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Dr. Erin Hodgson started working in the Department of Entomology at Iowa State University in 2009. She is an associate professor with extension and research responsibilities in corn and soybeans. She has a general background in integrated pest management (IPM) for field crops. Dr. Hodgson's current extension and research programs are focused on improving corn and soybean production by using IPM tactics to protect yield and increase overall farmer profits. Among other projects, she oversees insecticide efficacy evaluations for soybean aphids, Japanese beetles, and aphids in corn. Erin also helps manage emerging field crop pests and invasive species.
Dr. Daren Mueller is an associate 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 earned 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.
Dr. Alison Robertson is an associate professor of plant pathology and microbiology. She provides extension education on the diagnosis and management of corn and soybean diseases. Her research interests include Pythium seedling disease of corn and soybean and Goss's wilt. Dr. Robertson received her bachelor's degree in plant pathology in 1991 from the University of Kwazulu-Natal, Pietermaritzburg, and came to the United States in 1999 to pursue a doctoral degree in plant pathology at Clemson University. She started working at Iowa State University in May 2004.
Adam Sisson is an extension specialist with the Iowa State University Integrated Pest Management (IPM) program and a Certified Crop Adviser. Sisson focuses on the development of publications and other educational resources for farmers, agribusiness, and students. He received his bachelor's degree in agronomy and environmental studies in 2006 and a master's degree in sustainable agriculture in 2009; both from Iowa State University.
Dr. Mark Licht is an assistant professor and extension cropping systems specialist with Iowa State University Extension and Outreach. His extension, research and teaching program is focused on how to holistically manage Iowa cropping systems to achieve productivity, profitability and environmental goals. Research is centered around varied aspects of soybean, corn and cover crop management as well as agronomic implications of precision technologies.
Meaghan Anderson is a field agronomist in central Iowa and an extension field specialist at Iowa State University Extension and Outreach. Educational programming is available for farmers, agribusinesses, pesticide applicators, certified crop advisors, and other individuals interested in crop production.
Areas of expertise include weed management, weed biology, cover crops, corn and soybean management, and integrated pest management.
Subscribe to the Central Iowa Crop Update for current topics and agriculture events in the area.
Dr Laura Jesse Iles co-directs the North Central IPM Center and Directs Iowa State Universities Plant & Insect Diagnostic Clinic (PIDC). Dr. Iles has earned B.S. (Animal Ecology), M.S. (Entomology), and Ph.D. (Co-major in Entomology and Ecology and Evolutionary Biology) degrees, all from Iowa State University. In addition to directing the PIDC, Dr Iles serves as the entomology diagnostician. As part of the ISU Integrated Pest Management Program Dr. Iles provides educational training and diagnostic services in the broad areas of consumer horticulture, biological control, and invasive insect management.
Subscribe to RSS FeedThe hot and dry conditions this past week resulted in crops showing more signs of stress, especially in the drier parts of the state. Drought stress, spider mites, corn rootworms, and questions regarding fungicide applications were the big questions or issues observed by ISU Extension field...
In October 2020, EPA approved five-year registrations (until 2025) for dicamba products including XtendiMax (Bayer), Engenia (BASF) and Tavium (Syngenta) for over-the-top use in Xtend and XtendFlex soybeans. These new dicamba product registrations included national cutoff dates (June 30 in most...
If you listen carefully, you can hear corn tassels rattling in the breeze, and occasionally the hum of a crop sprayer.
This growing season started off exceptionally dry, apart from southeast Iowa. The moisture that arrived in July and hung around for a couple of weeks was welcomed by...
Last week, a team of us met up at the Iowa State University Southeast Research Farm (SERF) to evaluate root injury in a small trial for corn rootworm management. The trial had four treatments replicated eight times. The treatments included no management (glyphosate-tolerant only; no Bt traits or...
Corn started pollinating within the last week, and soybeans range from full flowering (R2) to beginning pod (R2). The hot topics this past week across the state included foliar fungicide decisions, corn rootworms, and herbicide injury in soybeans. Read on for more specifics on what ISU Extension...
Corn pollination is well underway and is one of the most critical times in corn development. Pollination is the biggest factor on the size of yield.
Corn plants have both male and female flowers. The tassel represents the male flower. When tassels emerge, they produce a spikelet, which...
