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Regional Reports

August 9, 2002
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

Once again scattered thunderstorms moved through the area Sunday night, with some areas receiving 0.5 to 1 inch of precipitation. However, many areas received no rainfall.

The soybean insect report is unchanged, with bean leaf beetles and spider mites present but with minimal acreage treated. However, the first report of a soybean aphid population warranting insecticide treatment has been received. The field is located in northern Bureau County.

Corn on lighter soils throughout the region has begun to show the effects of limited rainfall over the past 2 months. However, the majority of the corn acres have held up fairly well considering the lack of precipitation.

West-Central Illinois

A cold front moved through the region on Monday evening, bringing showers and much cooler temperatures. Crop condition has improved dramatically from past weeks, but reports of poor pollination and kernel abortion in corn have been coming in as producers survey their fields, supporting the contention that yield potential has been reduced this year. Heavy flights of European corn borer moths are being reported in later-planted corn. Soybeans appear to be making good progress and are full of blooms and/or pods despite reduced heights.

The third cutting of alfalfa will begin within the next few weeks, but not before leafhoppers raise concern. Pasture condition has improved dramatically, temporarily alleviating concerns of a shortage of late-season forage.

The Orr Center will hold its annual agronomy field day on August 13. The tour will begin at 9:00 a.m. and conclude at noon with lunch. Topics of interest will include western Illinois weed and insect updates, nitrogen management in no-till corn, corn and soybean rotation alternatives, climatic issues, and effects of progressive corn defoliation on yield. The Orr Center is located on Highway 104, north of Perry, Illinois.



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

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