Soybean rust has still not been detected beyond southern Georgia. Last week, soybean rust was found on kudzu plants in the fifth Florida county, Jefferson. With development this slow, our previous outlook has not changed; the occurrence of soybean rust in Iowa and surrounding states (excluding Missouri and southern Illinois) before the end of July is not great. The first detection date could be even later if no new development of this disease is reported before the end of June.
Iowa State University
Yang, X. B.; von Qualen, Ralph; and Del Ponte, Emerson M., "Update on soybean rust and sentinel plots" (2005). Integrated Crop Management News. 1384.
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