Blog

Rafael Martinez-Feria
September 21, 2018 9:57 AM

Sotirios Archontoulis
September 21, 2018 9:57 AM

Mark Licht
September 21, 2018 9:57 AM

Corn and soybean harvest has started across many parts of Iowa. Some areas of the state have swung between warm-dry and cool- wet weather within the last few days. With more rain in the forecast, a few producers may be wondering about how fast corn will dry down in the field in the coming weeks...

Crop Production

Ethan Stoetzer
September 12, 2018 10:54 AM

Daren Mueller
September 12, 2018 10:54 AM

The University of Illinois, Urbana, is seeking assistance from its friendly neighbor to the west, the corn-state of Iowa, in locating samples of tar spot in corn. This is part of the university’s new research project investigating the genetic variability of the tar spot pathogen.

Tar spot...

Plant Diseases

Bob Hartzler
September 3, 2018 8:53 AM

It's Labor Day weekend, that means it's time for me to see what's happening at the first three Palmer amaranth infestations in western Iowa. The infestations (Harrison, Fremont, and Page Counties) were first reported in 2013.  Harrison County had two fields (approximately 50 acres) with...

Weeds

Bob Hartzler
August 25, 2018 10:10 AM

The finding of mile-a-minute weed near Knoxville, and the subsequent request for reports of additional infestations, has led to a flurry of calls regarding potential findings. Fortunately, none of the reports have been positive, but we appreciate people paying attention to plants in the...

Weeds

Bob Hartzler
August 15, 2018 12:40 PM

Meaghan Anderson
August 15, 2018 12:40 PM

Another contest is in the books, and once again we provided a sufficient challenge to prevent anyone from earning a perfect score.  In the Professional Division, two-time defending champion Cindy Recker was narrowly edged out by Karen Stiles, last year’s winner in the General Division. Both...

Weeds

Ethan Stoetzer
August 8, 2018 9:27 AM

Maya C Hayslett
August 8, 2018 9:27 AM

In June, as part of the annual Iowa 4-H Youth Conference, 13 students participated in the CSI: Crop Science Investigation workshop.

Students who participated...

Crop Production

Meaghan Anderson
August 3, 2018 2:43 PM

Virgil Schmitt
August 3, 2018 2:43 PM

Rebecca Vittetoe
August 3, 2018 2:43 PM

Joshua Michel
August 3, 2018 2:43 PM

Mark your calendar for the September 6Fall Field Day at the Southeast Research and Demonstration Farm near Crawfordsville.

This year’s fall field day will feature the following topics:

  • “A Season in Review” by Myron Rees, Southeast Research Farm Superintendent
  • ...
Crop Production

Rebecca Vittetoe
July 31, 2018 3:11 PM

Late season weed escapes, off-target herbicide movement, sightings of soybean aphids, and a little bit of frogeye leaf spot were some of the common issues that Iowa State University Extension and Outreach field agronomists saw in...

Crop Production

Sotirios Archontoulis
July 25, 2018 7:13 AM

Mark Licht
July 25, 2018 7:13 AM

Our analysis shows that soybean more has been more adversely affected by the 2018 weather compared to corn. Soybean yield potential has dropped while corn yield potential is still high. We are in the midst of critical corn grain filling now and soybean grain filling will be starting soon....

Crop Production

Rebecca Vittetoe
July 24, 2018 3:27 PM

Gray leaf spot, spotting of soybean aphids, and off-target herbicide movement seem to be common and big issues that Iowa State University Extension and Outreach field agronomists saw across the state this past week. Read on for more...

Crop Production

Bob Hartzler
July 23, 2018 3:36 PM

Meaghan Anderson
July 23, 2018 3:36 PM

Mile-a-minute weed (Persicaria perfoliata) is an invasive species in the Polygonaceae (smartweed) family that is native to Asia.  It is believed to have been introduced to the United States in the late 1800’s and early 1900’s, but the initial introductions failed to form permanent...

Weeds

Rebecca Vittetoe
July 18, 2018 11:18 AM

This past week brought drier conditions across the state. Northern Iowa appreciated the chance to dry out some, but parts of southern Iowa could really benefit from some much needed rain. Check out what Iowa State University Extension and Outreach ...

