As seed orders are being finalized, it’s a good time to reassess whether insecticide seed treatments are truly needed. A comprehensive 4-year study led by Dr. Jocelyn Smith at the University of Guelph – Ridgetown Campus evaluated 129 corn and 31 soybean field trials across Ontario. The study compared fungicide-only seed treatments (FST) with neonicotinoid + fungicide (NST) and diamide + fungicide (DST) treatments.| Field Crop News