Blog

Rebecca Vittetoe
May 22, 2018 10:05 AM

While #Plant18 has basically wrapped up in the southern part of the state for corn and soybeans are about three-fourths planted, #Plant18 has been much slower in the northern part of the state. According to...

Crop Production

Adam Sisson
May 22, 2018 8:42 AM

Erin Hodgson
May 22, 2018 8:42 AM

True armyworm is a migratory pest that arrives in Iowa from southern states and lays eggs on living tissue. Adult females are attracted to fields with green plants, particularly weedy grasses or living cover crops. These plants serve as initial feeding sites for larvae. When these original host...

Crop Production, Insects and Mites

Ethan Stoetzer
May 21, 2018 9:47 AM

The 4-H Ag Innovators Experience Monarchs on the Move challenge tour is underway in Iowa, and geared up to hit over 70 events throughout the remainder of the spring and summer. So far, the tour has stopped in nine locations for Science, Technology, Engineering and Mathematics (STEM) field days...

Insects and Mites

Bob Hartzler
May 18, 2018 8:31 AM

Meaghan Anderson
May 18, 2018 8:31 AM

Cool conditions during planting season increase the potential for herbicide injury to seedlings due to slow emergence and reduced ability of the crop to metabolize herbicides. While herbicides may be responsible for emergence issues, most problems that have been brought to our attention seem to...

Weeds

Mark Licht
May 14, 2018 6:07 PM

Planting conditions in northern Iowa, especially north of highway 20, is experiencing delays due to abundant rainfall. Corn planting progress is currently at 40% across the northern crop reporting districts compared to 65% and 70% for the state and 5-year average (...

Crop Production

Rebecca Vittetoe
May 8, 2018 9:43 AM

#Plant18 continues to progress across the state. According to Monday’s USDA Crop Progress Report, approximately 40% of Iowa’s expected corn crop has been...

Crop Production

Erin Hodgson
May 7, 2018 11:31 AM

Over the weekend, someone let me know they saw a western corn rootworm adult. Remember this pest overwinters as an egg that hatches in June! They get confused with closely-related species every spring: striped cucumber beetle. Striped and spotted cucumber beetles overwinter as adults and become...

Crop Production, Insects and Mites

Erin Hodgson
May 2, 2018 6:54 AM

A free app is now available to simplify the early detection of brown marmorated stink bug in the Midwest. This new invasive species has a wide host range, including soybean, corn, apples, tomatoes, grapes and peppers. App features include:


  • A stink bug "look...
Crop Production, Insects and Mites

Sotirios Archontoulis
April 26, 2018 2:07 PM

Mike Castellano
April 26, 2018 2:07 PM

Mark Licht
April 26, 2018 2:07 PM

Every year is different. This year’s weather from January 1 to April 25 was cold and wet; a stark contrast to last year’s weather. While we know the differences in weather conditions every year, we do not know the implications on soil water and N at planting time. Field operations have just...

Crop Production

Rebecca Vittetoe
April 25, 2018 7:13 AM

It has been a slow start to #Plant18 in Iowa. The cooler and wet weather has kept many farmers out of the fields despite the fact that it is getting to be the end of April. Spring finally seems to have arrived (or at least for parts of Iowa), and with that farmers are not wasting anytime getting...

Crop Production

Paul Kassel
April 19, 2018 1:30 PM

Most people say that this spring is one for the history books.  No one seems to remember a colder or snowier start to the spring.

The following are some figures...

Crop Production

Nick Upah
April 17, 2018 9:37 AM

Mark Licht
April 17, 2018 9:37 AM

This spring has already brought on concerns about poor weather resulting in delays on corn planting. At this point in time, there is still time. It is highly important to remain patient and wait for the right corn planting conditions. Planting into marginal conditions can result in problems all...

