Iowa farmers produce soybeans profitably in fields infested with the soybean cyst nematode (SCN) by growing SCN-resistant soybean varieties that yield well and prevent large increases in SCN egg population densities. There are hundreds of SCN-resistant soybean varieties for Iowa. Almost all of the varieties contain SCN resistance genes from a single breeding line, called PI 88788.
Iowa State University
Tylka, Gregory L., "Possible Breakdown of SCN Resistance Topic of New Webcast" (2012). Integrated Crop Management News. 152.
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