Symptoms Click to enlarge image Chlorotic veins, decrease in size of the leaves, mosaic in the leaves and necrotic lesions in tubers. Damage Yield reduction and decrease in tuber quality.
Tubers are unusable for propagation.
The virus is transmitted by tubers and dispersed by wind, animals, mechanical devices, cutting blades, contact between plants or plant roots, etc. A combination of PVX, PVY and PVA can cause more severe symptoms. There are resistant and tolerant varieties.