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Issue No. 6/May 2, 2008

Working Group of Field Crop Extension Entomologists in the North-Central States
Funding for a new working group of entomologists will spur activities to benefit IPM programs throughout the north-central region.

Insect Updates During the Holding Pattern
Commentary is provided on alfalfa weevils in alfalfa; on black cutworm, white grubs, and wireworms in corn; and on armyworm adults and cereal aphids in wheat.

Hero Insecticide Labeled for Use on Soybeans
The label for Hero insecticide has been expanded to include use on soybeans for a lengthy list of pests.

Weed Control in Corn and Wet Field Conditions
Considerations are detailed for the four scenarios possible if corn has been planted (or not) and if herbicide has been applied (or not).

Plant Clinic Services Available
The University of Illinois Plant Clinic provides, for a fee, unbiased diagnoses of plant problems and access to opinions of specialists in multiple disciplines.

Caramba Fungicide Registered on Wheat
Caramba fungicide, newly registered for use on wheat, has been found very effective in reducing Fusarium head blight (scab) severity.

Soybean Rust Update and Monitoring Efforts
Check the soybean rust ipmPIPE Web site (www.sbrusa.net) regularly, especially when the soybean crop is approaching reproductive stages.

Sidedressing Nitrogen for Corn
However important nitrogen is to optimizing yield, at this point, when soils become dry enough to enter the field, the priority should be planting.

Regional Reports
Reports are provided this issue for east-central, northern, southern, and west-central Illinois.