Comprehensive diversity analysis of viroids infecting grapevine in China and Japan

► We analyzed the diversity of viroids infecting grapevine in China and Japan. ► Viroids from old grapevines in China and Japan were also analyzed. ► Species of viroids infecting grapevine in China are more diverse than Japan. ► Current distribution of viroids infecting grapevine were displayed in a world map. ► Results in this study may reflect different history of viticulture between China and Japan.