Predicted 2010 Corn Rootworm Hatch
Inspecting for corn rootworm larvae should begin after a 50 percent hatch, which research indicates will happen from 684 to 767 accumulated growing degree days.
Integrated Crop Management News
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Sampling Strip Trials for Corn Nematodes
Collecting nematode samples from strip trials with nematicides on corn requires a very different approach than sampling fields to diagnose possible nematode damage to corn. This article contains some points to consider when collecting samples to obtain nematode results from strip trials
Watch for Early-Season Isopods
Isopods have become a new early-season soybean pest in the Midwest. No-till field crops can be attractive to isopods because they are protected under crop residue.
New Invasive Insect Confirmed in Iowa
Knowing the description and characteristics of the emerald ash borer (EAB) can help Iowans as they become more vigilant after the first confirmed finding of EAB in Iowa.
Crop Minute for Week Beginning May 24, 2010
This week's minute covers current insect activity and field diseases, and early fungicide applications.
2010 Western Bean Cutworm Cooperators Needed
ISU is asking for volunteers to help track the movement of western bean cutworm as part of the Western Bean Cutworm Monitoring network.
Timing Restrictions for Postemergence Herbicides in Corn
Corn size or growth stage and size of weeds need to be considered before making postemergence herbicide applications to corn.
Relationship of Nitrogen Conversion in Soil to N Loss
Discussion of wet soils in areas of Iowa this spring, questions about nitrogen loss and processes important for potential N loss.
2010 Soybean Rust Update
This could be the world's shortest ICM News article. It could simply read "soybean rust, meh", but more details are included.
Wet Soil Conditions and Nitrogen Loss
Continued wet soils in some parts of Iowa are raising nitrogen loss questions that are answered with an understanding of biological processes important to potential N loss.