Daren Mueller

Dr. Daren Mueller is an assistant professor and extension plant pathologist at Iowa State University. He is also the coordinator of the Iowa State University Integrated Pest Management (IPM) program. Dr. Mueller eraned his bachelor's degree from the University of Wisconsin-Madison in 1996, and his master's degree and doctorate in Plant Pathology from the University of Illinois-Urbana in 1999 and 2001. His main research interests involve understanding the biology and management of soybean diseases. The Iowa State IPM program, among other things, develops several publications about field crops pests, leads the ISU Field Extension Farm, and is involved in several STEM education projects. 

Daren Mueller
August 14, 2017 12:07 PM

Six teams of Iowa youth from across the state participated in the seventh annual Iowa Crop Scouting Competition on July 31 at the ISU Extension and Outreach...

Crop Production, Insects and Mites, Plant Diseases, Weeds
July 17, 2017 12:14 PM

1) Develops in hot, dry weather conditions. Charcoal rot is a fungal disease that is most severe in years and areas experiencing hot, dry weather. However, this disease can also cause losses when ample moisture is present, making it a hidden threat to yield.


Plant Diseases
July 14, 2017 4:13 PM

The Twitter accounts @corndisease and @soydisease are a place for farmers agronomists, crop consultants, and specialists to collectively document and track...

Insects and Mites, Plant Diseases, Weeds
July 7, 2017 12:05 PM

While scouting corn and soybean fields this summer, farmers and agribusiness professionals are encouraged to tweet a photo with the name of the crop disease, county, and state to either @corndisease or...

Insects and Mites, Plant Diseases, Weeds
April 5, 2017 11:42 AM

Iowa State University Extension and Outreach has published the Field Crop Scouting book as an online learning tool for students and ag professionals in Iowa. This interactive textbook allows individuals to acquire knowledge about crop scouting topics...

Crop Production, Insects and Mites, Plant Diseases, Weeds
March 23, 2017 4:24 PM

The Iowa State University Integrated Pest Management (IPM) Program is pleased to present the 7th annual Crop Scouting Competition for Iowa youth.

High school students (those completing grades 9-12) from Iowa are invited to compete and showcase their crop scouting abilities in corn and...

Crop Production, Insects and Mites, Plant Diseases, Weeds
March 1, 2017 10:55 AM

The new crop season is right around the corner, and we want you to be prepared!

Two publications have new bundle discounts—the Weed Identification Field Guide, 2nd Edition, and the new Corn and Soybean Field Guide, recently published in fall 2016.


Plant Diseases, Weeds
January 18, 2017 5:57 AM

If you grow soybean your help is needed. We are asking for yields and management information that is used for your soybean fields. The goal behind this project identify key factors that prohibit soybean farmers from obtaining yields that are potentially attainable on their respective farms. Or...

Crop Production
November 21, 2016 3:37 PM

The Crop Protection Network (CPN; www.cropprotectionnetwork.org) is a working group made up of state university and provincial Extension specialists, and public/private professionals. This group produces collaborative Extension outputs for...

Plant Diseases
August 8, 2016 4:46 PM

Several soybean diseases have become noticeable after recent rainfall across the state.

The following diseases are currently showing up regularly across Iowa soybean fields, depending on your location in the state:

Plant Diseases
June 15, 2016 5:02 PM

A Twitter campaign has been started to track corn and soybean diseases throughout the country. While scouting this summer, farmers and agribusiness professionals are encouraged to tweet a photo with the name of the disease, county, and state to either...

Plant Diseases
March 16, 2016 7:15 PM

Alison and I spent the week editing the nearly final version of two national publications about corn and soybean diseases. These will be published by our society, APS Press, like the Fungicides for Field Crops ...

Plant Diseases
October 7, 2015 11:57 AM

By: Daren Mueller and graduate students, Xavier Phillips and Chelsea Harbach

Green and purple soybean stems

Some are noticing plants with green, yellow or purple...

Crop Production, Plant Diseases