mean growth rate of hyphae of the fungus ranged from 25.7 to 48.3 mm after 96 hours of cultivation. The most appropriate medium for cultivation was 3% potato dextrose agar. The occurrence of the fungus Fusarium oxysporum Schlecht and mainly of quarantine fungus C. parasitica has not been recorded in the evaluated sites.

Ograniczanie wyników

1 Acta Societatis Botanicorum Poloniae

1 Journal of Plant Protection Research

1 Polish Botanical Journal

3 Juhasova G.

3 Kobza M.

2 Adamcikova K.

2 Ondruskova E.

1 Adamcíkova K.

1 Cerevkova A.

1 2013

1 2012

1 2005

Population structure of Cryphonectria parasitica in the Modry Kamen region

Diversity of microfungi on branches of Castanea sativa in Slovakia

Cause of withering of staghorn sumach [Rhus typhina L.] in selected localities in Slovakia