Off the Cob: Heat, Rust, and Hybrid Spread — 2025 Harvest Reality Check

In this Off the Cob episode of Cornelius Seed Podcast, Juan is joined by Craig Allaman, Lead Agronomist, who’s balancing harvest with fresh insights from genetic suppliers’ field days across Iowa. Together they break down a season that ran two weeks short on grain fill, saw southern rust emerge as the biggest yield thief, and left hybrid performance swinging wildly from one field to the next.They dig into:Why rapid grain fill and hot nights clipped top-end yield.How southern rust, tar spot, and northern corn leaf blight showed up in 2025.Which hybrids held their finish—and why diversity matters.The role of fungicide programs under early disease pressure.Surprise crown rot pressure, and what it means for seed treatments.Soybean yield outlooks depending on August rains.The episode closes with three takeaways and a look ahead to Cornelius Seed’s December post-harvest meetings.