Ed Zaworski, of the Plant and Insect Diagnostic Clinic at Iowa State University, discusses sampling for soybean cyst nematode (SCN). He gives tips and pointers on when and how to sample as well as how to properly ship your sample to the clinic for analysis.
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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.