| further characterization of 'sweet potato virus 2': a distinct species of the genus potyvirus. | an incompletely described potyvirus isolate from sweet potato in taiwan, referred to as 'sweet potato virus 2' (spv2), was further characterised. electron microscopy revealed that spv2 has filamentous particles of 850 nm in length and induces cytoplasmic cylindrical inclusions consisting of pinwheels and scrolls. the virus was mechanically transmitted to several species of the genera chenopodium, datura, nicotiana, and ipomoea. two biotypes of myzus persicae transmitted spv2 in a non-persistent ... | 2004 | 14745592 |