As stated in an earlier article in the ICM Newsletter (May 15, 2006), bean leaf beetles are back with a vengeance this year. Based on observations from agronomists across the state, this year seems to have the highest level of bean leaf beetles since 2002. This also has resulted in an apparent high incidence of bean pod mottle virus disease in Iowa fields. Infected plants can be characterized by the leaves, which show a yellow to green blotchy appearance called leaf mottle. Sometimes leaves have a raised or blistered appearance.
Iowa State University
Hill, John H.; Pedersen, Palle; and Bradshaw, Jeffrey D., "Bean pod mottle virus: Back with a vengeance" (2006). Integrated Crop Management News. 1322.
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