Crop Diseases

Resources, tools, and information specific to crop disease identification and management.

Crop Disease ICM News Articles and Blog Posts

Jul 22, 2024 Is it a ‘B’ or a ‘G’? Distinguishing bacterial leaf streak (BLS) from gray leaf spot (GLS).
Jul 10, 2024 Itches and tasseling corn
Jun 30, 2024 Starting with Drone Technology on Your Farm
Jun 25, 2024 Flooded corn fields and what diseases might you expect to see
Jun 24, 2024 Disease Risk in White Mold and Sudden Death Syndrome of Soybean
Jun 19, 2024 Are Nematodes Causing Stunted, Yellow Corn?
Jun 11, 2024 Start Looking for SCN Females on Soybean Roots Four Weeks After Planting
View more ICM News and ICM Blog articles about diseases

Crop Disease Publications

Corn and Soybean Field Guide
A Farmer's Guide to Corn Diseases A Farmer's Guide to Corn Diseases
A Farmer's Guide to Soybean Diseases A Farmer's Guide to Soybean Diseases

View additional publications at the Extension Store and Crop Protection Network

Diseases Videos

How to check for varroa mite: ETHER ROLL
How to check for varroa mite: ALCOHOL WASH
How to check for varroa mite: SUGAR SHAKE
Crop Advantage Series January 2020 (with field agronomist Meaghan Anderson)
Crop Advantage Series January 2020 (with entomologist Erin Hodgson)
View more disease videos

Field Specialists

Meaghan Anderson
Meaghan Anderson
Field Agronomist in Central Iowa
(319) 331-0058
Terry Basol
Terry Basol
Field Agronomist in NC Iowa
(641) 426-6801
Angie Rieck-Hinz Headshot
Angie Rieck-Hinz
Field Agronomist in NC Iowa
(515) 231-2830
Aaron Saeugling
Aaron Saeugling
Field Agronomist in SW Iowa
(712) 243-1132
Virgil Schmitt
Virgil Schmitt
Field Agronomist in SE Iowa
(563) 263-5701
Gentry Sorenson Headshot
Gentry Sorenson
Field Agronomist in NW Iowa
641-430-6715
Rebecca Vittetoe
Rebecca Vittetoe
Field Agronomist in EC Iowa
(319) 653-4811
Michael Witt
Michael Witt
Field Agronomist in WC Iowa
(641) 430-2600

Disease Campus Specialists

chelsea harbach sitting by a compound microscope
Chelsea J Harbach
Plant Disease Diagnostician
+1 515 294 0581
Laura Jesse Iles
Laura Jesse Iles
Director, North Central IPM Center
Daren S Mueller
Professor, Extension Plant Pathologist
5154608000
Alison Robertson photo
Alison Robertson
Professor of Plant Pathology and Microbiology, Extension Field Crops Pathologist
(515) 294-6708
Greg Tylka photo
Greg Tylka
Morrill Professor, Nematologist, Director of the Iowa Soybean Research Center
515-294-3021
Edward Zaworski
Ed Zaworski
Plant Pathology Diagnostician, Extension Program Specialist II
(515) 294-0581