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Connie Tande

SDSU Extension Plant Diagnostician

605-688-5545

Plant Science Building 153
Agronomy, Horticulture & Plant Science-Box 2108
University Station
Brookings, SD 57007

Connie supports the citizens of South Dakota in her role as the SDSU Extension Plant Diagnostician at the South Dakota State University campus in Brookings.

State & Regional Offices

SDSU Campus

Also by Connie Tande

Wheat leaf showing the green and yellow mosaic streaking associated with WSMV.

Wheat Streak Mosaic Virus Showing Up in Fields

Wheat streak mosaic virus is a viral disease, which has been found in samples recently sent into the SDSU Plant Diagnostic Clinic. Learn how to identify it before it takes a toll on wheat crops.

A portion of a soybean field with soybean plants maturing with the soybean leaves turning yellow with the leaves and stems drying down.  The plants in the middle of the picture were also found with charcoal rot.

Charcoal and Fusarium Rots Observed in Early Senescing Soybean Plants

The drought conditions in South Dakota have led to early soybean senescence in some areas. However, some of the early senescing may be due to dry-season diseases, such as charcoal and Fusarium rots.

Tan-gray Goss’s bacterial blight lesions were observed in scouted corn fields.

Goss's Bacterial Wilt and Leaf Blight of Corn

Fact sheet for identifying Goss’s bacterial wilt and leaf blight of corn, also known
as bacterial leaf freckles and wilt.