First report of plum pox potyvirus in USA (Pennsylvania)
Plum pox potyvirus (PPV- EPPO A2 quarantine pest) has been detected for the first time in USA, in Pennsylvania. It was found on a fruit farm in Adams county. The strain of PPV present in Pennsylvania belongs to the D (Dideron) type. The area concerned will be placed under quarantine, movement of stone fruit trees or budwood material will be prohibited and infected trees will be destroyed. Surveys are being carried out to determine the extent of the infection.
USDA News releases on INTERNET, 1999-10-20.
ProMED posting of 1999-10-25. Plum pox virus - USA (Pennsylvania).