Nematologist Greg Tylka researches the soybean cyst nem

(Photo: Iowa Soybean Association / Joclyn Kuboushek)

The man that battles the $1.5 billion pest problem

October 10, 2025

Meet the man who's been battling the $1.5 billion soybean pest problem. That pest is soybean cyst nematode (SCN). With vital support from the soybean checkoff, Dr. Greg Tylka at Iowa State University has helped develop SCN-resistant varieties.

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