Soybean cyst nematode (SCN) has overcome the PI 88788 resistance, which farmers have relied on for over three decades. Although the Peking lines were previously associated with a reduction in yield within soybean lines, researchers from Iowa State University have demonstrated that you can now find commercially available varieties with Peking resistance that outperform PI 88788 in regions with high SCN pressure. Dr. Mandy Bish from the University of Missouri Extension discusses the limited availability of Peking options in preferred maturity groups for farmers but emphasizes the importance of a corn rotation and use of resistant varieties to help decrease SCN populations. 

 For further insights on SCN, explore the ILSoyAdvisor’s Online Library and type “SCN” into the search bar.  

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About the Author: Kelsey Litchfield

Kelsey Litchfield is the Agronomic Outreach Specialist for the Illinois Soybean Association. In her role, she manages ILSoyAdvisor media platforms and assists the agronomy team with events and field days. A native of Rio, IL, Kelsey earned her bachelor’s degree from University of Illinois Urbana-Champaign in 2017 where she double majored in Agricultural Communications and Broadcast Journalism.

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