Corn and Soybean Diseases Reported by UNL PPDC

Corn and Soybean Diseases Reported by UNL PPDC

On a recent Market Journal segment Kevin Korus discussed plant diseases identified in samples submitted to the UNL Pest and Plant Disease Clinic.
Figure 1. Reporting districts (View larger)

The following diseases were reported in samples submitted to the UNL Plant and Pest Diagnostic Lab July 1 to Sept. 8.

Corn

East Central District – Anthracnose stalk rot, aspergillus ear rot, bacterial leaf steak, common rust, common smut, fusarium stalk rot, gray leaf spot, fusarium ear rot, Goss’s bacterial wilt and blight, Holcus spot, northern corn leaf blight, northern corn leaf spot, physoderma brown spot, and southern rust

South Central District – Anthracnose stalk rot, bacterial leaf steak, common rust, bacterial stalk rot, gray leaf spot, Goss’s bacterial wilt and blight, and southern rust

Southeast District – Anthracnose stalk rot, bacterial leaf steak, northern corn leaf blight, northern corn leaf spot, physoderma brown spot, fusarium ear rot, fusarium stalk rot, southern rust, gray leaf spot

Central District – Bacterial leaf steak, common rust, common smut, Holcus spot, northern corn leaf spot, Southern rust

Southwest District – Bacterial leaf steak, fusarium stalk rot, Holcus spot, southern rust

Northeast District – Bacterial leaf steak, common rust, fusarium stalk rot, gray leaf spot, and southern rust

North Central District – Bacterial leaf steak

Northwest District – Bacterial stalk rot, Goss’s bacterial wilt and blight

 

Soybean

Northeast District – Charcoal rot, sudden death syndrome

East Central District – Charcoal rot, bacterial leaf blight, brown stem rot, Phytophthora crown and stem rot, stem canker, sudden death syndrome

South Central District – Charcoal rot, bacterial leaf blight, brown stem rot

North Central District – Bacterial leaf blight, brown stem rot, sudden death syndrome

Southeast District – Stem canker, sudden death syndrome

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A field of corn.