Potato virus Y isolated from tomato plants showing necrotic symptoms and the symptoms by its inoculation

Abstract

In Kanagawa Prefecture, the virus disease of tomato showing systemic necrotic symptoms was rather widely distributed in 1987-1988. Potatovirus Y-T (PVY-T) was isolated from those tomato plants. In some of those plants, PVY-O was also isolated. Inoculation of PVY-T alone to tomato plants induced systemic necrosis.