While 2008 will be known for its early season rains, this did not translate into soybean rust arriving in Iowa. Soybean rust was reported in Alabama, Florida, Louisiana, Mississippi, Texas and Mexico in January. However, dry weather during early spring in southern Texas and Gulf Coast states helped keep soybean rust from building up inoculum and spreading early in the season. Since January 2008, soybean rust has been reported in 396 counties in the U.S. and Mexico, which is more than any previous year (Table 1). However, many of these finds were late in the season, more so than in previous years.
Iowa State University
Mueller, Daren S., "Soybean Rust - 2008 in Review" (2008). Integrated Crop Management News. 757.
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