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
Victoria plum Victoria plum The Victoria plum is a type of English plum. It has a yellow flesh with a red or mottled skin. This plum is a cultivar of the egg plum group ("Prunus domestica" ssp. "intermedia"). The fruit shape is oval or ovate. The ground color is greenish yellow, mostly covered with a purple color. The stone does not come off completely from the flesh but the skin is easy to pull off. The flesh is quite rough, light yellow and in good development and full maturity is sweet and tasty. Maturation time is mid-to-late September (in some places). It