Crop Diseases Confirmed by the Plant and Pest Diagnostic Clinic

Crop Diseases Confirmed by the Plant and Pest Diagnostic Clinic June 29, 2018

The following diseases were reported in samples submitted to the UNL Plant and Pest Diagnostic Lab from May 15 – June 7.

Map of Nebraska crop reporting districts
Figure 1. Reporting districts (View larger)

Soybean

East District – Rhizoctonia damping off, Pythium damping off, Phytophthora root and stem rot

Southeast District – Phytophthora root and stem rot

Southwest District – Rhizoctonia damping off, Phytophthora root and stem rot

Corn

East District – Rhizoctonia root rot, Pythium damping off, Holcus Spot

Southeast District – Gray leaf spot, Bacterial leaf streak

Southwest District – Fusarium root rot, Bacterial leaf streak

Wheat

East District – Black chaff/bacterial stripe, Septoria leaf spot, Tan Spot, Stagnospora Blotch, Powedery Mildew, Stripe rust, Leaf rust, Sooty Head Molds, Loose smut, Common bunt, Fusarium head blight

Southwest District – Black chaff/Bacterial stripe

Resources

Find more information and photos about each of these diseases in the Crop Disease Management section of CropWatch for Wheat, Soybean, and Corn.

Visit the Plant and Pest Diagnostic Clinic page in CropWatch for

  • information on how to submit crop and pest samples,
  • a sample submission form, and
  • a fee schedule for diagnostic services.