Soybean vein necrosis virus (SVNV) was first confirmed in Iowa last season. Last year we did not see SVNV until August. This past week we identified SVNV in several locations in Iowa. It is not known yet if earlier symptoms may increase chances of yield loss. We will continue to monitor and provide updates.
Iowa State University
Mueller, Daren S., "Soybean Vein Necrosis Virus Identified in Iowa" (2013). Integrated Crop Management News. 47.
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