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Brownstown Agronomy Research Center Field Day – July 25

  • July 15, 2013

The 2013 Brownstown Agronomy Research Center Field Day, presented by the University Of Illinois Department Of Crop Sciences, will be held on Thursday, July 25. Extension researchers and specialists will address issues pertinent to the current growing season. Tours will start at 8 a.m., with the second and third groups leaving the headquarters around 8:20 a.m. and 8:40 a.m. The tours will last about two and a half hours and will be followed by lunch provided by U of I Extension.…

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Corn Rootworm Larval Injury and Adult Emergence Lagging this Season

  • July 11, 2013

Although western corn rootworm adult emergence is underway across many central Illinois counties, a quick poll of participants at the DeKalb Research and Education Center field day near Shabbona, Illinois on July 10 revealed that participants have not observed any beetles moving about their cornfields. Joe Spencer, an entomologist with the Illinois Natural History Survey, observed larvae continuing their root feeding activity in his research plots north of Urbana on July 9. Based upon these observations,…

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Western Corn Rootworm Adult Emergence has Begun

  • July 2, 2013

Western corn rootworm adult emergence is underway across east central Illinois. On July 1, Nick Tinsley, Research Specialist in the Department of Crop Sciences, observed his first adult male western corn rootworm of the growing season just south of Urbana within a University of Illinois research plot. Later that day, Joe Spencer, Associate Research Professor, Illinois Natural History Survey, observed five western corn rootworm adults after about 20 minutes of searching in his research plots north of Urbana.…

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Count Down to the Northwestern Agricultural Research Center Field Day

  • July 2, 2013


Preparations are underway for the 32nd Annual University of Illinois’ Northwestern Agricultural Research Center Field Day. The program will begin at 8 am on Wednesday, July 17th.
Buses will carry members of the public to different stops in the research center where specialists from the University of Illinois’ Department of Crop Sciences or Extension personnel will present their most current crop and pest management research and recommendations.
 
Topics and speakers include:
Identification and management of Goss’s wilt of corn –…

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2013 Northern Illinois Agronomy Field Day

  • July 1, 2013

The University of Illinois’s Northern Illinois Agronomy Research Center will host a summer Agronomy Day Wednesday, July 10. U of I Extension specialists and researchers will address issues that are pertinent to the 2013 growing season. The program will begin at 9 a.m. and finish with a meal provided at noon. Anyone can attend, and there is no registration or fee required. CEUs will be available for certified crop advisers.

A Corn Rootworm Root Rating Field Day will be held in conjunction with Agronomy Day.…

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Japanese Beetle Emergence Underway Across the State

  • June 26, 2013

Reports of Japanese beetles are becoming more common across the state of Illinois. On June 19, Ron Hines observed his first Japanese beetles of the season in Massac County. Much further to the north, Angie Peltier, University of Illinois Extension Commercial Agriculture Educator located at the Research and Demonstration Center, Monmouth, Illinois, collected about 1 inch of beetles in a trap from June 20 to 24. These observations confirm that this perennial insect pest of corn and soybeans is present throughout much of  the state.…

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Soybean Aphid Update: Insecticidal Seed Treatments and Resistant Varieties

  • June 25, 2013

In mid-June, Chris DiFonzo, Extension Entomologist at Michigan State University, reported that a soybean field (Saginaw Farm) was infested with soybean aphids (~44% of plants infested).  Chris indicated that none of the plants had received an insecticidal seed treatment. Reports from other entomologists (Iowa and Minnesota) indicate that soybean aphids are being found at more modest levels. At this point, it remains unclear what soybean aphid infestations will look like for much of the Corn Belt.…

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Nitrogen and the 2013 Corn Crop

  • May 31, 2013

The NASS report indicated that corn planting in Illinois was 89% complete by May 26. This leaves more left to plant than we’d like, and it’s still wet in some areas, so we expect a long “tail” to corn planting this year, unless some of the acres intended to corn get switched to soybeans.
The rainfall that delayed planting across Illinois this year is also affecting nitrogen fertilizer management. For many, the rush to get the crop planted meant abandoning or modifying plans to apply N before or after planting or before tillage.…

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Cereal Leaf Beetles and Aphids Present in Southern Illinois Wheat Fields – Overall Activity Low

  • May 20, 2013

Kevin Black, Insect and Plant Disease Technical Manager, Growmark, Inc., recently reported that cereal leaf beetles can be found in low numbers in some wheat fields across southern Illinois. In addition, densities of aphids in these fields were low according to Kevin. He attributed these low pest numbers to the presence of natural enemies hard at work (Figures 1 and 2). Cereal leaf beetles complete one generation per year. The adult is a colorful beetle (3/16 inch long) and has metallic bluish-black wings (elytra) and reddish-orange legs and thorax (Figure 3).…

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Western Corn Rootworm Hatch Expected to Begin over Memorial Day Holiday Weekend for Central Illinois

  • May 20, 2013

Each spring as we approach mid-to-late May, questions begin to surface regarding the timing of the annual corn rootworm larval hatch. In general, this yearly event and the Memorial Day Holiday weekend coincide reasonably well for the latitude that cuts across much of central Illinois. As many of us recall, last year shattered this pattern and western corn rootworm adults and severe root damage were observed during the first week of June in western Illinois. Because hatching of larvae is a heat-driven biological event,…

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