If producers need to treat for soybean aphids this year, Iowa State University (ISU) has recommendations on when and how insecticides should be used to manage this pest. Do not use insecticides when small populations of soybean aphids are first found in the field. Natural enemies may help suppress small aphid populations. Producers should determine if the aphid population is increasing or decreasing.
Iowa State University
Rice, Marlin E. and O'Neal, Matthew E., "Management options for soybean aphids" (2005). Integrated Crop Management News. 1462.
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