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
Romanization of Armenian are commonly used, they are not obeying to any approved international or Armenian standard, so they are not recommended for the romanization of Armenian. Note that the input methods recognize the Latin digraphs "zh, dz, gh, tw, sh, vo, ch, rr" for Classic or Eastern Armenian, and "zh, dz, tz, gh, vo, ch, rr" for Western Armenian, but offer no way to disambiguate words where the digraphs should not be recognized. Some Armenian letters are entered as Latin digraphs, and may also be followed by the input of an ASCII single quote (which acts as the only letter modifier recognized)