Sanitary status of three Croatian native grapevine varieties (Vitis vinifera L.) from Dalmatia region included in clonal selection
2022
Željko Andabaka | Marija Divić | Tomislav Jerković | Domagoj Stupić | Zvjezdana Marković | Darko Preiner | Edi Maletić | Jasminka Karoglan Kontić | Darko Vončina | Ivana Tomaz | Iva Šikuten
The research of sanitary status and virus presence was conducted on three native Croatian grapevine varieties (Kujudžuša bijela, Zlatarica vrgorska and Trnjak crni) that are grown in Dalmatia region. The investigation was done on 492 vines from 31 vineyards. Vines were tested by ELISA (Enzyme-Linked Immunosorbent Assay) on four main economic viruses: arabis mosaic virus (ArMV), grapevine fanleaf virus (GFLV), grapevine leafroll-associated virus 1 and 3 (GLRaV–1, GLRaV-3) as a first step in clonal selection of these rare native grapevine varieties. Altogether, 40 vines were free of all tested viruses. The research confirms high rate of virus infection and eroded sanitary status of all investigated varieties. The above indicates necessity of implementation clonal and sanitary selection programme.
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