Northeast Research and Demonstration Farm
Within the last two years, the EPA approved pesticide labels of two foliar fungicide products for use on alfalfa. However, university research regarding potential economic benefits of these products is extremely limited. In addition, aggressive salesmanship recommending multiple applications per season raise concerns about following proper stewardship for these products to insure effectiveness long term.
Iowa State University
Lang, Brian J. and Pecinovsky, Kenneth T., "Foliar Fungicides for Alfalfa Production" (2013). Iowa State Research Farm Progress Reports. 1942.