Вирус кольцевой пятнистости папайи (PRSV)

Papaya ringspot is a viral disease in the genus Potyvirus. PRSV is transmitted by aphids. The virus is acquired and transmitted in a non-persistent manner by its vector in short periods of time that are measured in seconds to a minute.

The leaves develop a mosaic pattern and chlorosis that become malformed and can exhibit irregular, dark green blisters. Water-soaked, oily streaks appear on the petioles and upper part of the trunk. The symptoms include distorted and knobby fruits that can show color breaks. The fruit from infected trees will often develop ring spots, which is the reason behind the name of this disease. Severe symptoms often include a distortion of young leaves. Trees that have been infected at a young stage remain stunted and cease to produce economical yields.