Badnaviruses of Sweet Potato: Symptomless Coinhabitants on a Global Scale.

Sweet potato is among the most important root crops worldwide, particularly in developing countries, and its production is affected severely by a variety of virus diseases. During the last decade, a number of new viruses have been discovered in sweet potatoes through next-generation sequencing studies. Among them are viruses belonging to the genus and collectively assigned to the species (SPPV).