Plum pox Plum pox Plum pox, also known as sharka, is the most devastating viral disease of stone fruit from the genus "Prunus". The disease is caused by the plum pox virus (PPV), and the different strains may infect a variety of stone fruit species including peaches, apricots, plums, nectarine, almonds, and sweet and tart cherries. Wild and ornamental species of "Prunus" may also become infected by some strains of the virus. The virus is transmitted by aphids and by the transfer of infected plant material to new locations. Plum pox poses no danger to consumers, but it can ruin the marketability
Plum jerkum Plum jerkum Plum jerkum is an alcoholic drink produced from plums. It has been variously described as made in the same way as cider and as a fruit wine, although the terminology implies slightly different methods. The drink is native to the north Cotswolds and particularly to the county of Worcestershire, where plum cultivation was once centred on Pershore and the Vale of Evesham; it was also found around Chipping Campden in Gloucestershire. Jerkum was known as a traditional product of Worcester along with potted lamperns and curd cheesecakes. A 19th century reference, again from Worcester, suggests that it was