RUDN Journal of Agronomy and Animal IndustriesRUDN Journal of Agronomy and Animal Industries2312-797X2312-7988Peoples’ Friendship University of Russia named after Patrice Lumumba1380Influence of biologically active substancts on number aphid-vectors virusesLachayD SКафедра ботаники, физиологии, патологии растений и агробиотехнологии; Российский университет дружбы народов; Russian People's Friendship University-KeldishM AКафедра ботаники, физиологии, патологии растений и агробиотехнологии; Российский университет дружбы народов; Russian People's Friendship University-CherviakovaO NКафедра ботаники, физиологии, патологии растений и агробиотехнологии; Российский университет дружбы народов; Russian People's Friendship University-PomazkovU IКафедра ботаники, физиологии, патологии растений и агробиотехнологии; Российский университет дружбы народов; Russian People's Friendship University-Russian People's Friendship University150120081657005092016Copyright © 2008,2008It has been shown, that plant hormones (contents and composition) are factor in regulating active spread, inecease in degree of infection and widening of area Bean yellow mosaic virus and Bean common mosaic virus are formed as a result of adaptation of aphids vector to new tropic plants. The concentration of hormones affects the number of migrant stades vectors and their reproductive functions.