In 1999, soybean producers from around the state reported problems with soybean green stem and mottled or discolored soybean seed. Many of these reports of poor soybean quality are suspected to be caused by the spread of a new soybean disease in Iowa, bean pod mottle virus. Bean pod mottle virus was identified in Iowa as early as 1968, but it hasn't been widespread or implicated in causing significant yield losses. Last year bean pod mottle virus was confirmed in soybeans in several central and western Iowa counties (Dallas, Ida, Marshall, Polk, Story, and Woodbury).
Iowa State University
Krell, Rayda K. and Rice, Marlin E., "Beetles transmit a new soybean virus" (2000). Integrated Crop Management News. 2009.
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