Although SCN is a serious soybean pest, it can be managed profitably. Crop rotation coupled with SCN-resistant varieties are the cornerstones for the management of SCN. Non-host crops, such as corn, sorghum, sunflower, and alfalfa can reduce SCN population densities each year they are grown.
This 62-page field guide is designed as a resource for agronomists and farmers to manage soybean cyst nematode. 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.