Verticillium wilt epiphytes of the hazelnut plant in western Georgia Lamziri Beradze – Acadenik doctor of biologicae, Ioseb Basilia – Doctor of Agriculture sciences, Ese Jakeli - Doctor of Agriculture sciences, Rusudan Takidze – Academik doctor of Agriculture, Nika Guntadze – Magistrant Key word: Fungi, Micelii, Sclerotii, Verticillium, Pathogen, Lecitin. Among Nut Diseases, Verticillium wilt is one of the most dangerous and damaging diseases. It was first noticed by us in Georgia in 2002-2003. Every year we observe its detection. Until 2021, it was marked by the wilting of unit stem and branches. This year in 2021, the disease has spread massively in hazelnut plantations of Ozurgeti, Chokhatauri, Vani and Zugdidi municipalities. According to our research, the disease is caused by the following species of the genus Verticillium: Verticillium dahliae Kleb., Verticillium foxii V.Beuma and Verticillium Lateritium Berk.