The outbreak risk of rust diseases in the northern production regions has been associated with the level of overwintering in Gulf Coast regions. This relationship also may be applicable to soybean rust. This year's soybean rust was found overwintering in Georgia and four Gulf Coast states: Florida, Alabama, Louisiana, and Texas. In Florida, the level of disease from over-wintering areas has been reduced because of the dry spring conditions. In Texas, the field where infected soybean was found was plowed and planted with corn.
Iowa State University
Yang, Xiao-Bing, "Soybean rust update -- May 2007" (2007). Integrated Crop Management News. 1078.
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