Crop Production

Micheal D.K. Owen
April 9, 2018 3:16 PM

The 29th David W. Staniforth Memorial Lecture was presented by Dr. Fred Gould on April 3rd.  The lecture was titled "Will Genetically Engineered Pests Protect Health, Biodiversity, and Crop Production?".  Dr. Gould is the Co-director of teh Genetic Engineering and Society...

Weeds

Rebecca Vittetoe
April 9, 2018 3:04 PM

Green cover crop fields are slowly starting to appear across the state. Despite the recent snow that fell across the state, #plant18 is right around the corner. Farmers should have a game plan in place for how they plan to terminate their overwintering cover crop. Killing cover crops with a...

Crop Production

Maya C Hayslett
April 9, 2018 1:22 PM

Registration is now open for the 2018 Youth Crop Scouting Competition to be held on July 30th. High school students (those completing grades 9-12) from Iowa are invited to compete and showcase crop scouting abilities in corn and soybean. The competition will be a one day event focusing on...

Crop Production

Greg Brenneman
April 6, 2018 8:41 AM

It is important to keep stored grain cool as we go into the spring and summer months.  Some warming of stored grain may have already occurred during warmer weather and with the sun shining on the south side of grain bins.

With the weather forecast for Friday through next Tuesday...

Grain Handling and Storage

Erin Hodgson
March 30, 2018 10:31 AM

Insecticide-resistant soybean aphids have emerged as a new challenge to farmers throughout the upper Midwest. In a new regional publication, we suggest strategies for managing soybean aphids resistant to pyrethroid insecticides. A few key points for managing aphids are: 

Crop Production, Insects and Mites

John Sawyer
March 26, 2018 11:13 AM

The regional Corn Nitrogen Rate Calculator (CNRC; http://cnrc.agron.iastate.edu/) website was recently updated with a revised Iowa N response trial database. The changes to the suggested N rates in Iowa are...

Soil Fertility

Virgil Schmitt
March 12, 2018 1:13 PM

Pest resistance is a world-wide challenge from hospitals to farm fields. I recently spent several days in the hospital battling an internal bacterial infection, which required intravenous antibiotics. I noted that the medical staff:

Crop Production, Insects and Mites, Plant Diseases, Weeds, Herbicide Resistance

Bob Hartzler
March 4, 2018 10:40 AM

The Center for Biological Diversity (CBD) recently released a report (A menace to monarchs) describing the threat to monarch butterflies posed by an increased use of dicamba. ...

Weeds

Kristine Schaefer
March 1, 2018 2:58 PM

Elizabeth Buffington
March 1, 2018 2:58 PM

A collection of educational resources to help people on farms, orchards, forests, and other agricultural establishments comply with EPA’s revised Worker Protection Standard (WPS) regulation is now available online at http://pesticideresources.org/wps...

Pesticide Education

Erin Hodgson
February 27, 2018 2:12 PM

Adam Sisson
February 27, 2018 2:12 PM

The IPM team at Iowa State University has been monitoring for field crop pests for a long time. The target pests have changed over the years, but the goal always remains the same: help inform farmers about pest activity in Iowa. One long-standing...

Crop Production, Insects and Mites

Adam Sisson
February 21, 2018 2:25 PM

The new crop season is right around the corner, and we want you to be prepared for yield-reducing disease, insect and weed issues! ISU Extension publications are great field scouting resources and provide a wealth of information for identifying production issues in your fields.

Four ISU...

Insects and Mites, Plant Diseases, Weeds

Micheal D.K. Owen
February 16, 2018 11:50 AM

Dr. Fred Gould, University Distinguished Professor and Reynolds Professor of Entomology at North Carolina State University will present the 29th Staniforth Memorial Lecture on April 3rd at 4PM in the Curtiss Hall Auditorium on the Iowa State University Campus.  Dr. Gould...

Weeds

Daren Mueller
February 14, 2018 2:32 PM

Adam Sisson
February 14, 2018 2:32 PM

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

Crop Production, Insects and Mites, Plant Diseases, Weeds

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