Trial results show dual benefits of SCN resistance
The results of these experiments illustrate the benefits of growing SCN-resistant soybeans in fields infested with the nematode. But it is important to remember that yields of SCN-resistant soybeans are reduced by SCN, although to a lesser extent than yields of susceptible soybean varieties. The most profitable soybean production in fields infested with the nematode will come through integrated management of SCN using nonhost crops, like corn, in rotation with soybean varieties with varying types of nematode resistance and in conjunction with nematode-protectant seed treatments as they become available.
More information about managing SCN
For more information about the biology and management of SCN, visit www.soybeancyst.info and www.planthealth.info/scn_basics.htm. Iowa State University’s management recommendations for SCN are available online in a downloadable format, Soybean Cyst Nematode (SCN) Management Recommendations, IPM 63. An annually updated list of SCN-resistant soybean varieties for 2014 is available in PDF format online at the Iowa State University Extension and Outreach Online Store.
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