Soybean cyst nematode (SCN) has emerged as one of the most serious pests of soybeans. Over 80% of the cultivable area in southeast Missouri is infested with this organism . Several varieties resistant to SCN race 3 have been developed and released .
Anand, S. C.
"Research Notes: Development of cyst nematode on different soybean varieties,"
Soybean Genetics Newsletter: Vol. 8
, Article 26.
Available at: http://lib.dr.iastate.edu/soybeangenetics/vol8/iss1/26