Now is the time to make plans for cover crop planting if you have not already done so. There are several cover crop species that are often talked about, however, cereal rye,...
If you have experienced a suspected dicamba incident contact the Iowa Department of Agriculture and Land Stewardship (IDALS) at 515-281-8591 to file a report. You may file an “Incident Report” or a “Documentary Report” with the IDALS Pesticide Bureau.
Reporting dicamba incidents helps...
Soybean gall midge detections continue in western Iowa. As of this week, there are ten counties with infested soybean fields. These counties were previously infested with larvae. In some fields where we monitor activity a bit closer, we noticed first-generation adults were produced. These adults...
We’ve had two new members join the ISU Crops Team as field agronomists!
Clarabell Knapp, field agronomist for region 11 in south central and south eastern Iowa, began June 7; and Gentry Sorenson, field agronomist for region two in northwest Iowa, began July 6.
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The drier parts of the state finally received some much-needed rainfall, and unfortunately parts of southern Iowa that are pretty well saturated also received some more rain this past week. Herbicide injury in soybeans,...
A common sight across the state this summer has been yellow or white patches of soybean in otherwise green fields. This ICM Blog will review several possible causes of yellow soybean and provide resources regarding each phenomenon.
Iron Deficiency Chlorosis (IDC)...
Herbicide drift, fungicide decisions, and iron deficiency chlorosis were common questions or issues received and/or observed by ISU Extension and Outreach field agronomists this past week. Read on to see what's happening in different regions across the state.
North Central Iowa...
Soybean research and Extension specialists from land-grant universities across the country welcome you to join the next monthly informal discussion on crop production topics that are timely and relevant. When you join the Notes from the Field webinar series, you will get highlights and current...
While some much-needed rain did come this past week it seems that the drier areas continue to miss out or get minimal rainfall and the wetter parts of the state keep getting wetter. The rain also brought some hail, which caused some pretty significant damage not just to crops but property as...
Despite the cooler conditions and precipitation (in some parts of Iowa) last week, the U.S. Drought Monitor categorizes most of Iowa in moderate to severe drought. As we approach tasseling, more and more questions around fungicides are being asked.
All diseases managed by...
I’ve had a lot of questions about soybean gall midge over the winter and in the last few weeks. Most fields have plants with 4-7 trifoliates and I’ve even seen some flowers! If you are connected with the Soybean Gall Midge Alert Network, you know...
The mass of water in corn follows a seasonal cycle. During the vegetative stages, corn is around 80% water. Corn water mass quickly accumulates during the vegetative stages. Maximum water mass occurs around 1830 Fahrenheit GDD after planting for many Iowa corn cultivars, aligning with the end of...
The hot and dry conditions last week resulted in many fields showing signs of stress. Thankfully, a much-needed rain fell across a good part of the state late last week and on Sunday evening. Unfortunately, most of NW Iowa seemed to miss out on the rain. With the much-needed rain, there was also...
While some areas received some much need precipitation later last week and over the weekend, there was some hail that came with it. Some fields have pretty minor hail damage and other fields had some pretty significant hail damage.
Today, our lab crew went to the Johnson Farm south of Ames, Iowa to evaluate a bean leaf beetle study. To our surprise, we found many V4-V6 plants with established soybean aphid colonies (Photo 1). It is not uncommon to find sporadic soybean aphids in June, but it is surprising to find a colony...
While some areas did receive some much-needed rainfall across the state, most areas received very little to no rainfall this past week. Consequently, it wasn’t hard to see lot of corn fields with leaves rolling this past week across the state. Lots of POST herbicide applications, sidedressing,...
Over the last 5 days, I’ve been asked numerous times about a small butterfly roaming the gravel roads and wooded areas around Iowa. It’s a fast, skittish insect and tracking down a good photo has been really tough. They are described by entomologists as mercurial, or subject to sudden and...
The following is a view of the moisture status for six locations in northwest Iowa where the soil was analyzed for spring subsoil moisture. This discussion may or may not reflect the current soil moisture conditions in your area. This article does attempt to account for stored soil moisture,...
Across most of Iowa, corn is near V6 stage and much of Iowa is under some degree of drought stress. The exception being extreme southeast Iowa. Being at V6 stage means corn ear initiation is occurring and in the coming week the number of kernel rows on the ear will be determined. This is the...