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2016: White mold, Sudden Death Syndrome

Jane Fyksen 715-683-2779
Dec 15, 2016
Dec 15, 2016 Updated Oct 20, 2025

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Sclerotia of the white-mold fungus is seen inside a soybean stem. White mold was the No. 1 disease problem in 2016 in Wisconsin, especially in more northerly growing areas.

University of Wisconsin-Madison

When applying fungicide for white mold in soybeans, the optimal application timing is during the R1-R3 growth stages. Closer to R3 was more effective in 2016.

United Soybean Board

Sudden Death Syndrome is a relative newcomer as a disease in Wisconsin soybean fields, but in 2016 it plagued growers in southern Wisconsin.

There's a known association of increased severity of Sudden Death Syndrome, such as on these soybeans, and the presence of soybean cyst nematodes in a field.

University of Nebraska

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Jane Fyksen 715-683-2779

MARSHFIELD, Wis. – Top soybean diseases in 2016 in Wisconsin were, in order, white mold, Sudden Death Syndrome, stem canker, brown stem rot, and Phytophthora root and stem rot, says Damon Smith, University of Wisconsin-Madison field-crops plant pathologist.

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