Exotic Pest Reporting
Potato spindle tuber (PSTVd)
Pospiviroid Potato Spindle Tuber Viroid
Potato spindle tuber (PSTVd) (Pospiviroid Potato Spindle Tuber Viroid) is a viral pathogen.
Affected Potato tubers of some varieties are small, narrow and spindle-like. In other varieties tubers develop knobs and swellings. In some varieties eyes are numerous, shallow and more prominent, and tubers are often cracked.