Papaya ringspot
virusPapaya 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. |