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North Dakota SCN Soil Sampling Program (08/30/18)

The NDSU Extension Service and the North Dakota Soybean Council are working together again to coordinate a soybean cyst nematode (SCN) soil testing program.

North Dakota SCN Soil Sampling Program

The NDSU Extension Service and the North Dakota Soybean Council are working together again to coordinate a soybean cyst nematode (SCN) soil testing program. A total of 2,000 SCN soil test bags will be available to growers on a first come first serve basis.

Anyone interested in soil sampling for SCN can pick up to three pre-labeled SCN soil test bags from their County Extension office. To submit a sample; fill the bag with soil, provide site information and send the bag to the partner lab (Agvise). Results will be mailed directly to the growers who submitted the sample(s). The laboratory fees are covered by the North Dakota Soybean Council.

The ND SCN sampling program began in 2013 and has been instrumental in understanding where SCN is located in the state. To date, over 3,000 samples have been submitted by North Dakota growers, and about 1/3 of those have had some level of nematode eggs.

The egg levels and geospatial positions from previous years samples that were used to generate SCN distribution maps in North Dakota show ‘hot spots’ in much of the SE and movement west and north (Figures 1 and 2). In 2018, we will use egg level data and add to the map. Importantly, NDSU does not have access to any personal information – just the egg level and geospatial data to generate a map.

We encourage everyone to sample fields for SCN. We thank the North Dakota Soybean Council for funding the effort.

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Sam Markell

Extension Plant Pathologist, Broad-leaf Crops


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