Crop Diseases Confirmed by PPDC July 10-26

Crop Diseases Confirmed by PPDC July 10-26

The following diseases were reported in samples submitted to the UNL Plant and Pest Diagnostic Lab July 10-26.

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


East District – Phytophthora root and stem rot

Southeast District – Rhizoctonia root and crown rot

South District – Phytophthora root and stem rot

North District – Soybean cyst nematode

Northeast District – Soybean cyst nematode, Brown spot


Southwest District – Goss’s wilt

East District – Common rust, southern rust, Holcus spot, Northern corn leaf blight, Bacterial leaf streak, Goss’s Wilt

Southeast District – Southern rust, common rust, Northern corn leaf blight

Central District – Bacterial leaf streak, Holcus spot, gray leaf spot, common rust

South District – Southern rust

Northeast District – Common rust


East District – Downy mildew


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,
  • sample submission form, and
  • a fee schedule for diagnostic services.

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