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Regional Reports

July 24, 2003

Extension center educators, unit educators, and unit assistants in northern, west-central, east-central, and southern Illinois prepare regional reports to provide more localized insight into pest situations and crop conditions in Illinois. The reports will keep you up to date on situations in field and forage crops as they develop throughout the season. The regions have been defined broadly to include the agricultural statistics districts as designated by the Illinois Agricultural Statistics Service, with slight modifications:

  • North (Northwest and Northeast districts, plus Stark and Marshall counties)
  • West-central (West and West Southwest districts, and Peoria, Woodford, Tazewell, Mason, Menard, and Logan counties from the Central district)
  • East-central (East and East Southeast districts [except Marion, Clay, Richland, and Lawrence counties], McLean, DeWitt, and Macon counties from the Central district)
  • South (Southwest and Southeast districts, and Marion, Clay, Richland, and Lawrence counties from the East Southeast district)

We hope these reports will provide additional benefits for staying current as the season progresses.

Northern Illinois

Much of the corn crop throughout the region is fully tasseled, and overall the corn crop looks very good. However, there is concern over rootworm beetles and Japanese beetles potentially clipping silks, and producers are encouraged to monitor fields. We have received one report of a field edge treated for Japanese beetles because of silk clipping. Numerous reports of hail injury and wind damage over the past three weeks have been received. As mentioned in last week's report, it has been confirmed that rootworm larvae injury has occurred on corn roots in first-year corn treated with a granular insecticide at planting.

Lyle Paul, area agronomist at the Research Center in Dekalb County, reports soybean aphids in Dekalb and Kane counties, with a few fields treated with an insecticide. Gary Bretthauer, Kendall County Extension, reports that producers are concerned about increasing soybean aphid populations, as well, but has not reported any treated fields. Lyle also reports that 100-bushel-plus wheat yields are common in Dekalb County, with the Research Center wheat variety trials averaging 127 bushels per acre.

Author:


The Pest Management and Crop Development Bulletin
Executive Editor: Kevin Steffey, Extension Entomologist

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