Hot, dry summer cuts into Ontario potato yields

Hot, dry summer cuts into Ontario potato yields

While heat stress and storage issues remain a concern, recent rainfall and cooler nights could improve harvest quality

Ontario’s record-breaking summer heat and drought could cut potato yields by between 20 and 50 per cent in some fields but cooler nights and rainfall may help salvage harvest quality.









Nikolas Marsiglio, UKKO Agro account manager, shows off the ForeSite app at the London Farm Show March 5, 2025. The app provides targeted field-level weather, growth stage and disease pressure data, including tar spot, triggering advanced notice for proactive fungicide application.

ForeSite targets early tar spot prevention

ForeSite is an adaptive, integrated modelling system for managing corn and tar spot that’s specific to Ontario

ForeSite is an Ontario-specific adaptive and integrated modelling system for managing corn and tar spot. It provides disease and aggregated insights, in-field weather, growth stage modelling and engagement reports, allowing agronomists and producers to hone field management, reducing costs and labour.