Soybean cyst nematodes
Adult soybean cyst nematode females on soybean roots.
Electronic version published by the
Department of Entomology
,
Iowa State University
, Ames, Iowa.
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Last updated June 25, 1997 by
John VanDyk
.
http://www.ipm.iastate.edu/ipm/icm/1997/6-30-1997/scoutscn.html
