Illinois Corn, Soybeans: Biggest Pest Problem in 2018

🕔Sep 18, 2018As field and research season winds down, we’re able to finish collecting and summarizing data. One of our biggest summer projects is the annual corn and soybean survey. While some […]

Texas Corn: Bt Toxin and Corn Rootworm Resistance – Diminished Value is Still Value

🕔Sep 8, 2018We are entering a time when insects have become resistant to many of the Bt toxins in our GMO corn and cotton. This is the first in a series of […]

Texas: Bt (GM) Crop Resistance – Corn Rootworm, Corn Earworm, Cotton Bollworm

🕔Sep 6, 2018It has been quite a challenging summer with our Bt crops on the Texas High Plains.  This year we have seen huge numbers of corn rootworms emerging from many fields […]

Texas Plains Crops: Drought Taking Toll on Plants and Pests

🕔Jul 24, 2018General Status The persistent drought conditions are taking their toll. Most dryland fields are already few and far between but the areas within Hale, Swisher, and Floyd that have received […]

Minnesota: Corn Rootworm Emergence About to Rocket

🕔Jul 2, 2018Corn rootworm emergence typically begins in the days following July 4th. Based on predictive degree-day models and confirmed with flotation of rootworms from dug plants, 2018 will follow this pattern […]

Indiana Corn: Rootworms Still a Threat – One Grower Finds Out the Hard Way

🕔Jul 2, 2018This past week we learned of a producer in a northwestern Indiana county that gambled by not protecting his continuous-corn from rootworm. It was a “money saving” decision, as traited […]

Minnesota Corn: Rootworms – Activity, Bt Resistance – Podcast

🕔Jun 8, 2018Our guest this week is Dr. Ken Ostlie, University of Minnesota Extension Entomologist, and Professor in the Dept. of Entomology, UMN. Ken’s primary research and extension responsibilities include corn insect […]

Iowa: Corn Rootworm Egg Hatch Peaks Ahead of Normal

🕔May 30, 2018Corn rootworm egg hatch in Iowa typically occurs from late May to the middle of June, with an average peak hatching date of June 6 in central Iowa. In 2018, […]

Illinois Corn: Managing Corn Rootworm Populations in 2018

🕔Mar 9, 2018Rootworm management is a yearly consideration for most corn producers in central and northern Illinois. Western corn rootworm is the primary pest species throughout most of the state, but areas […]

Iowa: Corn Rootworm Egg Hatch Peaking Around the State

🕔Jun 13, 2017Corn rootworm egg hatch in Iowa typically occurs from late May to the middle of June, with an average peak hatching date of June 6 in central Iowa. In 2017, […]

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