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Connie Strunk

SDSU Extension Plant Pathology Field Specialist

605-782-3290

SDSU Extension Sioux Falls Regional Center
2001 E 8th Street
Sioux Falls, SD 57103

Connie supports the citizens of South Dakota in her role as the SDSU Extension Plant Pathology Field Specialist based in Sioux Falls.

Also by Connie Strunk

A corn field with several plants showing symptoms of stalk rot.

Assess for Corn Stalk Rots

Several corn fields are beginning to show stalk rot and top dieback symptoms. Stalk rots cause the entire plant to die prematurely, which can lead to plants lodging under windy conditions making harvesting problematic.

An aerial view of a soybean field with noticable rows of yellowing plants due to SCN infection.

Early Yellowing in a Soybean Field May Indicate Presence of the Soybean Cyst Nematode

Some portions of soybean fields may show clusters of plants yellowing while the rest of the field is still green. One of the factors that could lead to soybean plants showing early yellowing in clusters is soybean cyst nematode (SCN).

Soybean plant with with yellow-chlorotic blotches between leaf veins and noticable browning due to sudden death syndrome.

Sudden Death Syndrome Starting to Develop in Soybeans

Sudden death syndrome of soybean is starting to develop in soybean fields in South Dakota. Fields currently being found with sudden death syndrome have symptomatic plants scattered within the field, but continued disease development may lead to larger clusters of infected plants.