The soybean cyst nematode (SCN) continues to be a serious threat to soybean production in Iowa. SCN reproduces quickly and prolifically and can survive in the soil for many years. SCN not only causes direct damage, but it also makes some other soybean diseases, like brown stem rot and soybean sudden death syndrome, worse. SCN-resistant soybean varieties are an important SCN management tool. There are hundreds of resistant varieties available for Iowa growers. The Iowa State University SCN-resistant Soybean Variety Trial Program evaluates many of these varieties for agronomic performance and for nematode control at numerous locations throughout Iowa each year. The results of the 2006 evaluations were released recently.
Iowa State University
Tylka, Gregory L., "SCN-resistant soybean varieties: Not all are created equal" (2007). Integrated Crop Management News. 1133.
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