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
Mei (surname) Mei (surname) Méi () is a romanized spelling of a Chinese surname, transcribed in the Mandarin dialect. In Hong Kong and other Cantonese-speaking regions, the name may be transliterated as Mui or Moy. In Vietnam, this surname is spelled Mai. In romanized Korean, it is spelled Mae. The name literally translates in English to the plum fruit. The progenitor of the Méi clan, Méi Bo, originated from near a mountain in ancient China that was lined at its base with plum trees. It is also an uncommon European surname of unrelated etymology. The Méi clan came from the Zi family.