Blog

Rebecca Vittetoe
May 17, 2022 12:56 PM

Farmers finally caught a break last week and were able to make a lot of planting progress across most of the state. Some areas that did not miss the rains last week had more limited progress made with getting the crop in the ground. The earlier planted crops and even some of the crops put in...

Crop Production

Ashley Dean
May 16, 2022 1:53 PM

Erin Hodgson
May 16, 2022 1:53 PM

Western and northern corn rootworms are serious corn pests in Iowa and the Corn Belt. These pests readily adapt to management tactics, especially in continuous corn production. The larvae consume corn roots, reducing nutrient and water uptake and causing stalk lodging. The adults may also feed...

Crop Production, Insects and Mites

Mark Licht
May 12, 2022 10:54 AM

Sotirios Archontoulis
May 12, 2022 10:54 AM

The planting is slow in 2022 – according to last Monday’s USDA Crop Progress Report corn planting was at 14% and soybean planting was at 7% complete. This is nearly two weeks behind normal. This week’s warm temperatures have driven up soil temperatures but wet soil conditions are still the...

Crop Production

Ashley Dean
May 11, 2022 10:26 AM

Moth flights into Iowa continued to increase last week. In total, our cooperators captured 118 true armyworm (TAW) moths and 183 black cutworm (BCW) moths during Week 6 (May 1 to May 7).

Week 6 report:

Moths of each species were captured almost every day last...

Crop Production, Insects and Mites

Rebecca Vittetoe
May 10, 2022 2:22 PM

While not much planting progress was made last week (again), the warmer and drier weather this week should provide more favorable conditions for fieldwork and planting. Some of the hot topics over the last week across the state included concerns about cover crop termination, seeding forages yet...

Crop Production

Meaghan Anderson
May 6, 2022 2:18 PM

This spring's weather has resulted in an unusually slow start to the growing season, especially when compared with the past two years. In springs like these, field operations are condensed and there may be temptation to skip some of the field preparation to get acres planted in a timely manner....

Weeds, Herbicide Resistance

Sotirios Archontoulis
May 6, 2022 10:34 AM

Mark Licht
May 6, 2022 10:34 AM

Corn and soybean planting is progressing very slowly across the state. The starting soil conditions (temperature, water, nitrogen) however are very different from last year. In this blog we’ll benchmark soil conditions using simulated data from...

Crop Production

Elizabeth Danielson
May 4, 2022 3:41 PM

When selecting a pesticide, make sure you read the label to ensure that you have the Personal Protective Equipment (PPE) needed...

Pesticide Education

Ashley Dean
May 4, 2022 10:59 AM

Last week, we saw an increase in the number of moths caught around the state. This is not surprising considering a few storm systems moved through the Midwest, and strong southerly winds prevailed on April 23 and during the late part of last week. In total, our cooperators captured 105 true...

Crop Production, Insects and Mites

Rebecca Vittetoe
May 3, 2022 9:42 PM

It has been a slow start to the 2022 growing season with minimal fieldwork and planting done across the state. According to the USDA-NASS May 2 Crop Progress...

Crop Production

Alison Robertson
May 3, 2022 9:48 AM

Daren S Mueller
May 3, 2022 9:48 AM

Brrrrrrrrr.  Is summer ever going to come?  It’s cold.  It’s wet.  Planting progress is behind and everyone is starting to get antsy. When we finally get our seed in the ground, as Emily Unglesbee so eloquently wrote, “...

Plant Diseases

Mark Licht
May 3, 2022 8:30 AM

Over the last couple of weeks there have been numerous reports of both corn and soybean fields being planted. At present soil temperatures are hovering just below 50oF for most of the state, with the...

Crop Production

Ashley Dean
May 2, 2022 1:07 PM

Erin Hodgson
May 2, 2022 1:07 PM

For many years, we have provided scouting alerts for key insect pests on ICM News and ICM Blog, including...

Crop Production, Insects and Mites

Erin Hodgson
May 2, 2022 11:46 AM

Ashley Dean
May 2, 2022 11:46 AM

Today during our Crops Team meeting, many field agronomists shared that cool soil temperatures and rain have delayed planting in Iowa, but there are some very determined farmers getting acres planted around the state. These cool and wet conditions during spring are favorable for a few seed and...

