Crop Diseases

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

Crop Disease ICM News Articles and Blog Posts

Oct 15, 2019 ISU Extension Plant Pathologist Mueller to host NC3 Webinar
Oct 11, 2019 How far has tar spot spread in Iowa in 2019?
Sep 23, 2019 Random thoughts and observations on ear and stalk rots in Iowa
Sep 4, 2019 Ergot: Be aware when harvesting small grains and grasses
Aug 9, 2019 More and more reports of tar spot on corn
Jul 22, 2019 Preventative and Curative Fungicides
Jul 17, 2019 Foliar Fungicide Decisions for Late-Planted Crops
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

Sporecaster - Predicting white mold in soybean
Physoderma brown spot
Scouting Field Basics Workshop
Pine Wilt
Pork producers growing monarch butterfly habitat
View more disease videos

Crop Disease Descriptions

Bacterial leaf streak  Bacterial Leaf Streak

Diplodia stalk rot  Diplodia Stalk Rot

Sudden Death Syndrome  Sudden Death Syndrome

View more corn disease and soybean disease descriptions

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
Joel DeJong
Joel DeJong
Field Agronomist in NW Iowa
(712) 546-7835
Paul Kassel
Paul Kassel
Field Agronomist in NW Iowa
(712) 262-2264
Brian Lang
Brian Lang
Field Agronomist in NE Iowa
Office (563) 382-2949 Cell (563) 387-7058
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) 769-2650
Virgil Schmitt
Virgil Schmitt
Field Agronomist in SE Iowa
(563) 263-5701
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

Laura Jesse Iles
Laura Jesse Iles
Director, Plant & Insect Diagnostic Clinic, Co-Director, North Central IPM Center
(515) 294-0581
Daren Mueller
Daren Mueller
Associate Professor, Extension Plant Pathologist
Alison Robertson photo
Alison Robertson
Professor of Plant Pathology and Microbiology, Extension Field Crops Pathologist
(515) 294-6708
Greg Tylka photo
Greg Tylka
Professor, Nematologist, Director of the Iowa Soybean Research Center
515-294-3021
Edward Zaworski
Edward Zaworski
Plant Pathology Diagnostician, Extension Program Specialist II
(515) 294-0581