Potato spindle tuber viroid detected on symptomless ornamentals in Liguria and Campania (IT)
In Italy, Potato spindle tuber viroid (Pospiviroid, PSTVd – EPPO A2 List) has occasionally been detected on asymptomatic ornamentals in Lazio, Liguria, and Puglia (EPPO RS 2008/008, 2009/137). In Liguria, it was also found once on tomatoes in a family garden located in the vicinity of infected ornamentals (RS 2009/137). In 2011, the NPPO of Italy reported the presence of PSTVd in asymptomatic samples of Solanum jasminoides collected from 1 lot of propagation material and 3 mother plants. These infected samples had all been collected from 1 production site in the municipality of Albenga (province of Savona), Liguria region. PSTVd has also been detected in 5 asymptomatic plants of Cestrum growing in a nursery, in the province of Napoli, Campania region. In both regions, all infected plant material was destroyed.
The situation of Potato spindle tuber viroid in Italy can be described as follows: Present, occasionally found on symptomless solanaceous ornamentals, reported once on tomatoes, under official control.
NPPO of Italy (2011-03, 2011-04).