Crop Production, Insects and Mites

Ashley Dean
April 28, 2022 12:56 PM

Black cutworm (BCW) and true armyworm (TAW) moths continued to migrate into Iowa during Week 4 (April 17 to April 23). Last week, our cooperators reported a total of 60 BCW and 13 TAW moths throughout the state.

Week 4 report:

All of the moths were captured in...

Crop Production, Insects and Mites

Ashley Dean
April 21, 2022 8:42 AM

Rebecca Vittetoe
April 21, 2022 8:42 AM

The cooler temperatures this spring have slowed down alfalfa growth, but alfalfa weevil could already be active based on growing degree day (GDD) accumulation since January 1. We recommend beginning...

Crop Production, Insects and Mites

Ashley Dean
April 20, 2022 4:44 PM

Windy conditions last week brought our first large flights of black cutworm (BCW) and true armyworm (TAW) moths to Iowa. During Week 3 (April 10 to April 16), our cooperators reported a total of 49 BCW and 20 TAW moths throughout the state.

Week 3 report:

More...

Crop Production, Insects and Mites

Mark Licht
April 19, 2022 8:00 AM

Joel DeJong
April 19, 2022 8:00 AM

Yesterday’s crop progress and condition report indicated little to no planting progress for corn or soybean. This is not a bad thing, considering the temperatures the five days. All hope is not lost! Iowa farmers are able to plant an incredible number of acres really fast. Larger planters,...

Crop Production

Ashley Dean
April 14, 2022 8:16 AM

Cold weather has kept migratory moths out of Iowa through Week 2 of the trapping network. However, our cooperators have seen some native moths show up in their true armyworm traps. During week 2 of the Iowa Moth...

Crop Production, Insects and Mites

Joel DeJong
April 13, 2022 9:08 AM

Dennis Todey
April 13, 2022 9:08 AM

Justin Glisan
April 13, 2022 9:08 AM

Daryl Herzmann
April 13, 2022 9:08 AM

It is the time of year when forecasts become a bigger concern for Iowa crop producers. Nearly everyone has their favorite choice for getting their weather information. In this article we will be sharing weather sites we use when discussing weather issues with our crop production clients.

Crop Production

Ashley Dean
April 11, 2022 4:22 PM

Although it has been uncharacteristically cold recently, it is officially springtime in Iowa and many insects are coming to life. One of the first things the field crop entomologists do each year is coordinate the Iowa Moth Trapping Network. Usually, these traps catch the specific species we are...

Insects and Mites

Mark Licht
April 11, 2022 12:30 PM

Dennis Todey
April 11, 2022 12:30 PM

Justin Glisan
April 11, 2022 12:30 PM

Soil temperature is one of the most important factors to guide planting decisions. The rule of thumb is to wait until the upper 4 inches reach at least 50 degrees, with a warming temperature trend in the forecast. One way to track soil temperatures across Iowa is by using the...

Crop Production

Meaghan Anderson
April 8, 2022 10:35 PM

With a warm-up in the forecast, spring fieldwork like cover crop termination will begin when fields are fit. While some farmers may opt to use mechanical methods of cover crop termination like tillage or roller-crimping, chemical termination is the most common and often most effective way to...

Crop Production, Weeds

Ashley Dean
April 7, 2022 3:08 PM

The 2022 moth trapping season is underway, and most of our volunteers placed traps the week of March 27. Black cutworm (BCW) monitoring is a long-standing project in Iowa, and true armyworm (TAW) was added in 2017 (Photo 1). Both of these pests are migratory, making it difficult to predict where...

Crop Production, Insects and Mites

Angie Rieck-Hinz
April 5, 2022 2:17 PM

Rebecca Vittetoe
April 5, 2022 2:17 PM

Elizabeth Danielson
April 5, 2022 2:17 PM

This is the final article in a 3-part series for private pesticide applicators.  Part 1 focused on remaining continuing instruction courses to maintain...

Pesticide Education

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