Plum jerkum and in flavour "from a sticky sweetness to a sparkling tartness" depending on the type of plum used. The Worcestershire author and farmer Fred Archer mentions jerkum several times in his stories of rural life, as does John Moore in his books set around a fictionalised Bredon Hill. Some aficionados in American craft beverages have started to use "jerkum" as a broader term encompassing the alcoholic drink produced from any unadulterated fermented stone fruit (e.g., nectarine, peach, apricot, pluot). Plum jerkum Plum jerkum is an alcoholic drink produced from plums. It has been variously described as made in the same
Plum pox of stone fruit by causing acidity and deformities. The only way to manage the disease is to destroy all infected trees, which can cause significant economic losses. The disease symptoms were first seen in Bulgaria around 1916-1917, thus the name of "sharka" - from Bulgarian "шарка", meaning "pox". In 1933, the virus origin was described by Dimitar Atanasov. The disease developed in several European countries. The plum pox virus is a linear single stranded RNA virus. There are nine strains of plum pox virus: PPV-D, PPV-M, PPV-EA, PPV-C, PPV-Rec (Recombinant), PPV-W, PPV-T, PPV-CR, and PPV-An. PPV-M isolates are more aggressive