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You are here: Home / Animals / Species Profiles / Soybean Cyst Nematode
Species Profiles

Soybean Cyst Nematode

Soybean cyst nematode - USDA, ARS, Beltsville Electron Microscopy UnitScientific name: Heterodera glycines (ITIS; name is valid but unverified)

Common name: Soybean cyst nematode, SCN

Click image to enlarge

Selected Resources

Native To: First identified in Japan in 1915, but it may have been historically present in China. It is also hypothesized that it may be indigenous to the United States (Davis and Tylka 2000)

Date of U.S. Introduction: First discovered in North Carolina in 1954 (Davis and Tylka 2000)

Means of Introduction: Unknown, may have arrived in imported plant material or soil, or may possibly be indigenous to the U.S. (Davis and Tylka 2000)

Impact: Causes stunted growth and reduced yields of soybean crops (Davis and Tylka 2000)

Current U.S. Distribution:

  • Pest Tracker - Survey Status of Soybean Cyst Nematode
    USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.
  • Soybean Cyst Nematode - Distribution
    North Central Soybean Research Program. Soybean Research and Information Initiative.
    Scroll and select Distribution to view known distribution of the soybean cyst nematode, Heterodera glycines, in counties in the United States and Canada in selected years from 1957 to 2014.



Selected Resources:

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Invasive Species Compendium - Heterodera glycines
CAB International.

Plantwise Technical Factsheet - Soybean Cyst Nematode (Heterodera glycines)
CABI. Plantwise Knowledge Bank.

EPPO Global Database - Heterodera glycines
European and Mediterranean Plant Protection Organization.


Soybean Cyst Nematode
University of Delaware. Cooperative Extension.

Soybean Cyst Nematode
Iowa State University.

Soybean Cyst Nematode (Nov 2001; PDF | 207 KB)
Kansas State University Research and Extension.
See also: Soybean Publications for more publications

Soybean Cyst Nematode: Diagnosis and Management
University of Missouri Extension.

Soybean Cyst Nematode: Identification and Management
University of Nebraska - Lincoln. Cooperative Extension.

Soybean Disease Information: Soybean Cyst Nematode
North Carolina State University. Extension.

Soybean Cyst Nematode
Ohio State University Extension.

Plant Disease Management in South Dakota: Soybean Cyst Nematode (Feb 2007; PDF | 1.35 MB)
South Dakota State University Extension.
See also: Extension Fact Sheets for more pests.


Plant Disease Lessons - Soybean Cyst Nematode Disease
American Phytopathological Society.

Soybean Cyst Nematode
North Central Soybean Research Program. Soybean Research and Information Initiative.

Soybean Cyst Nematode Management Guide - Fifth Edition (PDF | 1.62 MB)
North Central Soybean Research Program.
See also: New Checkoff-funded Soybean Publications for more resources


Davis, E.L. and G.L. Tylka. 2000. Soybean cyst nematode disease. Plant Health Instructor.

Integrated Taxonomic Information System. Heterodera glycines. [Accessed Feb 28, 2015].

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Last Modified: Sep 29, 2018
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