Original research articles

Sanitary status of slovenian indigenous grapevine cultivar Refosk

Abstract

Sanitary status of visually selected and nonselected indigenous grapevine cultivar 'Refosk' (Vitis vinifera L. cv. 'Refosk') was evaluated. Nine viruses were tested by ELISA: Nepoviruses Grapevine fanleaf virus (GFLV) and Arabis mosaic virus (ArMV), Closteroviruses Grapevine leafroll associated viruses 1 (GLRaV-1), 2 (GLRaV-2), 3 (GLRaV-3), and 6 (GLRaV-6), Grapevine fleck virus (GFkV) and Vitiviruses Grapevine virus A (GVA) and Grapevine virus B (GVB). All viruses except ArMV and GVB were detected. The vines of cv. ‘Refosk’ passing the visual selection were 50 % free of tested viruses in comparison to only 24 % virus-free vines of non-visually selected material. Visually selected plants revealed the highest incidence of virus GLRaV- 1 (37 %) and in addition to that a 15 % incidence of rugose wood (RW) disease symptoms.

Authors


Irma Tomazic

Affiliation : Ph. D. Nova Gorica Polytechnic, Vipavska 13, p.p. 301, SI-5000, Nova Gorica

irma.tomazic@p-ng.si

Zora Korosec-Koruza

Affiliation : Assist. Prof., Ph. D. University of Ljubljana, Biotechnical Faculty, Department of Agronomy, Jamnikarjeva 101, p.p. 2995, SI-1111, Ljubljana


Natasa Petrovic

Affiliation : Ph. D. National Institute of Biology, Vecna pot 111, SI-1000 Ljubljana

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