Papaya Ringspot Virus (PRsV)

Papaya (Carica papaya L.) is one of the most widely consumed agricultural commodities by the people of Indonesia. Papaya is a tropical fruit. The origin of this fruit comes from Central America, then spread to various other hemispheres. Papaya productivity is greatly influenced by natural factors, including pest and plant disease disorders. In 2018 many expanse of papaya gardens that failed to harvest due to disease attacks with symptoms such as prominent mosaics on the leaves, chlorosis on the leaf lamina, and lines like oily on the petiole. The fruit of the plant shows rounded patches like 'ring spots' and on severe attacks the thickened and hardened brown spots and fruit are not tasty to eat. Symptoms of this disease may be infected with the papaya ring spot virus (PRsV) which also has the synonym papaya distortion mosaic virus, papaya ringpot distortion virus, papaya leaf distortion virus.

Symptoms of PRSV attack on leaves (A, B, C), on stems (D, E) and fruit (F, G)

The transmission efficiency of PRSV can be through 2 species of aphids namely Aphis gossypii and Myzus persicae (Sulzer). To prevent the spread of the virus, it is necessary to eradicate diseased plants and control vector insects that help spread it.

Sources: Affandi and Tri Budianti
Editor: Web Team