SCN Management for 2025 and Beyond: an Iowa Perspective
The soybean cyst nematode (SCN) continues to be a major yield-reducing soybean pathogen in the US and Canada. Soybean varieties with Peking SCN resistance genetics have become more available in recent years to complement use of varieties with the very common PI 88788 SCN resistance genetics. New and existing seed treatments that target SCN may provide some yield protection in SCN-infested fields as well. The specific effects of these management options will be discussed in this presentation with emphasis on integrating and coordinating their use for maximum long-term effectiveness.
Speaker
Greg Tylka
Greg Tylka is a professor in the Department of Plant Pathology at Iowa State University. Tylka has research and extension responsibilities and also coordinates the ISU Corn and Soybean Initiative. Tylka earned B.S. and M.S. degrees in biology from California University of Pennsylvania and a Ph.D. in plant pathology from the University of Georgia. The activities in Tylka's research program focus mostly on the biology and management of the soybean cyst nematode (SCN). Current research includes field evaluation of SCN-resistant soybean varieties and SCN management products, studies of the interactions of SCN with brown stem rot of soybean and the soybean aphid, determining the distribution of SCN HG types in Iowa, and determining the impact of SCN and other pests on soybean grain composition.