AN OVERVIEW REGARDING THE INCIDENCE OF SOME NECROTIC VIRUSES IN SEVERAL ROMANIAN AREAS

PMTV (Potato Mop-Top Virus ) and PAMV Aucuba Mosaic Virus) are new damaging pathogens of potato crop in Romania. They can cause serious reduced yield decrease the tuber’s quality. In case these viruses, infected plants do not allways show signs disease symptoms depend on cultivar, virus strain environment. infection material produce spraing tubers sensitive varieties. causes heavy losses northen Europe it is very difficult to control. a helping for development dangerous potyvirus like Potato Y (PVY). Elimination all from supply chain essential production choosing resistant varieties with viruses could be one measures recommended farmers producers. The results this preliminary study shows that were found collected following varieties: Armonia, Azaria, Christian Millenium (samples counties Braşov, Covasna, Harghita, Suceava 2019, 2020 2021).