Potato spindle tuber viroid

Photo by Plant Protection Service Archive, Plant Protection Service, Bugwood.org

Primary hosts are tomato, potato and avocado PSTVd symptoms can be confused with other virus and viroid infections Mild strains show no or minor symptoms Severe strains induce leaves to curl downwards and become spindly with a rough surface and darker colour Tubers become small, spindly and elongated, and may have growth cracks Spread can occur through seed, tubers or mechanical transmission

High priority pest of: Potatoes, Vegetables

Scientific name: Potato spindle tuber viroid (Pospiviroidae) (exotic strains)
EPPRD Category: 3
Life Form: Virus

Pest Documents

• Potato spindle tuber viroid FS
• Potato spindle tuber viroid DP

FS: fact sheet

CP: contingency plan

DP: diagnostic protocol