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Issue No. 9/June 4, 2010

Corn Rootworm Larval Hatch Underway in Champaign County
Corn rootworm larvae were found in plots north of Urbana on June 3. Adult emergence could be under way in two weeks, particularly with warm weather.

Few Confirmations of Corn Rootworm Larval Hatch and Inactive Action Sites: A Quiet Spring Thus Far
Though corn rootworm larval hatch should be well under way across most of Illinois, very few observations of larvae have been reported. European corn borer moths are also scarce.

What Am I Lacking in My Soil Fertility Program?
Remember that environmental conditions affect nutrient availability. As conditions improve, symptoms being observed that suggest nutrient deficiency will largely disappear without additional crop fertilization.

Corn Crop Surges Ahead with Few Problems
The weather has been very accommodating so far in 2010 for corn, and many fields that were planted early look outstanding right now.

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