With the arrival of Asian soybean rust in this country, many commercial applicators are adding agricultural diseases (category 1C) to their certification so that they can apply fungicides. Most agricultural commercial applicators are certified in Ag Weeds (category 1A), and many are certified in Ag Insects (category 1B), but not very many are certified in Ag Diseases (category 1C).
Iowa State University
Fawcett, James A. and Schmitt, Virgil L., "Commercial pesticide applicator training sessions for spring 2005" (2004). Integrated Crop Management News. 1546.
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