During this growing season soybean Asian aphid and charcoal rot were prevalent in Iowa and caused severe damage in many soybean fields. Charcoal rot is reportedly a seedborne disease. Asian aphids transmit a seedborne disease, soybean mosaic virus (SMV). Since these two diseases are considered seedborne, seed quality related to these two diseases has been a concern, especially for SMV.
Iowa State University
Yang, X. B., "Concerns related to soybean seed quality" (2003). Integrated Crop Management News. 1618.
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