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Regional Reports

July 21, 2000

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

Second and third hay cuttings are being made as weather permits.

Drier, cooler weather has slowed the development of fungal diseases in both corn and soybeans. Some fields have been sprayed, and hopefully the spray was justified.

Limited cases of ergot have been observed in grasses and small grains.

Insect activity continues at an extremely low ebb except for leaf-hoppers. In fields swept late last week in Stephenson County, leafhopper numbers had doubled from numbers observed in the same fields just 3 days before. Weather has now turned much cooler, so we should not see numbers build as rapidly. You need to continue to monitor for this pest, especially in the recently cut fields.

Observations of Phytophthora in soybeans continue to increase, as well as observations of yellow stunted areas of corn and soybeans in wet areas of fields.

Wildlife (groundhogs) have wiped out several rows of beans along bluffs and areas where dens are located.

Wheat variety trials harvested in Ogle County last week had average yields in the 50- to 60-bushel range.

Thistles are blooming or have bloomed; and, where they are not controlled or mowed, seeds are spreading by wind and other methods of movement.

West-Central Illinois

More rain fell in parts of the region, with reports of 4 inches or more in some areas. Crop prospects look excellent.

Some Japanese beetles have been sighted, but no major problems have been reported.

Septoria brown spot and bacterial pustule have been identified in some soybean fields. SDS has not yet been reported but is anticipated due to the recent cool, wet weather. SCN damage has not yet been identified in the region.

Bird damage on double-crop soybeans following wheat has been reported.

Yellow soybeans, other than those in poorly drained areas, have also been noted.



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

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