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Bean pod mottle causes a green to yellow mottling of young leaves in the upper canopy of the infected plant. Severe strains of the virus may cause leaf distortion and puckering of leaves. Bean pod mottle symptoms are most apparent during periods of rapid growth and cool temperatures. Symptoms are usually not obvious during periods of high temperatures or after pod set. This virus is sap-transmissible and vectored by beetle species such as the bean leaf beetle. When bean pod mottle and soybean mosaic occur in combination in the same plant, symptoms are more severe and yield losses higher than those caused by either virus alone. |
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