Disease Diagnostic Guide

Gibberella stalk rot

Corn

Glume blotch

Wheat

Goss’s bacterial wilt

Corn
,

Head scab

Wheat

Head smut

Corn
,

Head smut

Sorghum

Leaf rust

Wheat

Loose Smut

Wheat

Northern corn leaf blight

Sorghum

Phytophthora Root Rot

Soybean