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Issue No. 19/August 3, 2007

Illinois Forage Expo: September 6, 2007
Educational sessions, field demonstrations, commercial displays, and a quality hay contest are planned for an all-day forage expo in Shelby County on Thursday, September 6.

Western Corn Rootworm Adult Densities Lower in 2007 Than in Recent Years
Where have all the western corn rootworms gone this season? Data appear to support observations of reduced numbers, but the reasons are uncertain.

Soybean Aphids Attract Attention in Several Areas of Illinois
Economic infestations of soybean aphids have erupted in several areas of Illinois over the past week and a half.

Weed Control in Wheat Stubble Fields
When no second crop is planted after wheat harvest, farmers must take care not to allow summer annual weeds to reach maturity and produce seed.

Staging Corn Kernel Development
There is some concern that the Illinois corn crop is reaching kernel stages earlier than expected. Factors that affect the filling of corn kernels are discussed.

Regional Reports
Reports are provided this issue for southern and west-central Illinois.