Soybean cyst nematode is the most economically significant pest of soybeans in Iowa and has been found in 98 of the 99 Iowa counties. Infested soybean plants often show no symptoms other than reduced yield. The 62-page field guide is designed as a resource for agronomists and farmers to manage soybean cyst nematode.
- Soybean Cyst Nematode
Plant Pathology and Microbiology
Iowa State University Extension and Outreach publications in the Iowa State University Digital Repository are made available for historical purposes only. The information contained in these publications may be out of date. For current publications and information from Iowa State University Extension and Outreach, please visit
Gregory L. Tylka. "Soybean Cyst Nematode Field Guide" (2012)
Available at: http://works.bepress.com/gregory-tylka/190/