Diversity of Cryphonectria Parasitica (Murr.) Barr Vegetative Compatibility (Vc) Types in Slovakia

Juhásová, G.; Kobza, M.; Adamčíková, Katarína

doi:10.17660/actahortic.2005.693.85

Cited by 11 publications

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“…EU-1 and EU-13 are the main frequent C. parasitica VCGs found in Europe (Table 2). In Slovakia, eight different VCGs of the fungus had been detected so far, EU-13 and EU-12 being the most common (Juhásová & Bernadovičová 2001;Juhásová et al 2004). In Hungary, 18 C. parasitica VCGs were identified, four of which, EU-1, EU-6, EU-12 and EU-13 were dominating, while EU-15 was found only in one locality (Radócz 2001).…”

Section: Resultsmentioning

confidence: 99%

Some new findings of Cryphonectria parasitica (Murrill) M. E. Barr in the Czech Republic

Jankovský¹,

Palovčíková²,

Haltofová³

2010

Plant Prot. Sci.

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This study provides new information on the distribution of the chestnut blight agent Cryphonectria parasitica and its vegetative compatibility groups (VCGs) in the Czech Republic. This study has revealed the presence of the disease in six localities. The VCG tests showed that each locality was represented by a single distinct VCG, which was different from the others collected in the country. The tests with 31 European testers of C. parasitica VCGs (EU-1 to EU-31) had assigned Czech isolates to VCGs EU-1, EU-4, EU-12, EU-13, EU-15, and EU-19. Moreover, the study showed that in the Czech Republic chestnut blight attacks young trees, not exceeding 35 years of age, and that climatic conditions in the country are suitable for C. parasitica. As two of the diseased localities were ornamental tree nurseries, one might expect its further spread over the country as a result of plant trade. The origin of infection remains unknown in all the localities where C. parasitica was detected.  

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Section: Resultsmentioning

confidence: 99%

Some new findings of Cryphonectria parasitica (Murrill) M. E. Barr in the Czech Republic

Jankovský¹,

Palovčíková²,

Haltofová³

2010

Plant Prot. Sci.

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“…In the Castanetarium Horné Lefantovce, these two vc types (EU 12, EU 13) were represented only by a few examples, 13% and 9.7% of the tested isolates, respectively. The isolates of the fungus obtained during the former investigation carried out in the Castanetarium were all compatible among themselves and were also compatible with the European vc type EU 12 (Juhásová et al 2005).…”

Section: Resultsmentioning

confidence: 66%

“…In Slovakia, the average number of vc types per locality is 2.3. Only one other Slovak locality (Arboretum Mlyňany) had the same vc type diversity in 2005 (Juhásová et al 2005).…”

Section: Resultsmentioning

confidence: 97%

“…The vc types EU 19 and EU 2 comprised 35.5% and 32.2% of isolates, respectively. After 13 years, vc type diversity in the Castanetarium Horné Lefantovce increased from former 1 (Juhásová et al 2005) to current 6 vc types. The ratio of numbers of vc types to sample size (S/N) was 0.19.…”

Section: Resultsmentioning

confidence: 98%

“…The most frequent types were EU 12 (46.60%) and EU 13 (33.93%). EU 12 was dominant in 11 localities, EU 13 in 5 localities (Juhásová et al 2005). In the Castanetarium Horné Lefantovce, these two vc types (EU 12, EU 13) were represented only by a few examples, 13% and 9.7% of the tested isolates, respectively.…”

Section: Resultsmentioning

confidence: 98%

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The development of population structure of Cryphonectria parasitica on European chestnut (Castanea sativa Mill.) in the Experimental Castanetarium Horné Lefantovce, observed over a 12-year study period

Adamčíková¹,

Kobza²,

Juhásová³

2009

Hort. Sci. (Prague)

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ABSTRACT:We studied occurrence of chestnut blight disease in the Experimental Castanetarium Horné Lefantovce, SW Slovakia. The study ran in years 2006-2007 on a set consisting of 889 chestnut trees growing in the clonal orchard on Biological Plot 105. From this number, 857 trees were found healthy without disease symptoms. The chestnut blight disease was identified on 32 of them. The infected trees were examined for presence of pycnidia and perithecia of the causal agent. In all positive cases, the observed morphological characters indicated virulency of the obtained isolates. No hypovirulent isolate was detected on the evaluated experimental plot. In total, six vegetative compatibility (vc) types were specified in the sample consisting of 31 isolates. Our vc types corresponded to the European vc types EU 2,

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Hypovirulence in chestnut blight fungus,Cryphonectria parasitica, in Slovakia

Adamčíková

Ondrušková

Kobza

2019

Biocontrol Science and Technology

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Diversity of Cryphonectria Parasitica (Murr.) Barr Vegetative Compatibility (Vc) Types in Slovakia

Cited by 11 publications

References 0 publications

Some new findings of Cryphonectria parasitica (Murrill) M. E. Barr in the Czech Republic

Some new findings of Cryphonectria parasitica (Murrill) M. E. Barr in the Czech Republic

The development of population structure of Cryphonectria parasitica on European chestnut (Castanea sativa Mill.) in the Experimental Castanetarium Horné Lefantovce, observed over a 12-year study period

Hypovirulence in chestnut blight fungus,Cryphonectria parasitica, in Slovakia

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