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Issue No. 18, Article 5/July 23, 2004

Regional Reports

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.

West-Central Illinois

Corn has continued to excel with abundant moisture and warm temperatures. For the most part, it has completed pollination with few problems. Some scattered applications of fungicides for gray leaf spot were made. Rainfall, although not yet critical, would certainly be welcome for most areas to continue to push the crop to higher yields.

A few reports of Japanese beetle adult silk clipping were made, but corn had already pollinated prior to their feeding.

Confirmation of western corn rootworm attacking first-year corn was made as far west as the Fulton/McDonough county line. Producers were not prepared for the pest. Some producers will begin monitoring soybean fields with yellow sticky traps for western corn rootworm beetles.

The first sighting of sudden death syndrome was reported on soybean in Schuyler County. Since then reports from other counties have surfaced as well. These fields were all planted in April.

Alfalfa leafhoppers are present in many fields. Producers should be prepared to scout and treat as necessary.

Double-cropped soybean behind wheat was more common this year as a result of early wheat harvest (although some producers didn't finish wheat harvest until almost 3 weeks after beginning because of rain). Growth of this soybean has been excellent due to rains after harvest and warm weather. More advanced fields are at V3.

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