Sean and Andrew are back at Purdue University with resident tar spot expert Darcy Telenko.

The crew discusses:

✅ The changes we’ve seen in tar spot since our last conversation with Darcy

✅ Optimal temperature and moisture conditions for tar spot disease

✅ The latency period between tar spot infection and visible signs of disease

✅ How tar spot disease correlates with southern rust

✅ A preview of management strategies being tested for tar spot disease

Meet the Guest:

🌱 Dr. Darcy Telenko is an associate professor of botany and plant pathology at Purdue University. Her research program focuses on promoting sustainable and economically sound disease management practices in Indiana field crops. Her interdisciplinary plant pathology research and extension program is involved in studying the biology and management of soilborne and foliar pathogens of agronomic crops. Follow Darcy on X.

A Penney for Your Thoughts is hosted by Sean Blomgren, agronomist and owner of Blomgren Seed from Boone, Iowa, and Andrew Penney, plant doctor and Preceon agronomy lead for Bayer Crop Science from Ames, Iowa. We cover all things agronomy and high-yield management, share what we're seeing in the field and bring in trusted voices from the industry to deliver timely, relevant insights that matter to your farm. By combining real-time updates from the field with expert insights from industry professionals, we help you achieve your highest yields yet. It's ag talk that just makes cents.

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10 Years of Tar Spot Disease with Purdue University’s Darcy Telenko