How to Manage Pests
UC Pest Management Guidelines
Potato
Cucumber Mosaic
Pathogen: Cucumber
mosaic virus (CMV)
(Reviewed 8/07,
updated 8/07)
In this Guideline:
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Cucumber mosaic appears
as a chlorosis and blistering mottle of leaves. Margins of leaves are wavy. Intense
yellow flecks may develop over the leaf surface. Plants are stunted.
Cucumber mosaic virus infects many
crops and weeds. The virus is transmitted by many species of aphids. The
disease is only an economical problem in potato when potatoes are planted next
to or in the immediate vicinity of another crop heavily infested with the virus
and aphids. Cucumber mosaic is an occasional problem in Kern County in potatoes
planted near blackeye bean fields that harbor the virus.
Do
not plant potatoes near crops heavily infested with aphids and infected with
cucumber mosaic virus.
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UC IPM Pest Management Guidelines: Potato
UC ANR Publication 3463
Diseases
R. M. Davis, Plant Pathology, UC Davis
J. Nuñez, UC Cooperative Extension, Kern Co.
B. J. Aegerter, UC Cooperative Extension, San Joaquin Co.
Acknowledgment for contributions to the disease section:
C. Smart, Plant Pathology, UC Davis
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