Webcast addresses breakdown of soybean cyst nematode-resistant varieties
Soybean varieties that are resistant to the soybean cyst nematode allow farmers to produce the crop profitably in SCN-infested fields. Roughly 95 percent of SCN-resistant soybean varieties have SCN resistance from the soybean breeding line PI 88788. The continued use of soybean varieties with such a narrow genetic base of SCN resistance has resulted in selection of SCN populations with increased reproduction on resistant varieties in fields.
In the latest Focus on Soybean presentation, titled "Increased Reproduction of Soybean Cyst Nematode and Yield of SCN-Resistant Soybean Varieties," Gregory Tylka at Iowa State University discusses the role and nature of SCN-resistant soybean varieties and the effects of elevated SCN reproduction on the yield of SCN-resistant soybeans. This 24-minute presentation is open access through Nov. 30. Viewers can also opt to see a five-minute executive summary version of this presentation. This shorter executive summary version is permanently open access courtesy of the United Soybean Board. View this presentation at http://www.plantmanagementnetwork.org/edcenter/seminars/soybean/scn. View other presentations in the Focus on Soybean resource at http://www.plantmanagementnetwork.org/fos.
Focus on Soybean is a publication of the Plant Management Network (http://www.plantmanagementnetwork.org), a nonprofit online publisher whose mission is to enhance the health, management, and production of agricultural and horticultural crops. It achieves this mission through its applied, science-based resources, like Focus on Soybean. PMN is jointly managed by the American Society of Agronomy, American Phytopathological Society, and Crop Science Society of America. PMN is also a partner of the United Soybean Board, as well as more than 80 other organizations, which include universities, nonprofits, and agribusinesses.
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