GOSHEN, Ind. — Soybean cyst nematode (SCN) is the most damaging soybean pest in our area. Not only do SCN cut yields dramatically, it has also been implicated to links with sudden death syndrome.
A standard SCN analysis is the best way to determine the general SCN population level in a given field. However, it does not identify the type of SCN population present.
Type information is becoming increasingly important as SCN populations. Experts are telling producers to monitor SCN population shifts so that they can select varieties containing the correct source of SCN resistance for the SCN populations in their fields.
Nematology diagnostic services are no longer available through Purdue. Most of our local samples have been funneled to Michigan State University, which offers an SCN Type Test which measures the ability of the SCN population in your soil to develop on a susceptible variety and the three commercially available sources of SCN resistance: PI88788, PI548402 (Peking) and PI437654 (CystX or Hartwig). Additional information on SCN Type Testing is available online at: http://www.pestid.msu.edu/
— Purdue Extension Elkhart County
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