Potato Viruses S and M

Potato Virus S (PVS) and Potato Virus M (PVM) are plant pathogenic viruses, first reported in the Netherlands which appear to be increasing in incidence but fortunately, their symptoms are usually very slight.

Common Causes and Conditions of PVS and PVM

Potato Virus S and Potato Virus M, like many potato viruses are transmitted by aphids, but can also be mechanically transmitted.

Controlling Potato Virus S and Potato Virus M

PVS and PVM can be controlled by virus testing.