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Mid-Season Update on Fungicides and Corn Diseases

July 23, 2014

We continue to receive several questions about Northern corn leaf blight, Goss’s wilt and fungicides. Here is some additional information.

Basics of fungicides

Parts of rural Iowa are abuzz about fungicide use to manage some emerging diseases, and we have received several questions about the basics of fungicides. A quick reminder, APS PRESS recently published a book geared towards farmers and agronomists on the basics of fungicides.

Fungicide Thoughts for 2014 Season

July 7, 2014

We will have a fair amount of corn tasseling shortly after the weekend – so fungicide application season is about here.

In talking with farmers and retailers the last week or so, based on all the rainfall and wet soils this is shaping up to be a big year for fungicide applications, so just a few thoughts for guys “on the fence” and trying to decide whether to spray or not.

ICM Conference 2018: Day 2 Round Up

November 29, 2018

Day 2 of the #ICM30 Conference has wrapped up and while we feel great about the sessions we were able to get to today, there were plenty out there that we were not able to get to that had just as helpful information. Make sure to get on Twitter and search for the #ICM30 to get all of the updates from various presentations today.

Here is a round-up of several sessions today in relation to Integrated Pest Management:

Brad Coates
Insect Resistance to Bt

Iowa Pest Resistance Management Plan Unveiled

January 30, 2017

Iowa Pest Resistance Management Plan logo

DES MOINES – Iowa Secretary of Agriculture Bill Northey, Iowa State University College of Agriculture and Life Sciences Associate Dean John Lawrence and Iowa farmer Larry Buss of Logan today announced the release of the Iowa Pest Resistance Management Plan. A video of the announcement is available here.

Version 1 of the IPRMP is an Iowa-specific plan that seeks to engage farmers on the issue of pest resistance management with the goal of keeping technology and tools such as pesticides, seed treatments and biotechnology products and native traits available and effective.

Gettin’ Fungicide All Up in My Canopy

Show: 
I See Dead Plants
Season: 
1
Episode: 
3
Description: 

On this episode of the I See Dead Plants Podcast, host Ed Zaworski speaks with Dr. Andrew Penney, a former PhD. student at Iowa State University who now works with Bayer Crop Sciences as a Technical Agronomist. Andrew shares his past experiences as a student working to understand different fungicide application technologies and how they affect overall yield. He also explains his research findings from his article, published by Elsevier Ltd., called “Comparison of aerial and ground sprayer fungicide application technologies on canopy coverage, disease severity, lodging, and yield of corn”.

Additional Resources:

Meta-analysis of yield response of foliar fungicide-treated hybrid corn in the United States and Ontario, Canada by Wise et al. 2019.

Fungicide Efficacy for Control of Corn Diseases from the Crop Protection Network.

Impact of foliar fungicide timing and fungicide class on corn yield response in the United States and Ontario, Canada from the Crop Protection Network.

Fungicide Use in Field Crops web book from the Crop Protection Network.

Comparison of fungicide application technology: Relationship between coverage and disease severity and the physiological impact of fungicides on grainfill thesis.

How to cite this podcast:

Zaworski, E. (Host) and Penney, A. (Interviewee). Gettin’ Fungicide All Up in My Canopy. S1:E3 (Podcast). July 28, 2021. In I See Dead Plants. Crop Protection Network. Https://www.ipm.iastate.edu/podcasts/i-see-dead-plants/gettin'-fungicide-all-my-canopy.

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