Pepino Mosaic Virus on
Tom Creswell and Gail Ruhl; Plant Disease Diagnosticians
Pepino mosaic virus on tomato was found for the first time outside
of South America in 1990 in greenhouse tomato crops in the Netherlands.
Since then, its incidence in greenhouse tomato crops has been reported
in several other European countries and in North America.
Pepino mosaic virus is a highly infectious
virus that is easily spread from tomato plant to tomato plant
by mechanical means such as on growers’ hands, tools, equipment
and by plants rubbing against each other. The severity of the
damage depends on the virus strain. Leaf symptoms include mosaic
and spotting. Fruit quality is reduced due to smaller fruit,
blotchy ripening and marbling.
The virus has been reported to be seed borne but
there is conflicting information about this. It may be seed borne
only on the seed coat. The virus is systemic throughout the plant.
Control requires strict sanitation. Commercially
available Immuno test strips are available for detection of this
virus in the greenhouse.
The following sites have good information on the problem and control