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Soybean Cyst Nematode in South Dakota: History, Biology, and Management

Written with contributions by Emmanuel Byamukama, former SDSU Extension Plant Pathologist and Febina Mathew.

History and Importance of SCN

Soybean cyst nematode (SCN) was first detected in the USA in 1954 in North Carolina and has since been moving northwards up to Canada. SCN was first found in South Dakota in 1995 in Union County.