Spreading distinction of grapevine viruses during time course 2015-2017

Sixty-two percent (62%) of grape vine samples were collected from the most important Kosovo’s region Rahovec, twenty-five percent (25%) from Suhareka and thirteen percent (13%) from Prizren.To assess the spread of GFLV, ArMV, GLRaV-1,2,3, GVA and GVB viruses, the plants were sampled according to a random scheme during December. Sampled plants were extracted in the laboratory and analyzed by ELISA test using mono- and poly-clone antibodies. Considering the research which was conducted in 2015, 2016 and 2017 in order to diagnose GFLV, ArMV, GLRaV-1, GLRaV-2, GLRaV-3, GVA and GVB viruses in the most widespread grape cultivars in Kosovo, which are of mixed origin, i.e. the cultivars Smederevka, Vranac, Prokupa and Afuzali - domestic varieties or Balkan varieties and foreign or imported varieties such as: Game, Italian Rizling and Muscat Hamburg, different results have been obtained during three years of study. In most viruses, the infection rate has been on the rise, if we compare the results of 2015, 2016 and 2017. The only virus GFLV, has resulted in a reduction in infection from 2015 to 2017