Papaya
ringspot virus
Papaya ringspot virus is common in tropical and
subtropical areas. It occasionally causes epidemics
in some temperate regions.
Symptoms:
severe plant stunting. Foliage exhibits green
mosaic, malformation, puckering, blisters,
distortion, and narrow laminae. Apical leaves are
frequently narrowed and are reduced to the main
veins. Fruits are malformed, such as knobby
overgrowth accompanied by color break. It is often
found in association with WMV, ZYMV and CMV.
Control:
application of insecticides for the control of aphid
vectors of PRSV can limit the spread of the virus. |