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Soybean Cyst Nematode
(SCN) is an important soybean pest that often goes unnoticed. The only
consistent and reliable sign of an SCN infestation in the field is the presence
of adult SCN females and cysts (dead females) on the roots of infected soybean
plants. SCN females and cysts appear as small, white- to yellow-colored objects,
each approximately the size of the head of a pin. Seeing large numbers of SCN
females on roots early in the season is an indication of early development and
reproduction of the nematode.
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