SEL’SKOKHOZYAISTVENNAYA BIOLOGIYA [AGRICULTURAL BIOLOGY], 2014, ¹ 5, pp. 16-27 UDC 632:578(571.6) ISSN 313-4836 (Online) doi: 10.15389/agrobiology.2014.5.16rus doi: 10.15389/agrobiology.2014.5.16eng DIVERSITY OF PLANT VIRUSES IN THE EAST-ASIAN RUSSIA: 50 YEARS OF STUDYING R.V. GNUTOVA Institute of Biology and Soil Science, the Far East Branch of Russian Academy of Sciences, 159, Pr. 100-letiya Vladivostoka, Vladivostok, 690022 Russia, e-mail girina.vl@mail.ru, ibss@eastnet.febras.ru Supported by Presidium of the Far East Branch of Russian Academy of Sciences (2004-2008, 2010) Received April 23, 2013 Abstract In ornamental plants, vegetables, fruits, berries, cereals and legumes the viral infections causes a decrease of productivity and yield quality, especially in the southern regions of agriculture in the Russian Far East where an infectious background is one of the highest. <...> Besides, the viral infection leads to more impact from other phytopathogens, particularly under bacterial and fungal infections, and provokes degradation of varieties. <...> Breeding varieties and hybrids resistant to viruses is now considered the most effective approach to antiviral plant protection. <...> Therefore, the characteristic features of viruses are the key factors for plant protection strategy. <...> For more than 50 years, in the Asian Russia more than 50 viruses have been found in agrocenoses of vegetables, cereals, legumes, ornamental plants, berries and potato plants, and also in biocenoses of wild plants and weeds. <...> Basin on biological traits, physicochemical properties of viral polypeptides and nucleic acids, as well as antigenic characteristics of capsid proteins, a taxonomic status of the Asian Russian viral isolates has been identified, and their areal, pathogenicity and the impact have been studied. <...> In Far East Russia, there have been revealed, described and identified the following viruses: Brome mosaic virus, Vicia unijuga mosaic virus, Alfalfa mosaic virus, Cucumber mosaic virus IA and IB East-Asian isolates, Soybean stunt virus, Tomato aspermy virus, Cauliflower mosaic virus Far-East Russian isolates, Dahlia mosaic virus, Radish mosaic virus type isolate, Red clover mottle virus, Arabis mosaic virus, Raspberry ringspot virus, Tobacco ringspot virus, Tomato ringspot virus, Potato <...>