All posts in Nematode management

  • SCN-resistant varieties are still vulnerable

    For more than 20 years, growers have relied on a single source of genetic resistance to protect soybeans from soybean cyst nematode (SCN). The PI88788 source of genetic resistance is found in more than 95 percent of SCN-resistant soybean varieties and has become less effective over time, leaving more varieties vulnerable to SCN damage. Surveys conducted by the University of Minnesota Extension found that the number of fields impacted by reduced effectiveness of genetic SCN…