Non-transmission of plum pox potyvirus through seeds
Further evidence on the non-transmission of plum pox potyvirus (EPPO A2 quarantine pest) through seeds has been reported from Italy. Experiments carried out at the University of Pisa showed that the virus could be detected in seeds of apricots; transmission from seed to seedling, however, could not be achieved. The authors assume that a possible virus-breakdown process is taking place in the seeds since the virus could not be detected 15 d after the start of the pre-chilling treatment. Furthermore, the dropping of immature infected fruits may lead to the exclusion of seed transmission of plum pox potyvirus.
Sources
Triolo, E.; Ginanni, M.; Materazzi, A. (1993) Further evidence on the non-transmission through seed of plum pox virus in apricot.
Presentation at the "Premier Colloque Italo-Français De Phytopathologie sur: Maladies nouvelles ou d'introduction récente en France, en Italie et dans le bassin méditerranéen", Alghero, IT, 1993-04-14/18.