Situation of damage caused by Cryphonectria parasitica to forest stands and orchards of Castanea sativa by 2001 in Slovakia

G. Juhásová, K. Adamčíková, H. Ivanová and M. Kobza
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G. Juhásová: Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Branch of Woody Plants Biology, Nitra, Slovak Republic
K. Adamčíková: Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Branch of Woody Plants Biology, Nitra, Slovak Republic
H. Ivanová: Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Branch of Woody Plants Biology, Nitra, Slovak Republic
M. Kobza: Institute of Forest Ecology, Slovak Academy of Sciences Zvolen, Branch of Woody Plants Biology, Nitra, Slovak Republic

Horticultural Science, 2004, vol. 31, issue 3, 102-108

Abstract: In the present paper the knowledge of evaluation of the health condition of Castanea sativa (Mill.) in forest stands was summarised. It was found out that the fungus Cryphonectria parasitica (Murr.) Barr damaged the coppices until 60 years. Degree of damage (Ihc) in the evaluated localities ranged from 1.11 to 3.50. Between 1992 and 2001 the biological protection in orchards by the method of hypovirulent converted strains from France was used. This method had not been used in forest stands until then. The efficiency of canker treatment ranged from 38.9% to 64.9%. On the basis of genetic variability of C. parasitica isolates they were classified into 4 vegetative-compatible (v-c) groups.

Keywords: Castanea sativa; Cryphonectria parasitica; hypovirulence; biological control; Slovak Republic (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:31:y:2004:i:3:id:3801-hortsci

DOI: 10.17221/3801-HORTSCI

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