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Extension > Agriculture > Crops > Soybean > Soybean cyst nematode management guide > Where is the soybean cyst nematode found?

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Where is the soybean cyst nematode found?

The soybean cyst nematode (SCN), Heterodera glycines, has been found in most soybean-producing areas in the world. The SCN was first found in North America in North Carolina in 1954 and since then has spread to at least 31 soybean-producing states (Fig. 1) and Canada. In Minnesota, SCN was first detected in 1978 in Faribault County. By 2010, its presence had been confirmed in 64 counties in the state (Fig. 2).

Fig. 1. Distribution of soybean cyst nematode in USA in 2008 (Riggs and Tylka).

Fig. 1. Distribution of soybean cyst nematode in USA in 2008 (Riggs and Tylka).

Fig. 2. Minnesota counties infested with soybean cyst nematode by 2010.

Fig. 2. Minnesota counties infested with soybean cyst nematode by 2010.

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