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Red crown rot was reported in at least 14 US states in 2026, including first confirmed detections in Iowa and Alabama. Estimated yield losses rose from 121,000 bushels in 2024 to 7.7 million bushels in 2025.
Growing yield losses from red crown rot are a small but rising drag on soybean output over time, with limited near-term price impact given the scale.
agweb.comNov 12, 2026After 12 past bullish disease events, Soybeans moved a median -0.5% over 5 sessions (42% higher; middle half -1.6% to +0.1%), and +0.5% over 20.
After 98 past neutral disease events, Soybean Meal moved a median -0.2% over 5 sessions (44% higher; middle half -1.9% to +1.5%), and -0.4% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
