Prior to 2005, foliar diseases were not of major concern to soybean production in Iowa and much of the north central region, except for soybean seed production. However, since the report of Asian soybean rust in South America in 2001 and then in the United States in 2004, interest in fungicide applications in soybean production has increased consistently, making use of fungicides on soybeans a hot topic.
Iowa State University
Yang, Xiao-Bing; Navi, Shrishail S.; Shriver, John M.; and Pecinovsky, Kenneth T., "Use of Fungicides to Control Soybean Foliar Diseases: a 6-year Summary" (2008). Integrated Crop Management News. 754.
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