Field Crops Plant Pathology

CORN DISEASE DIAGNOSTICS

NEW! Corn Foliar Diseases: Identification and Management Field Guide

This sturdy field guide contains diagnostic images and descriptions of the main foliar diseases of corn to aid in field identification. Sections on foliar fungicides and best management practices are also included.

The pocket-sized guide hooks with a key ring and is intended for field use.

Corn Foliar Diseases Field Guide is a regional publication from the North Central IPM program, with contributions from corn Extension pathologists in Wisconsin, Illinois, Iowa and Ohio.

Visual Quick Guide of Common Corn Diseases
UWEX A3879-02
A full-color reference guide to the symptoms, risk factors, and management options of the most common foliar fungal diseases of corn.

Includes common rust (Puccinia sorghi), Eyespot (Kabatiella zeae), Northern Corn Leaf Spot (Bipolaris zeicola), Northern Corn Leaf Blight (Exserohilum turcicum), Gray Leaf Spot (Cercospora zeae-maydis), and Anthracnose (Colletotrichum graminicola).

Read or print this publication directly by clicking  here (pdf).  Print copies are available from your Wisconsin county Extension office or from the UW Extension Learning Store (1-877-947-7827).

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A standard area diagram is a useful scouting tool.

Standard Area Diagrams (pdf)

• Common Rust
• Eyespot
• Gray Leaf Spot
• Northern Corn Leaf Blight
• Northern Corn Leaf Spot
  

Pest Management in Wisconsin Field Crops  2012
UWEX A3646
Read or print this publication directly (click on title for the pdf)  or order a print copy from  the UW Extension Learning Store.

Wisconsin Corn Hybrid Performance Trials
UWEX A3653
Every year, UW-EX and UW-CALS,  in cooperation with the Wisconsin Crop Improvement Association, conduct an unbiased performance comparison of hybrid seed corn available in Wisconsin.  Read or download annual results from the Wisconsin Corn Agronomy website.