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SCN resistance for long-term SCN Management

Monica Pennewitt, Iowa State University graduate student, discusses her research on soybean cyst nematode.The soybean cyst nematode (SCN) or Heterodera glycines is the most damaging pathogen to soybean production in North America. Current annual yield losses are estimated at more than $1.2 billion.Though SCN-resistant soybean varieties are available to minimize yield loss, producers are faced with limited options for rotation once virulent SCN populations develop in their fields.