2013 UNL Field Days on Identifying & Managing SCN - UNL CropWatch, July 18, 2013

2013 UNL Field Days on Identifying & Managing SCN - UNL CropWatch, July 18, 2013

July 18, 2013

Learn How to Identify and Manage SCN at August Field Days

Farmers and ag professionals can learn how to identify and manage soybean cyst nematode (SCN) at four UNL Extension SCN Management Field Days this August. Last year, soybean cyst nematodes cost Nebraska soybean growers over $45 million, more than all soybean diseases combined. If you have SCN in your fields and are not managing it, you shared in that loss.

UNL SCN 2012 field day

Figure 1. Attendees at the 2012 UNL heard from experts about potential losses from SCN. 

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SCN often goes undetected in the field. Yield losses of 20-30% have been documented in Nebraska fields with no aboveground symptoms. If SCN caused holes, lesions, spots, or other plant abnormalities, it would be much easier to convince producers to test for and manage it. However, infested plants usually look healthy. Often, the first indication of a problem is when soybean yields level off or even start to drop while corn or other crop yields in the same field continue to improve.

What would a six bushel yield increase on your soybean acres do for your bottom line? That’s the average yield increase at 25 University of Nebraska–Lincoln research trials where resistant varieties were compared to top yielding susceptible varieties on SCN-infested sites. In addition to direct yield losses, SCN has been linked to an increase in the occurrence and severity of sudden death syndrome (SDS) in soybeans.

At each SCN Management Field Day site, you will be able to:

  • see SCN resistant and susceptible soybean varieties in infested fields;
  • examine cysts on soybean roots;
  • learn how to identify and manage SCN infestations;
  • receive bags for free SCN analyses—a $25/bag value;
  • get answers to your SCN questions; and
  • enjoy a complimentary meal and visit informally with experts.

Field Day Schedule

Wednesday, August 21, 6:30 p.m.—Waverly, Wayne Trout Farm
From the east side of Waverly: Go 0.3 mile south on 148th Street, then 0.6 mile east on Bluff Road. The event is on the north side. UNL contact: Gary Bergman, 402-441-7180, gbergman1@unl.edu

Thursday, August 22, 6:30 p.m.—Madison, Matt King Farm
From Madison: Go 12 miles west on Highway 32, (or 4 miles east of Highway 45), then 1 mile south on 541st Ave, and 0.25 mile east on 827th Road. The event is on the north side. UNL contact: Wayne Ohnesorg, 402-370-4044, wohnesorg2@unl.edu

Tuesday, August 27, 6:30 p.m.—Peru, Lou Beccard Farm
From Peru: Go north out of Peru on 5th Street, take curve west on 5th Street/Plum Street (turns into Bluff Road) and travel 1.4 miles west. The event is on the north side. UNL contact: Gary Lesoing, 402-274-4755, gary.lesoing@unl.edu

Wednesday, August 28, 6:30 p.m.—Herman, Tim Gregerson Farm
From Herman: Go 2.5 miles north on Highway 75 (or 4 miles south of Tekamah), then 1.5 miles west on County Road "C", and 0.1 mile north on County Road 34. The event is on the east side. UNL contact: John Wilson, 402-374-2929, jwilson3@unl.edu

Map of SCN distribution in Nebraska

Figure 2. Confirmed distribution of soybean cyst nematode in Nebraska.

SCN Distribution

Originally identified in counties bordering the Missouri River, soybean cyst nematode has been identified in 54 counties in eastern and central Nebraska and as far west as McCook.


For more information on these field days, contact the Extension educator in the host county or field day coordinators John Wilson, extension educator, 402-374-2929, jwilson3@unl.edu or Loren Giesler, extension plant pathologist, 402-472-2559, loren.giesler@unl.edu

The Soybean Cyst Nematode Management Field Days are presented by UNL Extension with support from the Nebraska Soybean Board. For more information, contact your local UNL Extension office.

John Wilson
Extension Educator, Burt County


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A field of corn.