Crop Production

Erin Hodgson
July 17, 2018 8:06 AM

Humans are making more sound, and it can interfere with animals finding mates, food and other essential behaviors. Most of the research showing impacts of human-generated sound is largely focused on vertebrates. Biologists at Mississippi State University were curious about sound potentially...

Insects and Mites

Rebecca Vittetoe
July 10, 2018 11:12 AM

The warm conditions continue to push crops along. Across the state we are approximately...

Crop Production

Bob Hartzler
July 9, 2018 9:35 AM

Off-target injury associated with dicamba application in dicamba-resistant soybean was a significant problem in the Cornbelt during 2017 (A final report on dicamba-injured soybean acres).  The increase in...

Weeds

Rebecca Vittetoe
July 3, 2018 4:46 PM

Strong storms rolled across the state again bringing more heavy rain and even some damaging wind to areas. Despite the flooding in some areas and drought in the southern part of the state, 78% of the corn crop and 76% of the soybean crop was rated in the good to excellent condition based on...

Crop Production

Rebecca Vittetoe
June 26, 2018 6:43 PM

The saga continues with areas of northern Iowa receiving too much rain while southern Iowa continues to be on the drier side. Rainfall totals across the state ranged anywhere from nearly 10 inches in NW Iowa to less than half an inch in parts of southern Iowa. According to...

Crop Production

Rebecca Vittetoe
June 19, 2018 12:07 PM

Parts of Iowa received some much needed rainfall last week, but unfortunately for some areas the storms that rolled through also brought along hail and caused flooding. Overall, crops are looking good across the...

Crop Production

Ethan Stoetzer
June 18, 2018 3:27 PM

The Iowa State University Integrated Pest Management (IPM) program is expanding its social media footprint to now include Facebook. If you follow our content on Twitter (@ISU_IPM) then be sure to give our page a like to stay connected.

Through...

Insects and Mites, Pesticide Education, Plant Diseases

Mark Licht
June 15, 2018 8:03 AM

Yesterday’s heavy rains that marched across large part of central and north central Iowa coupled with recent storm systems across other parts of the state have resulted in significant areas of ponding as well as hail injury.

Crop Production

Erin Hodgson
June 14, 2018 3:46 PM

 


This week, I’ve had a number of people tell me they spotted Japanese beetle. I was initially surprised, because I track degree days to predict adult emergence every summer and it seemed a bit early. According to the ISU Agronomy Mesonet, adults could be emerging...

Insects and Mites

Rebecca Vittetoe
June 13, 2018 11:45 AM

While parts of Iowa are too wet and have experienced hail, wind, and flooding over the past week other parts of the state could desperately benefit from some rainfall. Despite the drastic differences in moisture levels across the state, according to...

Crop Production

Meaghan Anderson
June 12, 2018 8:12 AM

Virgil Schmitt
June 12, 2018 8:12 AM

Rebecca Vittetoe
June 12, 2018 8:12 AM

On June 28, Iowa State University Extension and Outreach will be hosting the annual Spring Field Day and Certified Crop Advisor (CCA) Training at the Southeast Iowa Research and Demonstration Farm near Crawfordsville.

...

Crop Production

Sotirios Archontoulis
June 8, 2018 4:14 PM

Mark Licht
June 8, 2018 4:14 PM

The 2018 growing season is well underway. It is now time to start assessing the rewards of the spring planting season. Our first FACTS (Forecasting and Assessment of Cropping sysTemS) is now live for the 2018 growing season. There have been a...

Crop Production

Adam Sisson
June 8, 2018 9:41 AM

Daren Mueller
June 8, 2018 9:41 AM

Alison Robertson
June 8, 2018 9:41 AM

Widespread hail occurred in Iowa on 6 June 2018, causing damage to many acres of corn and soybean plants. At this time, most of the corn is in the V6 to V8 growth stages, while soybeans are at the V1 to V3 growth stages. Some areas of the state also received hail injury earlier this season....

Crop Production, Plant Diseases

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