Plum pox show no symptoms on leaves or fruit. Not all infection in "Prunus" are characterized by a ring symptom on leaves. Several cultivars show yellowing line patterns and blotches, or necrotic ring symptoms on expanded leaves. Leaf distortion has also been observed. Infected fruit can develop yellow rings or blotches, or brown rings, and some plum and apricot fruit can be severely deformed and bumpy. The seed of many infected apricots and some plums show rings. Many non-"Prunus" species, in at least nine plant families, have been infected artificially with one or more strains of the plum pox virus, and in
Plum cake English name, baked in an oven using dried fruit and often yoghurt. The Polish version of plum cake, which also uses fresh fruit, is known as "Placek z Sliwkami." In India plum cake has been served around the time of the Christmas holiday season, and may have additional ingredients such as rum or brandy added. Plum cake in the United States originated with the English settlers and was prepared in the English style in sizes ranging from small, such as for parties in celebration of Twelfth Night and Christmas, to large, such as for weddings. This original fruitcake version of