Potato Virus A
Potato Virus A (PVA) is a plant pathogenic virus of the family Potyviridae which causes a mild mosaic on potato plants.
Symptoms of PotatoVirus A
PVA can cause a severe mosaic when combined with Potato Virus X (PVA, sometimes with distorted or crinkled leaves.
Common Causes and Conditions of Potato Virus A
PVA, like many potato viruses is transmitted by aphids.
Vulnerable / Immune Varieties
Some potato varieties such as Desiree are fairly vunerable to PVA, but many others are immune.
Controlling and Preventing Potato Virus A
PVA can only be controlled by virus testing and classification.