Results from the first year of this study suggest that significant improvements in Sclerotinia disease management may be possible by timing fungicide applications relative to canopy closure and, where feasible, utilizing partially resistant varieties. Ongoing research is focused on rigorously evaluating the optimal timing of fungicide applications relative to canopy closure and on optimizing the integrated use of partially resistant varieties, row spacing, and fungicides for management of this disease. This project is expected to improve the profitability of soybean production in North Dakota – particularly irrigated soybean production – by producing research-based recommendations that significantly improve Sclerotinia disease management.