Integrated Crop Management News

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Bean pod mottle virus (BPMV) continues to pose a threat to soybean production by reducing soybean yield and affecting soybean quality. In a recent 3-year survey study conducted during the 2005 through 2007 soybean growing seasons, BPMV was found to be one of the most prevalent soybean diseases in Iowa, with BPMV being detected in 10 (2005) to 40 percent (2006) of the approximately 1,200 soybean fields sampled and tested each growing season. By mapping BPMV incidence at the county scale, BPMV incidence (risk) was found to occur at varying intensities within and among Iowa counties. Generally, risk of BPMV tended to decrease in a gradient from south to north within county tiers (Figure 1).

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Iowa State University



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