Potato X Virus


Potato X Virus



In a Nutshell

    Light-green mosaic pattern on leavesMottled areas with small, brown dotsCoinfection with other viruses can worsen the symptoms

Hosts: %1$s

· Potato


The severity of the symptoms depends on plant variety, the developmental stage, the virus strain and the environmental conditions. Symptoms can range from inconspicuous interveinal chlorosis to severe light-green mosaic pattern with wrinkled leaves, necrotic leaf tips, stunting and death of plants. In some cases, the mottled areas have small, brown spots. Coinfection with other viruses can worsen the symptoms


The virus mostly infects solanaceous crops such as eggplant, potato, tobacco and pepper, as well as various weeds. Transmission occurs via direct contact with an infected plant, or via grasshoppers, contaminated tools or wrong cultural practices. Symptoms seem to develop more distinctly at 16-22°C. At higher ambient temperatures symptoms are often masked.

Biological Control

Sorry, we don't know of any alternative treatment against PVX . Please get in touch with us in case you know of something that might help to fight this disease. Looking forward to hearing from you.

Chemical Control

Always consider an integrated approach with preventive measures together with biological treatments if available. Chemical treatment of viral diseases is not possible.

Preventive Measures

    Use certified virus-free seedsPlant potato varieties with resistance to PVXDo not plant tomatoes and potatoes next to each otherInspect crops and remove any plants suspicious of being infectedAvoid plant injuries caused by mechanical treatmentLeave sufficient space between plantsIf working with one susceptible crops after another, change clothes and wash thoroughly with soap and waterDisinfect equipment and tools


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