CLEMSON, S.C. — Foliar fungal diseases can cause significant yield losses in South Carolina soybeans. The degree of yield loss depends upon several factors, including variety selection, environmental conditions, and cropping history of the field, which is directly correlated to, the levels of inoculum present in a field.4 Optimal management of foliar diseases in soybeans depends on precise and timely scouting, including accurate identification of the present diseases and estimates of their current levels of severity. This publication is designed to assist soybean producers and consultants in successfully identifying and managing the most common foliar soybean diseases in South Carolina. For more help identifying foliar soybean diseases, consult your local Agronomic Extension Agent. The following six diseases are the most common foliar fungal diseases for soybeans grown in South Carolina.
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–Clemson University Land Grant Press